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$25 and $10 RESERVE GEMSTONE AUCTION - Ends June 21st, 2018

Specimens Available: 21

Ends June 21st, 2018 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 June 21st, 2018

Specimens Available: 45

Ends Thursday, June 21st, 2018
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 Tucson 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 Willard Wulff, Francesco Bedogne, Rolando Gioia, Charlie Key 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 $6,000, fantastic, gemmy, doubly-terminated, blue AQUAMARINE crystals on Albite form Pakistan (ex Obodda)
2. GEM quality, golden rhombic CALCITE specimen from the Sokolovskoe Iron Mine, in Kazakhstan
3. A classic specimen of OPAL pseudomorphing after FOSSIL CLAM shell from Coober Pedy, Australia
4. Classic, rarely seen DOUBLY-TERMINATED twinned red CINNABAR with QUARTZ from China
5. GEM PURPLE TOPAZ on MAGNESITE from Brumado, Bahia, Brazil
6. Attractive color change "butterfly-twinned" MONAZITE-(Ce) crystals on QUARTZ from the Siglo XX Mine, Bolivia
7. A big, rare, historic specimen of SYNTHETIC QUARTZ (ex Motorola Laboratories)
8. An incredibly rare specimen of TETRADYMITE from the nearly 200 year old type locality in Slovakia!
9. Page 2 features assorted minerals from the Kay Robertson collection

FINE MINERAL COLLECTION LIQUIDATION AUCTIONS (set 1 of 2) with OLD CLASSICS, NEW FINDS and RARITIES - ends Thursday June 21, 2018

Specimens Available: 47

ends Thursday June 21, 2018
at 6:30 PM (Central Time Zone)

A great mix this week featuring gem crystals like Tourmaline along with LOTS of old classics, contemporary beauties and rare species ! We are continuing to process material from the wonderful old mineral collections of Kay Robertson along with fine minerals from numerous other collections and purchases including 1980s-90s specimens from the Ted Bartels Collection. Lots of old classics here that are hard to find at any price, let alone at auction. .


Some of the highlights from this week’s include:

1. Rare Tajikistan TOURMALINE
2. Superb old and rare Bisbee AZURITE & MALACHITE
3. Fine crystallized GOLD
4. Selection of COLORADO specimens including a rare Cripple Creek CALAVERITE, GOLD & DOLOMITE
5. Large STILBITE, HEULANDITE & QUARTZ pocket
6. Rare Tsumeb MIMETITE after CERUSSITE
7. Selection of TOURMALINES
8. Rare NEBRASKA BARITE & CALCITE in a BRACHIOPOD

SPECIAL MINERAL AUCTION - THE COLLECTION of THOMAS CAMPBELL - ends TUESDAY June 19th, 2018

Specimens Available: 20

Ends TUESDAY June 19th, 2018
at 7:00 PM (Central Time Zone)

Continuing with our special themed auctions through the summer we are thrilled for our next installment of the worldwide collection of Tom Campbell.

Tom is a mineralogist and mineral collector who works with us here at The Arkenstone. He has over 35 years' worth of experience in the fields of exploration geology, mining, and applied mineralogy, but he has even more years under his belt as a collector. He's been passionate about minerals and mineralogy his entire life, and has assembled a wonderful worldwide collection. In addition to collecting, Tom discovered the species Tiptopite, Fransoletite and Pahasapaite along with co-describing eight more new species. Take a look at this week's sampling of these attractive display specimens from culling Tom's collection.

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends June 14th, 2018

Specimens Available: 0

Ends Thursday, June 14th, 2018 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 June 14th, 2018

Specimens Available: 0

Ends Thursday, June 14th, 2018
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 Tucson 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 Willard Wulff, Francesco Bedogne, Rolando Gioia, Charlie Key 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. One of the new specimens of PURPLE QUARTZ ("Grape" Chalcedony / Agate) from Indonesia
2. A rarely seen specimen of TRANSLUCENT / GEMMY AMAZONITE on Smoky Quartz from Afghanistan
3. Excellent crystallized ROSE QUARTZ on QUARTZ from Brazil
4. A 3-piece set of WIRE SILVERS from the Hongda Mine in China
5. Gorgeous, gemmy, rich red colored metallic CUPRITE on matrix from the Milpillas Mine, Mexico
6. A lovely doubly-terminated, rich blue colored AQUAMARINE crystal from Erongo, Namibia
7. GEMMY VILLIAUMITE crystal from Mont Saint-Hilaire, Canada
8. Rarities include LEONITE with HALITE; CHAMOSITE ("Thuringite") after ALMANDINE; UMANGITE with CHALCOMENITE; and CREASEYITE
9. Page 2 features assorted minerals from the Kay Robertson collection

