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WEEKLY MINERAL & GEM AUCTIONS !

Welcome to our mineral auction website. Thousands of mineral specimens sold - including fluorite, rhodochrosite and many other rocks and minerals. Please read the bidding rules and regulations before bidding. Enjoy!

If you're new to the site, you can register here.


Over 60,000 fine minerals, crystals and gemstones sold since 2002!
New mineral auctions are posted each week.


Welcome to the largest and most diverse single-source site for fine minerals and mineral specimens at auction. This is an inventory LIQUIDATION venue adjunct to our gallery site

The Arkenstone, www.iRocks.com

If you're looking for a specific mineral, locality, or price point, visit www.iRocks.com and browse our extensive selection of fine minerals, crystals, and gemstones for sale.

 

 

Current Auctions

MINERAL COLLECTION LIQUIDATION AUCTION (set 1 of 2) - ends Thursday April 18, 2019

Specimens Available: 46

ends Thursday April 18, 2019
at 6:30 PM (Central Time Zone)

Featuring new specimens culled from the purchase of the Kay Robertson, David Burgess, and Bill Logan (RHODOCHROSITE) collections! We have pieces set aside specifically for the auctions that didn't make it to the Tucson shows, along with new finds and old collections we've purchased. Look for a great mix of old classics and specimens you'd expect to see at retail prices at shows! STAY TUNED : NEW TSUMEB COLLECTION ACQUIRED! Tsumeb minerals are harder to come by now, and we got lucky - a large number will be presented to the auctions, coming soon!


Some of the highlights from this week’s include:


1. TOPAZ from the Xanda Mine
2. Rare and excellent RHODOCHROSITES from the Logan Collection
3. Excellent and uncommon style FLUORITE from Okorusu
4. Showy FLUORITE, CALCITE & QUARTZ from the Yaogangxian Mine
5. Fine Tsumeb and Namibia specimens from the Shields Flynn Collection
.

SPECIAL MINERAL AUCTION - $499 RESERVE LIQUIDATION SPECIMENS - ends April 18, 2019

Specimens Available: 21

Ends Thursday, April 18, 2019
at 6:45 PM (Central Time Zone)

Continuing with our special themed auctions we've put together a selection of higher-end specimens all starting with $499 reserve bids. EVERY piece in this auction is valued at a MINIMUM of $1,500 in the inventory (some are valued as high as $2,500!). There are plenty of classic and contemporary, colorful, fine quality, attractive display pieces from around the world to be seen.

PLEASE NOTE: Due to the larger size and weight of some of the pieces in this auction, there may be additional shipping charges. Please keep this in mind when bidding. If you have any questions, please ask before placing your bids. Thank you!


Closed Auctions

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - end Thursday April 11th, 2019

Ends Thursday, April 11th, 2019
at 6:45 PM (Central Time Zone)


We have a great selection of material that we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics and display specimens. Look for new goodies from recent shows / discoveries along with new collection acquisitions to appear in the coming weeks. You'll even find a few fossils, carvings / lapidary items and gemstones mixed in every now and then. We'll still have selections from various collections we've obtained including the newly acquired collection of David Burgess along with pieces from Rolando Gioia, Geary Murdock and plenty of pieces from Kay Robertson along with various dealers' inventories. Look here for the not so typical mineral specimens along with plenty of your favorites. We don't just offer the "standard 20 species", but an eclectic mix of specimens that appeal to everybody! Enjoy!

Some of the highlights from this week’s auction include:

1. A very attractive piece of the new Indonesian "GRAPE CHALCEDONY" / "GRAPE AGATE" specimens
2. Rarely seen fluorescent pink CHALCEDONY from the childhood home of Sandra Day O'Connor
3. Wonderful, gemmy, RICHLY colored BLUE OPAL specimen from Peru
4. GEM quality pink FLUORITE crystals from Pakistan
5. Beautiful, gemmy, multicolor banded FLUORITE from New Mexico
6. Unusual MOGANITE / CHALCEDONY pseudomorph after a FOSSILIZED SNAIL SHELL from the Sahara Desert
7. Rarities include FERROKESTERITE, KLEINITE, FRESNOITE with STRONTIOJOAQUINITE and ELPIDITE,
8. Page 2 features assorted worldwide minerals (focusing on European and North American localities) from the Kay Robertson Collection

MINERAL COLLECTION LIQUIDATION AUCTION
featuring Rhodochrosite and CABINET items (set 1 of 2) - ends Thursday April 11, 2019

ends Thursday April 11, 2019
at 6:30 PM (Central Time Zone)

Featuring new specimens culled from the purchase of the Kay Robertson, David Burgess, and Bill Logan (Rhodochrosite) collections! We have pieces set aside specifically for the auctions that didn't make it to the Tucson shows, along with new finds and old collections we've purchased. Look for a great mix of old classics and specimens you'd expect to see at retail prices at shows! STAY TUNED : NEW TSUMEB COLLECTION ACQUIRED! Tsumeb minerals are harder to come by now, and we got lucky - a large number will be presented to the auctions, coming soon!

