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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

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end May 28, 2015

Specimens Available: 60

Ends May 28, 2015
at 6:45 PM (Central Time Zone)

TWO FULL PAGES of attractive, unique, classic and rare minerals from contemporary and classic worldwide localities. A great mix featuring specimens from our overstocked inventory, liquidations of the many collections we’ve purchased, and assorted pieces from new finds and classic localities !!

$25 and $10 RESERVE GEMSTONE CONSIGNMENT AUCTION - Ends May 28th

Specimens Available: 21

Ends May 28th, 2015 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


Closed Auctions

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end May 21, 2015

Ends May 21, 2015
at 6:45 PM (Central Time Zone)

TWO FULL PAGES of attractive, unique, classic and rare minerals from contemporary and classic worldwide localities. A great mix featuring specimens from our overstocked inventory, liquidations of the many collections we’ve purchased, and assorted pieces from new finds and classic localities !!

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends May 21, 2015

Ends Thursday, May 21st, 2015 at 7:00 PM (Central Time)

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 next year. 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 SPECIMEN AND COLLECTION LIQUIDATION AUCTIONS (Set 1) - Ends May 21st, 2015

Ends May 21, 2015
at 6:30 PM (Central Time Zone)
This week’s auction features 45 specimens from our inventory, new mineral acquisitions and special selections from recent collections we’ve purchased. There are plenty of unique pieces, classic specimens, interesting localities, rare minerals and hard to find material! Enjoy!

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end May 14, 2015

Ends May 14, 2015
at 6:45 PM (Central Time Zone)

TWO FULL PAGES of attractive, unique, classic and rare minerals from contemporary and classic worldwide localities. A great mix featuring specimens from our overstocked inventory, liquidations of the many collections we’ve purchased, and assorted pieces from new finds and classic localities !!

$25 and $10 RESERVE GEMSTONE CONSIGNMENT AUCTION - Ends May 14th

Ends May 14th, 2015 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

MINERAL SPECIMEN AND MINERAL COLLECTION LIQUIDATION AUCTIONS (Set 1) - Ends May 14th, 2015

MINERAL SPECIMEN LIQUIDATION AUCTIONS SET #1 Ends May 14, 2015
at 6:30 PM (Central Time Zone)

This week’s auction features 2 pages of specimens from our inventory, new mineral acquisitions and special selections from recent collections we’ve purchased. There are plenty of unique pieces, classic specimens, interesting localities, rare minerals and hard to find material! Enjoy!

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends May 7, 2015

Ends Thursday, May 7th, 2015 at 7:00 PM (Central Time)

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 next year. 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 - end May 7, 2015

Ends May 7, 2015
at 6:45 PM (Central Time Zone)

TWO FULL PAGES of attractive, unique, classic and rare minerals from contemporary and classic worldwide localities. A great mix featuring specimens from our overstocked inventory, liquidations of the many collections we’ve purchased, and assorted pieces from new finds and classic localities !!

MINERAL SPECIMEN AND MINERAL COLLECTION LIQUIDATION AUCTIONS (Set 1) - Ends May 7th, 2015

MINERAL SPECIMEN LIQUIDATION AUCTIONS SET #1 Ends May 7, 2015
at 6:30 PM (Central Time Zone)

This auction features another diverse classic minerals suite from the Trimingham and Obodda Mineral Collections As always, we try to show off a very diverse mix of fine mineral specimens from recent acquisitions and old collections we are dispersing. Note the LARGE OLD COPPER FROM MICHIGAN, UP FOR AUCTION THIS WEEK!

$25 and $10 RESERVE GEMSTONE CONSIGNMENT AUCTION - Ends April 30th

Ends April 30th, 2015 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

MINERAL SPECIMEN AND MINERAL COLLECTION LIQUIDATION AUCTIONS (Set 1) - Ends April 30, 2015

MINERAL SPECIMEN LIQUIDATION AUCTIONS SET #1 Ends April 30, 2015
at 6:30 PM (Central Time Zone)

This auction features another diverse classic minerals suite from the Trimingham Mineral Collections plus add-ons such as: A FINE, GEMMY SILLIMANITE tn, CALIFORNIA VESUVIANITE CRYSTAL of ridiculous size, A GOLDEN GEM TANZANITE CRYSTAL & A SUITE OF EXCEPTIONAL RARE SPECIES!
As always, we try to show off a very diverse mix of minerals from recent acquisitions and old collections we are dispersing.