FINE MINERAL COLLECTION LIQUIDATION AUCTIONS (set 1 of 2) with OLD CLASSICS, NEW FINDS and RARITIES - ends Thursday June 14, 2018

Specimens Available: 0

ends Thursday June 14, 2018
at 6:30 PM (Central Time Zone)

A great mix this week featuring gem crystals like Topaz and Tourmaline along with LOTS of old classics, contemporary beauties and rare species ! We are continuing to process material from the wonderful old mineral collections of Kay Robertson along with fine minerals from numerous other collections and purchases. Lots of old classics here that are hard to find at any price, let alone at auction.


Some of the highlights from this week’s include:

1. Large TOURMALINE combination from the Steve Smale Collection
2. Fine, large South Carolina AMETHYST and excellent Michigan COPPER
3. VERY FINE, bi-colored TANZANITE thumbnail
4. Rare old Romanian AMETHYST, and AMETHYST from the Charlie Key Collection
5. CARROLLITE on matrix
6. Rare TOURMALINE from the Little Three Mine

SPECIAL $50 RESERVE GEMSTONE AUCTION - Ends June 7th, 2018

Specimens Available: 0

Ends Thursday, June 7th, 2018 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 this wekk are $50.
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 June 7th, 2018

Specimens Available: 0

Ends Thursday, June 7th, 2018
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 Tucson 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 Willard Wulff, John Arnaud, Rolando Gioia, Charlie Key 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. Newly mined "COCONUT" ANDRADITE GARNET from Peru
2. Large "Baveno" twinned MICROCLINE crystal with SCHORL from Pakistan
3. Excellent rare crystallized ANDERSONITE from Ambrosia Lake, New Mexico
4. Beautiful pinkish-red RHODOCHROSITE from the Moose Mine, Colorado
5. Rare specimen of crystallized NADORITE from the Type Locality in Algeria
6. Attractive crystallized GOLD specimen from the Piolho Claim, Brazil
7. Very sharp and lustrous blue SAPPHIRE crystal from the Zazafotsy Quarry, Madagascar
8. Superbly well-crystallized GOETHITE specimen from Colorado
9. Page 2 features assorted minerals from the Kay Robertson collection

FINE MINERAL COLLECTION LIQUIDATION AUCTIONS (set 1 of 2) with OLD CLASSICS, NEW FINDS and RARITIES - ends Thursday June 7, 2018

Specimens Available: 0

ends Thursday June 7, 2018
at 6:30 PM (Central Time Zone)

A great mix this week featuring gem crystals like Topaz and Tourmaline along with LOTS of old classics, contemporary beauties and rare species ! We are continuing to process material from the wonderful old mineral collections of Kay Robertson along with William Logan, Raul Sanabria, Joe Lobell and others. Lots of old classics here that are hard to find at any price, let alone at auction.


Some of the highlights from this week’s include:

1. Large Russian TOURMALINE
2. FLUORITE & TOPAZ from California
3. Superb PENTAGONITE
4. Classic old Tri-State SPHALERITE & CHALCOPYRITE
5. Gem CUPRITE from Australia
6. Rare old German ANGLESITE & CERUSSITE from the Friedrichssegen Mine
7. RHODOCHROSITES from the W.S. Logan Collection
8. Classics and rarities from the Kay Robertson, Joe Lobell and an East Coast collection
9. Fine CALCITE, BARITE & FLUORITE from the Cumberland Mine
10. Selection of TOURMALINES
11. Old (1770s!) German GALENA

SPECIAL MINERAL AUCTION - THE COLLECTION of FRANCESCO BEDOGNÉ - ends TUESDAY June 5th, 2018

Specimens Available: 0

Ends TUESDAY June 5th, 2018
at 7:00 PM (Central Time Zone)

Continuing with our special themed auctions through the summer we are thrilled for our next installment of the worldwide collection of Francesco Bedogné of Sondrio, Italy (1942-2012).