1. Old large Chessy AZURITE
2. Rare TOPAZ and SCHORL from Nambia
3. Selection of large specimens
4. Large Erongo SCHORL
5. Superb RHODOCHROSITES !
6. TSUMEB AND ERONGO specimens from the Shields Flynn Collection

SPECIAL MINERAL AUCTION - MINIATURES AND THUMBNAILS FROM THE COLLECTION of IRV BROWN - ends April 9, 2019

Ends Tuesday, April 9th, 2019
at 7:00 PM (Central Time Zone)

Continuing with our special themed auctions we are thrilled for our next installment featuring miniature and thumbnail specimens from the worldwide collection of Irv Brown.

Irv has assembled one of the great collections in the United States, which typically has featured cabinet sized display specimens, but over the years he assembled an attractive suite of thumbnails and miniatures. We recently acquired several flats of these specimens and are thrilled to offer them in installments in the auctions over the next few months.

Lastly, this auction closes on a TUESDAY night, not our normal Thursday schedule, and we'll send out a reminder / announcement before it closes to you don't miss out.

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends April 4th, 2019

Ends Thursday, April 4th, 2019 at 7:00 PM (Central Time Zone)

ATTENTION! We are pleased to announce that we have purchased a notable collection / supply from a retiring gem dealer of beautiful mixed stones, cabochons and jewelry which we will be offering at liquidation prices!!

Keep watching every week for a great mix and new variety of good quality gemstones to appear over the following months. Reserve prices will typically be $100 and $50 on the better material every other week, with $25 and $10 reserves on alternating weeks.
Questions about Gems?: CONTACT Gem admin Brian Kosnar: click here

MINERAL COLLECTION LIQUIDATION AUCTION (set 1 of 2) - ends Thursday April 4, 2019

ends Thursday April 4, 2019
at 6:30 PM (Central Time Zone)

Featuring new specimens culled from the purchase of the Kay Robertson, David Burgess, and Bill Logan (Rhodochrosite) collections! We have pieces set aside specifically for the auctions that didn't make it to the Tucson shows, along with new finds and old collections we've purchased. Look for a great mix of old classics and specimens you'd expect to see at retail prices at shows! STAY TUNED : NEW TSUMEB COLLECTION ACQUIRED! Tsumeb minerals are harder to come by now, and we got lucky - a large number will be presented to the auctions, coming soon!


Some of the highlights from this week’s include:

1. RARE RHODOCHROSITE from the Pederneira Mine
2. Superb large and rare Alpine PERICLINE & CALCITE from the Eric Asselborn Collection
3. WODGINITE from a New Find
4. Selection of large specimens
5. Rare and unusual CALCITES from the Kay Robertson Collection
6. Dr. Stephen Moreton ENGLISH specimens
7. Large HEMIMORPHITE from the M'fouati Mine
8. NAMIBIA specimens from the Shields Flynn Collection

SPECIAL MINERAL AUCTION - $499 RESERVE LIQUIDATION SPECIMENS - ends April 4, 2019

Ends Thursday, April 4, 2019
at 6:45 PM (Central Time Zone)

Continuing with our special themed auctions we've put together a selection of higher-end specimens all starting with $499 reserve bids. EVERY piece in this auction is valued at a MINIMUM of $1,500 in the inventory (some are valued as high as $2,400!). There are plenty of classic and contemporary, colorful, fine quality, attractive display pieces from around the world to be seen.

PLEASE NOTE: Due to the larger size and weight of some of the pieces in this auction, there may be additional shipping charges. Please keep this in mind when bidding. If you have any questions, please ask before placing your bids. Thank you!