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end April 30, 2015

Ends April 30, 2015
at 6:45 PM (Central Time Zone)

TWO FULL PAGES of attractive, unique, classic and rare minerals from contemporary and classic worldwide localities. A great mix featuring specimens from our overstocked inventory, liquidations of the many collections we’ve purchased, and assorted pieces from new finds and classic localities !!

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends April 23, 2015

Ends Thursday, April 23rd, 2015 at 7:00 PM (Central Time)

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 next year. 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 - end April 23, 2015

Ends April 23, 2015
at 6:45 PM (Central Time Zone)

TWO FULL PAGES of attractive, unique, classic and rare minerals from contemporary and classic worldwide localities. A great mix featuring specimens from our overstocked inventory, liquidations of the many collections we’ve purchased, and assorted pieces from new finds and classic localities !!

MINERAL SPECIMEN AND COLLECTION LIQUIDATION AUCTIONS (Set 1) - Ends April 23, 2015

MINERAL SPECIMEN LIQUIDATION AUCTIONS SET #1 Ends April 23, 2015
at 6:30 PM (Central Time Zone)

This auction features another diverse classic minerals suite from the Trimingham Mineral Collections plus add-ons such as:

A FINE, GEMMY LIDDICOATITE , CALIFORNIA GARNET CRYSTAL, A HUGE GOLDEN GEM SCAPOLITE CRYSTAL
& A SUITE OF EXCEPTIONAL RARE SPECIES!
As always, we try to show off a very diverse mix of minerals from recent acquisitions and old collections we are dispersing.

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end April 16, 2015

Ends April 16, 2015
at 6:45 PM (Central Time Zone)

TWO FULL PAGES of attractive, unique, classic and rare minerals from contemporary and classic worldwide localities. A great mix featuring specimens from our overstocked inventory, liquidations of the many collections we’ve purchased, and assorted pieces from new finds and classic localities !!

$25 and $10 RESERVE GEMSTONE CONSIGNMENT AUCTION - Ends April 16th

Ends April 16th, 2015 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

MINERAL SPECIMEN AND COLLECTION LIQUIDATION AUCTIONS (Set 1) - Ends April 16, 2015

MINERAL SPECIMEN LIQUIDATION AUCTIONS SET #1 Ends April 16, 2015
at 6:30 PM (Central Time Zone)

This auction features a huge classic minerals suite from the Trimingham Mineral Collections including major pieces such as a matrix HEMATITE ROSE cluster from Switzerland,

A FINE, GEMMY LIDDICOATITE , A BICOLOR TANZANITE CRYSTAL
& A MAGNIFICENT LARGE MICHIGAN SILVER SPECIMEN!
As always, we try to show off a very diverse mix of minerals from recent acquisitions and old collections we are dispersing.

MINERAL SPECIMEN AND COLLECTION LIQUIDATION AUCTIONS (Set 1) - Ends April 9, 2015

MINERAL SPECIMEN LIQUIDATION AUCTIONS SET #1 Ends April 9, 2015
at 6:30 PM (Central Time Zone)

As always, we try to show off a very diverse mix of minerals from recent acquisitions and old collections we are dispersing. This auction features a huge GARNET suite from the Trimingham Mineral Collections as well as two special $999-reserve pieces on consignment from various owner:

A FINE, GEMMY RUSSIAN TOURMALINE
&A MAGNIFICENT LARGE EUROPEAN SILVER SPECIMEN!

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end April 9, 2015

Ends April 2, 2015
at 6:45 PM (Central Time Zone)

TWO FULL PAGES of attractive, unique, classic and rare minerals from contemporary and classic worldwide localities. A great mix featuring specimens from our overstocked inventory, liquidations of the many collections we’ve purchased, and assorted pieces from new finds and classic localities !!