Dr. Bedogné was a beloved, well-known mineral collector, field collector and author. He specialized in collecting and writing about minerals of the Italian Alps, contributing dozens of articles and many books including the minerals of famous Alpine deposits such as Val Chiavenna, Val Bregaglia, Val Masino, Val Codera and of course the famous Val Malenco for which he was best known (see the Mineralogical Record article in Vol. 3, No. 3 : May / June 1972; pg. 120-123). Bedogné was the founder of the Valtellinese Mineralogical Institute as well. A book featuring some of his finest specimens entitled "Segrete Geometrie" was published in 2015, and is available for purchase from us here at The Arkenstone.

Bedogné's worldwide collection features many attractive historic, classic and contemporary specimens, and we've taken this opportunity showcase some great pieces from this collection. Look for more of Francesco's specimens later on this year.

SPECIAL HIGH-$$$ MINERAL AUCTION - FEATURING SELECTED PREMIUM SPECIMENS FROM OUR GALLERY AND OLD COLLECTIONS - ends Thursday May 31, 2018

Specimens Available: 0

Ends Thursday, May 31, 2018
at 7:15 PM (Central Time Zone)

For the next few months, we're going to be listing special themed auctions featuring specimens from a specific locality, or a special theme, or from a particular collection, etc. We're going to do a few special auctions per month during the summer! The current theme auction features superb specimens all worth much in excess of $1000, starting at $899 liquidation bids. Enjoy!

PLEASE NOTE: This auction closes on Thursday like the regular auctions, but just a little later than normal. We'll send out a reminder / announcement before it closes to you don't miss out.

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends May 31st, 2018

Specimens Available: 0

Ends Thursday, May 31st, 2018 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 May 31st, 2018

Specimens Available: 0

Ends Thursday, May 31st, 2018
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 Tucson 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 Willard Wulff, Paul Zerfass, Rolando Gioia, Charlie Key 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. EXCELLENT $$ matrix specimen of gemmy blue-green TOURMALINE on QUARTZ from Afghanistan
2. Classic "snowflake" CERUSSITE on SMITHSONITE from Tsumeb
3. GEM quality colorless TOPAZ crystal from China
4. Newly discovered orange CALCITE from the Grabiszyce Quarry, Poland
5. Fine quality beautiful blue rare CORNETITE specimen with Malachite and Chrysocolla from D. R. Congo
6. Newly discovered green twinned CHRYSOBERYL from Brazil
7. Large "floater" piece of gemmy yellow LIBYAN DESERT GLASS
8. Polished specimen of NATIVE SILVER with RHODOCHROSITE from Peru
9. Page 2 features assorted minerals from the Kay Robertson collection

MINERAL COLLECTION LIQUIDATION AUCTIONS (set 1 of 2) - ends Thursday May 31, 2018

Specimens Available: 0

FINE MINERAL SPECIMEN AUCTIONS (set 1 of 2) - FEATURING OLD CLASSICS AND NEW FINDS FROM MULTIPLE OLD COLLECTIONS! - end Thursday May 31, 2018 ends Thursday May 31, 2018
at 6:30 PM (Central Time Zone)

A great mix this week featuring old classics, contemporary beauties, gem crystals and rare species ! We are continuing to process material from the wonderful old mineral collections of Bedogne, Robertson, Obodda, and others. Lots of old classics here that are hard to find at any price, let alone at auction.