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - end Thursday March 28th, 2019

Ends Thursday, March 28th, 2019
at 6:45 PM (Central Time Zone)


We have a great selection of material that we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics and display specimens. Look for new goodies from recent shows / discoveries along with new collection acquisitions to appear in the coming weeks. You'll even find a few fossils, carvings / lapidary items and gemstones mixed in every now and then. We'll still have selections from various collections we've obtained including the newly acquired collection of David Burgess along with pieces from Dr. William Logan, Richard Kosnar, Geary Murdock and plenty of pieces from Kay Robertson along with various dealers' inventories. Look here for the not so typical mineral specimens along with plenty of your favorites. We don't just offer the "standard 20 species", but an eclectic mix of specimens that appeal to everybody! Enjoy!

Some of the highlights from this week’s auction include:

1. A wonderful gemmy, natural bi-colored crystal AMETRINE with RARE "c" pinacoid faces from Bolivia
2. Rarely seen MULTI-COLOR FIRE OPAL in matrix from Red Rock Canyon, California
3. An attractive branching GOLD specimen from the Eagle's Nest Mine in California
4. Newly discovered BRIGHT PINK colored THULITE (Zoisite) from Norway
5. A beautiful specimen of AMBER from the Dominican Republic featuring MULTIPLE INSECT INCLUSIONS!
6. Excellent, highly fluorescent gemmy spherical "HYALITE" OPAL (Opal-AN) from Mexico
7. Rarities include ZALESIITE, SAPPHIRINE, ROBINSONITE and SILVER (var: AMALGUM)
8. Page 2 features assorted worldwide minerals (focusing on European and North American localities) from the Kay Robertson Collection

MINERAL COLLECTION LIQUIDATION AUCTION - ends Thursday March 28, 2019

ends Thursday March 28, 2019
at 6:30 PM (Central Time Zone)

Featuring new specimens culled from the purchase of the Kay Robertson, David Burgess, and Bill Logan (Rhodochrosite) collections! We have pieces set aside specifically for the auctions that didn't make it to the Tucson shows, along with new finds and old collections we've purchased. Look for a great mix of old classics and specimens you'd expect to see at retail prices at shows! STAY TUNED : NEW TSUMEB COLLECTION ACQUIRED! Tsumeb minerals are harder to come by now, and we got lucky - a large number will be presented to the auctions, coming soon!


Some of the highlights from this week’s include:

1. Superb large AQUAMARINE plate from the Erongos
2. rare and unusual CALCITES from the Kay Robertson Collection
3. Rich LONDONITE-RHODIZITE from the Type Locality
4. Large AMETHYST from Bolivia
5. Matrix WELOGANITE
6. RHODOCHROSITE from the W.S. Logan Collection
7 Superb large CALCITE from the Meshberger Quarry

SPECIAL HIGHER RESERVE GEMSTONE and JEWELRY AUCTION - Ends March 21st, 2019

Ends Thursday, March 21st, 2019 at 7:00 PM (Central Time)
A few times a year we put together a great assortment of some of our better collector gems, custom and hand-made jewelry for higher reserve bids. All items in this auction have starting bids between $100 - $200. All items are at least 50% off their retail price and in some cases over 80% off.
Questions about Gems?: CONTACT Gem admin Brian Kosnar: click here

SPECIAL MINERAL AUCTION - $249 RESERVE LIQUIDATION SPECIMENS - ends Thursday, March 21, 2019

Ends Thursday, March 21, 2019
at 6:45 PM (Central Time Zone)

As promised, we are continuing with our special themed auctions into the spring, and we've put together a selection of higher-end specimens all starting with $249 reserve bids. Every piece in this auction is valued at least at $750 in the inventory (some are valued at $1,500+), so everything piece is minimum 65% off retail and nearly 85% off in some cases! We've put together a great selection of new / contemporary, classic, fine quality, attractive display pieces from around the world, so be sure to check them out and pick up some good pieces for bargain prices.

PLEASE NOTE: There are some larger sized specimens in this auction, and due to the weight and dimensions of SOME of these pieces, there will be ADDITIONAL SHIPPING CHARGES in certain cases. Please keep this in mind when bidding. If you have any questions, please ask before placing your bids. Thank you!

MINERAL COLLECTION LIQUIDATION AUCTION - ends Thursday March 21, 2019

ends Thursday March 21, 2019
at 6:30 PM (Central Time Zone)

Featuring new specimens culled from the purchase of the Robertson, Burgess, and Logan (Rhodochrosite) collections! We have pieces set aside specifically for the auctions that didn't make it to the Tucson shows, along with new finds and old collections we've purchased. Look for a great mix of old classics and specimens you'd expect to see at retail prices at shows!