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends April 9, 2015

Ends Thursday, April 9th, 2015 at 7:00 PM (Central Time)

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 next year. 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 post-TUCSON EDITION FINE MINERAL SPECIMEN AUCTIONS - ends April 2, 2015

SPECIAL post-TUCSON AUCTION Ends April 2, 2015
at 6:30 PM (Central Time Zone)

We present here a wide mix of old classics and new finds, including fine mineral specimens from the Trimingham and Obodda Mineral Collections which we are dispersing. Note some major gem crystals and old classics, in this week's mix! Also, there is an excellent suite of unusual and rare PSEUDOMORPHS in this set from the Trimingham Collection

$25 and $10 RESERVE GEMSTONE CONSIGNMENT AUCTION - Ends April 2nd

Ends April 2nd, 2015 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 - end April 2, 2015

Ends April 2, 2015
at 6:45 PM (Central Time Zone)

TWO FULL PAGES of attractive, unique, classic and rare minerals from contemporary and classic worldwide localities. A great mix featuring specimens from our overstocked inventory, liquidations of the many collections we’ve purchased, and assorted pieces from new finds and classic localities !!

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end March 26, 2015

Ends March 26, 2015
at 6:45 PM (Central Time Zone)

TWO FULL PAGES of attractive, unique, classic and rare minerals from contemporary and classic worldwide localities. A great mix featuring specimens from our overstocked inventory, liquidations of the many collections we’ve purchased, and assorted pieces from new finds and classic localities !!

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends March 26, 2015

Ends Thursday, March 26th, 2015 at 7:00 PM (Central Time)

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 next year. 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 post-TUCSON EDITION FINE MINERAL SPECIMEN AUCTIONS - ends March 26th, 2015

SEPCIAL post-TUCSON AUCTION Ends March 26, 2015
at 6:30 PM (Central Time Zone)

Here is a great mix of common and rare, old and new specimens featuring older classics from many collections we’ve purchased, and assorted pieces from new finds and classic localities such as Tsumeb. Of note in this auction set are superb old classic mineral specimens of Kongsberg Silver, German Fluorite, and several superb thumbnail specimens of the rare species Weloganite and Epididymite

$25 and $10 RESERVE GEMSTONE CONSIGNMENT AUCTION - Ends March 19th

Ends March 19th, 2015 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

SPECIAL *POST-TUCSON* FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end March 19, 2015

Ends March 19, 2015
at 6:45 PM (Central Time Zone)

Now that the Tucson Show is over, we have another great offering of TWO FULL PAGES of attractive, unique, classic and rare minerals from contemporary and classic worldwide localities. A great mix featuring specimens from our overstocked inventory, liquidations of the many collections we’ve purchased, and assorted pieces from new finds and classic localities !!

SPECIAL post-TUCSON EDITION FINE MINERAL SPECIMEN AUCTIONS - end March 19th, 2015

SEPCIAL post-TUCSON AUCTION Ends March 19, 2015
at 6:30 PM (Central Time Zone)

Premium classics and old treasures from several recent collection acquisitions, many of which we could have taken to our 50-foot-long booth at the Tucson main show for sale as usual. Instead, they are up for auction for our web customers! There is a great mix featuring specimens from many collections we’ve purchased, and assorted pieces from new finds and classic localities such as Tsumeb and old USA localities now closed.

SPECIAL post-TUCSON EDITION FINE MINERAL SPECIMEN AUCTIONS - end March 12, 2015

SEPCIAL post-TUCSON AUCTION Ends March 12, 2015
at 6:30 PM (Central Time Zone)

A special auction set filled with some premium classics and old treasures from several recent collection acquisitions, many of which we could have taken to our 50-foot-long booth at the Tucson main show for sale as usual. Instead, they are up for auction for our web customers! There is a great mix featuring specimens from many collections we’ve purchased, and assorted pieces from new finds and classic localities

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends March 12, 2015

Ends Thursday, March 12th, 2015 at 7:00 PM (Central Time)

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 next year. 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