Some of the highlights from this week’s include:

1. RARE TANZANITE on GYPSUM
2. Old rare PAKISTAN FLUORITE and a fine MICHIGAN COPPER
3. Many rarities and classics from the Kay Robertson, Joe Lobell and an East Coast collection
4. Large DANBURITE
5. Rare QUARTZ prases with HEMATITE iron roses from Germany
6. Selection of TOURMALINES
7. Rich large LINARITE from Blanchard

SPECIAL MINERAL AUCTION - FEATURING SELECTED SPECIMENS FROM THE COLLECTIONS of DR. STEPHEN SMALE and CHARLIE KEY - ends Thursday May 24th, 2018

Specimens Available: 0

Ends Thursday, May 24th, 2018
at 7:15 PM (Central Time Zone)

For the next few months, we're going to be listing special themed auctions featuring specimens from a specific locality, or a special theme, or from a particular collection, etc. We're going to do a few special auctions per month during the summer! The current theme auction features 40 specimens; 20 of which are from the collection of noted mathematician and mineral collector, Dr. Stephen Smale, and another 20 pieces from the collection of the renowned mineral dealer Charles Locke Key. All of the Smale specimens are culled from his world-famous collection of Chinese minerals, and the Key specimens represent worldwide localities.

PLEASE NOTE: This auction closes on Thursday like the regular auctions, but just a little later than normal. We'll send out a reminder / announcement before it closes to you don't miss out.

$25 and $10 RESERVE GEMSTONE AUCTION - Ends May 24th, 2018

Specimens Available: 0

Ends May 24th, 2018 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 May 24th, 2018

Specimens Available: 0

Ends Thursday, May 24th, 2018
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 Tucson 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 Willard Wulff, Rolando Gioia, Charlie Key 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. Rarely seen associations of CUPRITE replaced by MALACHITE on AZURITE from TSUMEB!
2. Crystallized GOLD specimen with minor QUARTZ from Leadville, Colorado
3. Large, classic, sharp, lustrous GEM quality TOPAZ crystal from Klein Spitzkopje, Namibia (89 grams)
4. Highly sought after, classic STRIPED AMAZONITE with SMOKY QUARTZ crystals from Colorado (ex Larry Conklin Specimen)
5. Beautiful pink TOURMALINE crystal on QUARTZ (UN-REPAIRED) from the Himalaya Mine, San Diego County, California
6. Gorgeous cinnamon colored GROSSULAR with green DIOPSIDE from the Jeffery Mine, Quebec, Canada
7. Old time German SPHALERITE and QUARTZ from the Washington A. Roebling Collection
8. Cool pseudomorph of FERBERITE after SCHEELITE from Rwanda!
9. Page 2 features assorted minerals from the Kay Robertson collection

MINERAL COLLECTION LIQUIDATION AUCTIONS (set 1 of 2) - FEATURING SPECIMENS FROM MULTIPLE OLD COLLECTIONS! - end Thursday May 24, 2018

Specimens Available: 0

MINERAL COLLECTION LIQUIDATION AUCTIONS (set 1 of 2) - FEATURING SPECIMENS FROM MULTIPLE OLD COLLECTIONS! - end Thursday May 24, 2018 ends Thursday May 24, 2018
at 6:30 PM (Central Time Zone)

A great mix this week featuring old classics, contemporary beauties, gem crystals and rare species ! We are continuing to process material from the wonderful old mineral collections of Bedogne, Robertson, Obodda, and others. Lots of old classics here that are hard to find at any price, let alone at auction.


Some of the highlights from this week’s include:

1. Large COPPER and rare sheet SILVER from Michigan
2. Rare old Kingsgate MOLYBDENITE and QUARTZ
3. Vivid COBALTOAN CALCITE from the Mashamba West Mine
4. Specimens from the Charlie Key Collection
5. Superb large HEULANDITE and MORDENITE from Idaho
6. Unusual Brazilian SMOKY QUARTZ scepter
7. Classics and rarities from the Kay Robertson, Bedogne and an East Coast collection
8. Rare style FLUORITE miniature monolith from England
9. Striking and rare Mexico CHALCOPYRITE and CERUSSITE
10. Old rare Colorado MANGANOAN CALCITE and Yellowstone Park QUARTZ

MINERAL COLLECTION LIQUIDATION AUCTIONS (set 1 of 2) - FEATURING SPECIMENS FROM MULTIPLE OLD COLLECTIONS! - end Thursday May 31, 2018

Specimens Available: 0

ends Thursday May 31, 2018
at 6:30 PM (Central Time Zone)

A great mix this week featuring old classics, contemporary beauties, gem crystals and rare species ! We are continuing to process material from the wonderful old mineral collections of Bedogne, Robertson, Obodda, and others. Lots of old classics here that are hard to find at any price, let alone at auction.