Some of the highlights from this week’s include:

1. Rare large HACKMANITE slab and rich old CROCOITE, VAUQUELINITE & PYROMORPHITE from Russia
2. LUDWIGITE from California and large WILLEMITE xl from the Sterling Mine
3. Excellent large VANADINITE plate
4. Classic large color-zoned FLUORITE from Illinois
5. Rare Colorado CALCITE and a large QUARTZ & RHODOCHROSITE from the Sunnyside Mine
6. Large AZURITE & MALACHITE plate from Milpillas
7. RHODOCHROSITES from the Logan Collection

POST-TUCSON MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday March 14th, 2019

Ends Thursday, March 14th, 2019
at 6:45 PM (Central Time Zone)


We have a great selection of material that we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics and display specimens. Look for new goodies from recent shows / discoveries along with new collection acquisitions to appear in the coming weeks. You'll even find a few fossils, carvings / lapidary items and gemstones mixed in every now and then. We'll still have selections from various collections we've obtained including the newly acquired collection of David Burgess along with Brian Lloyd, Rolando Gioia, Charlie Key, Dr. Stephen Smale, Geary Murdock and plenty of pieces from Kay Robertson along with various dealers' inventories. Look here for the not so typical mineral specimens along with plenty of your favorites. We don't just offer the "standard 20 species", but an eclectic mix of specimens that appeal to everybody! Enjoy!

Some of the highlights from this week’s auction include:

1. A lovely polished slice of natural bi-colored AMETRINE from Bolivia
2. Classic gemmy "phantom" FLUORITE on matrix from China (ex Dr. Stephen Smale Collection)
3. A VERY AESTHETIC old time ILVAITE on HEDENBERGITE from Elba, Italy
4. Attractive green DEMANTOID GARNET from Afghanistan
5. Wonderful "floater" group of GEM twinned GYPSUM crystals on GYPSUM from Canada
6. GEMMY pink FLUORITE with MUSCOVITE from Pakistan
7. Rarities include SAMPLEITE, VAUXITE on PARAVAUXITE, GRANDIDIERITE and PHOSPHOPHYLLITE

MINERAL COLLECTION LIQUIDATION AUCTION (part 1) - ends Thursday March 14, 2019

ends Thursday March 14, 2019
at 6:30 PM (Central Time Zone)

Featuring new specimens culled from the purchase of the Robertson, Burgess, and Logan (Rhodochrosite) collections! We have pieces set aside specifically for the auctions that didn't make it to the Tucson shows, along with new finds and old collections we've purchased. Look for a great mix of old classics and specimens you'd expect to see at retail prices at shows!


Some of the highlights from this week’s include:

1. Superb RHODOCHROSITE from the 1970s finds at the N'Chwaning I Mine.
2. RHODOCHROSITES from the W.S. Logan Collection
3. Rare North Carolina LIMONITE after SIDERITE w/ RUTILE 4. Gem KUNZITE from a NEW FIND
5. Large SAPPHIRE from Madagascar
6. Old rare BORNITE after CHALCOCITE from Cornwall and a large SILVER

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends March 7th, 2019

Ends Thursday, March 7th, 2019 at 7:00 PM (Central Time Zone)

ATTENTION! We are pleased to announce that we have purchased a notable collection / supply from a retiring gem dealer of beautiful mixed stones, cabochons and jewelry which we will be offering at liquidation prices!!

Keep watching every week for a great mix and new variety of good quality gemstones to appear over the following months. Reserve prices will typically be $100 and $50 on the better material every other week, with $25 and $10 reserves on alternating weeks.
Questions about Gems?: CONTACT Gem admin Brian Kosnar: click here

SPECIAL MINERAL AUCTION - $999 RESERVE LIQUIDATION SPECIMENS - ends THURSDAY, March 7, 2019

Ends Thursday, March 7, 2018
at 6:45 PM (Central Time Zone)

Continuing with our special themed auctions we've put together a selection of higher-end specimens all starting with $999 reserve bids. EVERY piece in this auction is valued at $2,000 MININUM in the inventory (some are valued at $4,000-$5,000+). There is a great mix of classic and contemporary minerals in this set with a focus on secondary ore minerals, pegmatite species, native elements and several beautiful Fluorites. .

PLEASE NOTE: Due to the LARGER SIZE AND WEIGHT of some of the pieces in this auction, there will be ADDITIONAL SHIPPING CHARGES. Please keep this in mind when bidding. If you have any questions, please ask before placing your bids. Thank you!

POST-TUCSON SPECIAL MINERAL COLLECTION LIQUIDATION AUCTION - ends Thursday March 7, 2019

ends Thursday March 7, 2019
at 6:30 PM (Central Time Zone)

THIS AUCTION INCLUDES MANY OF OUR FAMOUS $1000-CASE LIQUIDATION PIECES from the Tucson Main Show. We're back from Tucson with a great selection of specimens. We have pieces set aside specifically for the auctions that didn't make it to the shows, along with new finds and old collections we've purchased. You'll find gem crystals, rare species, old classics, and many good specimens that are hard to find at any price, let alone at auction! Plus, we included a number of holdbacks from other old mineral collections we have liquidated, for a great variety of specimens including pieces worth $1000+, starting at only $10.


Some of the highlights from this week’s include:

1. Rare PSEUDOMORPHS from the Ken Roberts Collection.
2. Superb POWELLITE on STILBITE from India
3. Rare STAK NALA species
4. Striking SMOKY QUARTZ/AMETHYST
5. RHODOCHROSITES from the W.S. Logan Collection
6. KAOLINITE pseudo after AGATE (we'd never seen!)
7. Classic Tsumeb cyclic-twinned CERUSSITE

$10 RESERVE GEMSTONE AUCTION - Ends February 28th, 2019

Ends February 28th, 2019 at 7:00 PM (Central Time)

Here we have one of our popular combined auction of mixed gems of varying reserve prices
($10 reserves this week)
Unique and attractive items as always - check them out !!
Questions about Gems?: CONTACT Gem admin Brian Kosnar: click here

POST-TUCSON MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday February 28th, 2019

Ends Thursday, February 28th, 2019
at 6:45 PM (Central Time Zone)


We have a great selection of material that we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics and display specimens. Look for new goodies from recent shows / discoveries along with new collection acquisitions to appear in the coming weeks. You'll even find a few fossils, carvings / lapidary items and gemstones mixed in every now and then. We'll still have selections from various collections we've obtained including the newly acquired collection of David Burgess along with Brian Lloyd, Rolando Gioia, Charlie Key, Dr. Stephen Smale, Geary Murdock and plenty of pieces from Kay Robertson along with various dealers' inventories. Look here for the not so typical mineral specimens along with plenty of your favorites. We don't just offer the "standard 20 species", but an eclectic mix of specimens that appeal to everybody! Enjoy!

Some of the highlights from this week’s auction include:

1. Beautiful gemmy etched pink MORGANITE crystal from Brazil
2. A rarely seen HEMATITE on GALENA specimen from Tsumeb!
3. Classic old VANADINITE from Mibladen, Morocco from the original lot from 1972
4. Hard to find AQUAMARINE crystals from Pelton's Quarry, Connecticut (ex David Burgess Collection)
5. Electric blue GEMMY AZURITE from Touissit, Morocco
6. Beautiful, rare gemmy purple COQUIMBITE from Utah
7. Rarities include SCAINIITE, SPANGOLITE, ZEOPHYLLITE, LITHIOPHORITE and TRIDYMITE (triclinic polymorph of Quartz)
8. Page 2 features assorted worldwide minerals (focusing on European and North American localities) from the Kay Robertson Collection

POST-TUCSON SPECIAL MINERAL COLLECTION LIQUIDATION AUCTION - ends Thursday Feb 28, 2019

ends Thursday Feb 28, 2019
at 6:30 PM (Central Time Zone)

We're back from Tucson with a great selection of specimens. We have pieces set aside specifically for the auctions that didn't make it to the shows, along with new finds and old collections we've purchased. You'll find gem crystals, rare species, old classics, and many good specimens that are hard to find at any price, let alone at auction! Plus, we included a number of holdbacks from other old mineral collections we have liquidated, for a great variety of specimens including pieces worth $1000+, starting at only $10.