Some of the highlights from this week’s include:

1. RARE TANZANITE on GYPSUM
2. Old rare PAKISTAN FLUORITE and a fine MICHIGAN COPPER
3. Many rarities and classics from the Kay Robertson, Joe Lobell and an East Coast collection
4. Large DANBURITE
5. Rare QUARTZ prases with HEMATITE iron roses from Germany
6. Selection of TOURMALINES
7. Rich large LINARITE from Blanchard

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday May 17th, 2018

Specimens Available: 0

Ends Thursday, May 17th, 2018
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 Tucson 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 Willard Wulff, Rolando Gioia, 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. Fantastic, gemmy, lustrous, tri-color TOURMALINE crystal from Afghanistan (39.82 grams)
2. Classic, pink-red RHODOCHROSITE crystals on matrix from the famous Sweet Home Mine in Colorado
3. Butterfly-twinned crystals of blue-green PHOSPHOPHYLLITE from Bolivia!
4. Highly sought after, classic STRIPED AMAZONITE crystals from Colorado (ex Dave Bergman Collection)
5. Attractive unusually PLEOCHROIC UVITE TOURMALINE crystals on matrix from Brumado, Brazil
6. Rarities like SELIGMANNITE from Peru and URANINITE with RUTHERFORDINE from Tanzania
7. A rarely seen HYALITE OPAL (OPAL-AN) from Chalk Mountain, North Carolina
8. Specimen of BAYLDONITE from the Type Locality in England, and and CAFARSITE from the Type Locality in Switzerland
9. Page 2 features assorted minerals from the Kay Robertson collection

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends May 17th, 2018

Specimens Available: 0

Ends Thursday, May 17th, 2018 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 AUCTIONS (set 1 of 2) - FEATURING OLD CLASSIC SPECIMENS FROM MULTIPLE OLD COLLECTIONS !- end Thursday May 17, 2018

Specimens Available: 0

ends Thursday May 17, 2018
at 6:30 PM (Central Time Zone)

SUPER MIX of old classics with a few modern showy finds of gem crystals and rare species ! We are continuing to process material from the wonderful old mineral collections of Bedogne, Robertson, Obodda, and others. Lots of old classics here that are hard to find at any price, let alone at auction.


Some of the highlights from this week’s include:

1. Superb GOOSECREEKITE & botryoidal FLUORITE w/ AMETHYST specimens
2. Old Czech PYRARGYRITE with a handwritten CARL BOSCH label
3. Impressive and unusual large INDICOLITE TOURMALINE
4. Fine ADAMITE from Mina Ojuela
5. Large APOPHYLLITE stalactite
6. Rare DIAMONDS from the John Saul Collection
7. CHARLIE KEY collection specimens
8. Large VIVIANITE, Large carving-grade BISBEE MALACHITE

$25 and $10 RESERVE GEMSTONE AUCTION - Ends May 10th, 2018

Specimens Available: 0

Ends May 10th, 2018 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 May 10th, 2018

Specimens Available: 0

Ends Thursday, May 10th, 2018
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 Tucson 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 Willard Wulff, Rolando Gioia, 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. Phantom zoned FLUORITE specimen from a NEW find in Baluchistan, Pakistan
2. Classic, glowing RED RHODOCHROSITE crystals on matrix from Mont Saint-Hilaire, Canada
3. An attractive matrix specimen of SCHORL TOURMALINE on MICROCLINE from Pakistan
4. Wonderful prismatic AQUAMARINE crystal with MUSCOVITE and ALBITE from Brazil (149 grams)
5. A VERY rare specimen of ZAKHAROVITE from Mont Saint-Hilaire, Canada
6. Beautiful GEM quality twinned BERYLLONITE from the Telirio Claim in Brazil (ex Rolando Gioia Collection)
7. A hard to find specimen of UVAROVITE GARNET from Turkey!
8. Two ULLMANNITE specimens this week " one from England, and another from Germany 8. Page 2 features assorted minerals from the Kay Robertson collection

MINERAL COLLECTION LIQUIDATION AUCTIONS (set 1 of 2) - FEATURING OLD CLASSIC SPECIMENS FROM MULTIPLE OLD COLLECTIONS !- end Thursday May 10, 2018

Specimens Available: 0

ends Thursday May 10, 2018
at 6:30 PM (Central Time Zone)

SUPER MIX of old classics with a few modern showy finds of gem crystals and rare species ! We are continuing to process material from the wonderful old mineral collections of Bedogne, Robertson, Obodda, and others. Lots of old classics here that are hard to find at any price, let alone at auction.