Some of the highlights from this week’s include:

1. Large and rich ADAMITE plate
2. Superb Huanggang FLUORITE, ARSENOPYRITE & QUARTZ
3. Framed prints by EBERHARD EQUIT
4. Tsumeb COBALTOAN SMITHSONITE w/ large xls
5. Large English FLUORITE and rare old CALCITE HELECTITE
6. JEREMEJEVITE from the Charlie Key Collection
7. Rare old BYSSOLITIC CALCITE from French Creek
8. Classics and rarities from the Kay Robertson & David Burgess Collections
9. Large rare DIOPTASE on CALCITE from the Kaokoveld
10. Rare large PHOSPHATE plate from Brazil

SPECIAL $50 RESERVE GEMSTONE AUCTION - Ends February 21st, 2019

Ends Thursday, February 21st, 2019 at 7:00 PM (Central Time Zone)

ATTENTION! We are pleased to announce that we have purchased a notable collection / supply from a retiring gem dealer of beautiful mixed stones, cabochons and jewelry which we will be offering at liquidation prices!!

Keep watching every week for a great mix and new variety of good quality gemstones to appear over the following months. Reserve prices will typically be $100 and $50 on the better material every other week, with $25 and $10 reserves on alternating weeks.
Questions about Gems?: CONTACT Gem admin Brian Kosnar: click here

TUCSON SHOW FINE MINERAL LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday February 21st, 2019

Ends Thursday, February 21st, 2019
at 6:45 PM (Central Time Zone)


It's the final week of the Tucson Show, and we have a great selection of material that we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics and display specimens. Look for new goodies from recent shows / discoveries along with new collection acquisitions to appear in the coming weeks. You'll even find a few fossils, carvings / lapidary items and gemstones mixed in every now and then. We'll still have selections from various collections we've obtained including the newly acquired collection of David Burgess along with Brian Lloyd, Rolando Gioia, Charlie Key, Dr. Stephen Smale, Geary Murdock and plenty of pieces from Kay Robertson along with various dealers' inventories. Look here for the not so typical mineral specimens along with plenty of your favorites. We don't just offer the "standard 20 species", but an eclectic mix of specimens that appeal to everybody! Enjoy!

Some of the highlights from this week’s auction include:

1. Classic emerald green DIOPTASE from Tsumeb
2. Beautifully crystallized GOLD specimen from the Piolho claim in Brazil
3. Rare "Star of David" twinned SPINEL crystal from Myanmar
4. Fine cabinet sized BORNITE with QUARTZ and PYRITE from Butte, Montana
5. Attractive doubly-terminated "floater" group of TOURMALINE from Brazil (ex Rolando Gioia Collection)
6. Old classic LANGITE specimen from Slovakia
7. Cool GEMMY green TALC from Vermont
8. Page 2 features assorted worldwide minerals (focusing on European and North American localities) from the Kay Robertson Collection

SPECIAL MINERAL AUCTION - $499 RESERVE LIQUIDATION SPECIMENS - ends TUESDAY, February 19, 2019

Ends Thursday, February 19, 2019
at 6:45 PM (Central Time Zone)

Continuing with our special themed auctions we've put together a selection of higher-end specimens all starting with $499 reserve bids. NEARLY every piece in this auction is valued at $1,500 MININUM in the inventory (several are valued at $2,000-$3,000+). There are plenty of classic and contemporary, fine quality, attractive display pieces from around the world.

PLEASE NOTE: Due to the larger size and weight of some of the pieces in this auction, there will be additional shipping charges. Please keep this in mind when bidding. If you have any questions, please ask before placing your bids. Thank you!

$10 RESERVE GEMSTONE AUCTION - Ends February 14th, 2019

Ends February 14th, 2019 at 7:00 PM (Central Time)

Here we have one of our popular combined auction of mixed gems of varying reserve prices
($10 this week)
Unique and attractive items as always - check them out !!
Questions about Gems?: CONTACT Gem admin Brian Kosnar: click here

TUCSON SHOW FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday February 14th, 2019

Ends Thursday, February 14th, 2019
at 6:45 PM (Central Time Zone)


We're in Tucson, and the auctions will keep rolling. We have a great selection of rarities, unusual pieces, gem crystals, classics and display specimens. Look for new goodies from recent shows / discoveries along with new collection acquisitions to appear in the coming weeks. You'll even find a few fossils, carvings / lapidary items and gemstones mixed in every now and then. We'll still have selections from various collections we've obtained including the newly acquired collection of David Burgess along with Brian Lloyd, Rolando Gioia, Charlie Key, Dr. Stephen Smale, Geary Murdock and plenty of pieces from Kay Robertson along with various dealers' inventories. Look here for the not so typical mineral specimens along with plenty of your favorites. We don't just offer the "standard 20 species", but an eclectic mix of specimens that appeal to everybody! Enjoy!