Some of the highlights from this week’s include:

1. Fine SERANDITE combination from Mont Saint-Hilaire valued $2000-plus
2. Unusual AMETHYST from the CHARLIE KEY COLLECTION
3. Large and rich Chinese SPESSARTINE plate from Ed David Coll. !
4. Old-time SPESSARTINE, SCHORL & SMOKY QUARTZ from the Little Three Mine
5. Large and rare German PYROPE GARNET
6. Superb FLUORITE from Chamonix
7. Many classic and rarities from the Kay Robertson and an East Coast collection
8. amazing, totally GEM PARISITE xl from France

SPECIAL ROUGH and CUT (GEM and CRYSTAL SETS) AUCTION - Ends May 3, 2018

Specimens Available: 0

Ends Thursday, May 3rd, 2018 at 7:15 PM (Central Time Zone)

We rarely offer rough and cuts, but we have a real treat this week. We have 21 sets of rough and cut gems and minerals from various worldwide localities. Plenty of your favorites including: Topaz, Garnet, Alexandrite, Beryl (Bicolor), Spinel, Phenakite and Opal along with lots of interesting sets and rarities including Grandidierite, Cryolite, Tantalite-(Mn), Rhodizite and Anglesite!

Some sets are valued in the THOUSANDS of dollars, so be sure to check out everything. Don’t miss out on these beauties; there are some really attractive and worthwhile sets in the mix, all with $10 RESERVE STARTING BIDS.

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends May 3rd, 2018

Specimens Available: 0

Ends Thursday, May 3rd, 2018 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 May 3rd, 2018

Specimens Available: 0

Ends Thursday, May 3rd, 2018
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 Tucson 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 Willard Wulff, Francesco Bedogné, Paul Zerfass, Rolando Gioia, 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 piece of the new and unusual PURPLE QUARTZ ("Grape" Chalcedony / Agate) from INDONESIA
2. Multicolor, cat's eye and scepter habit TOURMALINE specimen from Brazil
3. Newly mined, unique and interesting "BLOOD VESSEL OPAL" from San Luis Potosi, Mexico
4. Beautiful "phantom" red BROOKITE crystals on matrix from Pakistan
5. An inside-out pseudomorph of QUARTZ replacing TOURMALINE from Brazil
6. Rarely seen gemmy reddish colored TWINNED crystals of MANGANONEPTUNITE from Mont Saint-Hilaire, Quebec, Canada
7. Classic blue ANATASE crystal from Norway
8. Page 2 features assorted minerals from the Kay Robertson collection

MINERAL COLLECTION LIQUIDATION AUCTIONS (set 1 of 2) - FEATURING OLD CLASSIC SPECIMENS FROM MULTIPLE OLD COLLECTIONS !- end Thursday May 3, 2018

Specimens Available: 0

ends Thursday April 26, 2018
at 6:30 PM (Central Time Zone)

We obtained an old East Coast collection just before the Tucson show and left it all at home, to offer on the internet first! Lots of old classics here! See gem crystals, rare species, old USA and worldwide 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 here of specimens including things worth $1000s of dollars, starting at only $10


Some of the highlights from this week’s include:

1. Superb APOPHYLLITE and STELLERITE specimens from India
2. Selection of classic and rare PYROMORPHITES
3. Rare Wolodarsk KERITE from the John Saul Collection
4. Fine rich PHOSPHOPHYLLITE
5. Superb Bunker Hill PYROMORPHITE thumbnail
6. CHARLIE KEY Collection specimens
7. Rare old Ivigtut PACHNOLITE
8. Fine WAVELLITE from Arkansas
9. Classic and rarities from the Kay Robertson and an East Coast collection
10. Rare PHOSPHATE combination from the Tip Top Mine

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