Some of the highlights from this week’s auction include:

1. RARE "Trapiche" habit RUBY crystal from Myanmar
2. Newly mined unusual "windswept" CHALCEDONY from Greece (very similar to Cornwall)
3. Fantastic GLOWING yellow STURMANITE on matrix from South Africa (ex David Burgess Collection)
4. HIGHLY AESTHETIC FLUORITE with HUBNERITE on QUARTZ from the Sweet Home Mine
5. Wonderful GEMMY green FLUORITE specimen from China (ex Dr. Stephen Smale Collection)
6. A cool SPESSARTINE GARNET on matrix from China with an eye-catching DOUBLY-TERMINATED SMOKY QUARTZ
7. Rarities include POLYDYMITE, LAZURITE pseudomorph after PHLOGOPITE and KERMESITE
8. Page 2 features assorted worldwide minerals (focusing on European and North American localities) from the Kay Robertson Collection

SPECIAL $100 RESERVE GEMSTONE AUCTION - Ends February 7th, 2019

Ends Thursday, February 7th, 2019 at 7:00 PM (Central Time Zone)

ATTENTION! We are pleased to announce that we have purchased a notable collection / supply from a retiring gem dealer of beautiful mixed stones, cabochons and jewelry which we will be offering at liquidation prices!!

Keep watching every week for a great mix and new variety of good quality gemstones to appear over the following months. Reserve prices will typically be $100 and $50 on the better material every other week, with $25 and $10 reserves on alternating weeks.
Questions about Gems?: CONTACT Gem admin Brian Kosnar: click here

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday February 7th, 2019

Ends Thursday, February 7th, 2019
at 6:45 PM (Central Time Zone)


We have a great selection of material that we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics and display specimens. Look for new goodies from recent shows / discoveries along with new collection acquisitions to appear in the coming weeks. You'll even find a few fossils, carvings / lapidary items and gemstones mixed in every now and then. We'll still have selections from various collections we've obtained including the newly acquired collection of David Burgess along with Brian Lloyd, Rolando Gioia, Charlie Key, Dr. Stephen Smale, Geary Murdock and plenty of pieces from Kay Robertson along with various dealers' inventories. Look here for the not so typical mineral specimens along with plenty of your favorites. We don't just offer the "standard 20 species", but an eclectic mix of specimens that appeal to everybody! Enjoy!

Some of the highlights from this week’s auction include:

1. Classic, old APATITE specimen from the Swiss Alps
2. Fine quality AZURITE with MALACHITE from the Milpillas Mine, Mexico
3. Wonderful, rare, electric blue CALEDONITE from the Reward Mine, California
4. Glowing electric red REALGAR on CALCITE from China
5. Beautiful, classic reticulated CERUSSITE specimen from Tsumeb
6. Gorgeous golden AMBER from Dominican Republic with MULTIPLE INSECT INCLUSIONS
7. Rarities include species like KINOITE and DANALITE
8. Page 2 features assorted worldwide minerals (focusing on European and North American localities) from the Kay Robertson Collection

PRE-TUCSON SPECIAL MINERAL COLLECTION LIQUIDATION AUCTION:
featuring OLD CLASSICS - ends Thursday Feb 7, 2019

ends Thursday Feb 7, 2019
at 6:30 PM (Central Time Zone)

This auction features a large group of minerals spanning over 100 years of history, mostly pulled from the collections of lifelong mineral collectors Kay Robertson and David Burgess. These are pieces nobody has seen for sale yet, offered to auction for the first time! Look for superb old classics ! Lots of rare mineral specimens here that are hard to find at ANY price, let alone at auction!


Some of the highlights from this week’s include:

1. Rare crystallized GOLDS, including an Arizona piece
2. RHODOCHROSITES from the W.S. Logan Collection
3. Large Elmwood CALCITE & an old classic CALCITE from Scotland
4. Stunning rare KAOLINITE replacing AGATE geode
5. Rare and unusual DIAMONDS from the Burgess Collection
6. Large Swiss FADEN QUARTZ from the Eric Asselborn Collection
7. FLUORESCENTS

$25 and $10 RESERVE GEMSTONE AUCTION - Ends January 31st, 2019

Ends January 31st, 2019 at 7:00 PM (Central Time)

Here we have one of our popular combined auction of mixed gems of varying reserve prices
($25 and $10 respectively this week)
Unique and attractive items as always - check them out !!
Questions about Gems?: CONTACT Gem admin Brian Kosnar: click here

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday January 31st, 2019

Ends Thursday, January 31st, 2019
at 6:45 PM (Central Time Zone)


We have a great selection of material that we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics and display specimens. Look for new goodies from recent shows / discoveries along with new collection acquisitions to appear in the coming weeks. You'll even find a few fossils, carvings / lapidary items and gemstones mixed in every now and then. We'll still have selections from various collections we've obtained including the newly acquired collection of David Burgess along with Brian Lloyd, Rolando Gioia, Charlie Key, Dr. Stephen Smale, Geary Murdock and plenty of pieces from Kay Robertson along with various dealers' inventories. Look here for the not so typical mineral specimens along with plenty of your favorites. We don't just offer the "standard 20 species", but an eclectic mix of specimens that appeal to everybody! Enjoy!

Some of the highlights from this week’s auction include:

1. Doubly-terminated GEM AMETHYST scepter from Washington
2. Rarely seen matrix specimen of AQUAMARINE from the McGinnis Mine in New Hampshire
3. A really cool old SYNTHETIC QUARTZ from Motorola Labs in Pennsylvania
4. NEW FIND of white / colorless GROSSULAR GARNET "Galaxy Garnet" from California
5. Rare, good sized crystals of ANDORITE from the San Jose Mine, Bolivia
6. An unusual and rarely seen ETCHED PYRITE crystal from Washington
7. Cool "floater" GYPSUM specimen with "fishtail"-twin from Canada
8. Page 2 features assorted worldwide minerals (focusing on European and North American localities) from the Kay Robertson Collection

PRE-TUCSON SPECIAL MINERAL COLLECTION LIQUIDATION AUCTION:
featuring OLD CLASSICS - ends Thursday Jan 31, 2019

ends Thursday Jan 31, 2019
at 6:30 PM (Central Time Zone)

This auction features a large group of minerals spanning over 100 years of history, mostly pulled from the collections of lifelong mineral collectors Kay Robertson and David Burgess. These are pieces nobody has seen for sale yet, offered to auction for the first time! Look for superb old classics ! Lots of rare mineral specimens here that are hard to find at ANY price, let alone at auction!


Some of the highlights from this week’s include:

1. Crystallized GOLD specimens
2. NEW FIND of WAVELLITE from Ireland
3. Superb CALCITES from the George Feist Collection
4. Rare FERGUSONITE from Texas!
5. Specimens from the Rob Sielecki Australian Collection including a fine large
BUSTAMITE and a matrix Namibia AMETHYST
6. Sharp LONDONITE xl and a Rare NATIVE IRON slab from Russia
7. NEW FIND of DRAVITE-SCHORL from Brazil
8. Rare pink FLUORITE w/ green YTTRIUM centers from Colombia

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends January 24, 2019

Ends Thursday, January 24th, 2019 at 7:00 PM (Central Time Zone)

ATTENTION! We are pleased to announce that we have purchased a notable collection / supply from a retiring gem dealer of beautiful mixed stones, cabochons and jewelry which we will be offering at liquidation prices!!

Keep watching every week for a great mix and new variety of good quality gemstones to appear over the following months. Reserve prices will typically be $100 and $50 on the better material every other week, with $25 and $10 reserves on alternating weeks.
Questions about Gems?: CONTACT Gem admin Brian Kosnar: click here

MINERAL COLLECTION LIQUIDATION AUCTION - SPECIAL NEW YEAR'S COLLECTION AUCTION SET:
featuring OLD CLASSICS - ends Thursday Jan 24, 2019

ends Thursday Jan 24, 2019
at 6:30 PM (Central Time Zone)

This auction features a large group of minerals from the collection of lifelong collector and friend Allen Dillwith, who has culled his first collection to refocus the collection. Look for superb locality fluorites and interesting USA finds. We are also continuing to process material from the wonderful old mineral collections and purchases from 2018, and expect more surprises to come. Lots of rare mineral specimens here that are hard to find at ANY price, let alone at auction!


Some of the highlights from this week’s include:

1. Crystallized GOLDS from Venezuela and Newfoundland
2. Unusual gem AQUAMARINE
3. Superb LEGRANDITE
4. RHODOCHROSITE from the W.S.Logan Coll.
5. Rare large old stalactitic WAVELLITE from Pennsylvania
6 . Superb and rare ARSENOPYRITE, and a HUGE SMITHSONITE from MEXICO
7. Classic OLD ENGLISH CALCITE and FLUORITES