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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.

 

 

Closed Auctions

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

SPECIAL *POST-TUCSON* FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end March 12, 2015

Ends March 12, 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 5th, 2015

SEPCIAL post-TUCSON AUCTION Ends March 5, 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

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end March 5, 2015

Ends March 5, 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 March 5th

Ends March 5th, 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 $100 and $50 RESERVE GEMSTONE AUCTION - Ends February 26, 2015

Ends Thursday, February 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* FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end Feb 26, 2015

Ends Feb 26, 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 Feb 26, 2015

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

A special 30 piece 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

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

Ends February 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

FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end Feb 19, 2015

Ends Feb 19, 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 February 12, 2015

Ends Thursday, February 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

SPECIAL *TUCSON EDITION* FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end Feb 12, 2015

Ends Feb 12, 2015
at 6:45 PM (Central Time Zone)

Running in conjunction with the Tucson Show, we are offering 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 TUCSON EDITION FINE MINERAL SPECIMEN AUCTIONS - end Feb 12, 2015

SEPCIAL TUCSON EDITION AUCTION Ends Feb 12, 2015
at 6:30 PM (Central Time Zone)

A full 30 piece auction filled with some of the most interesting 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 mixed in as "spikers"!!

SPECIAL MINERAL AUCTION: Dr. Bob Byers collection (ends FEB 12)

Ends Thursday Feb 12, 2015
at 6:30 PM (Central Time Zone)!

We are proud to present a suite of interesting locality specimens, including a selection of very rare stibnites, from the collection of Dr. Bob Byers of the San Francisco area. Bob has collected minerals, particularly stibnites and azurites, for 50 years and has just started culling his duplicates around the edges. There are some neat pieces here, so Enjoy!

SPECIAL PRE-TUCSON FINE MINERAL SPECIMEN AUCTIONS - end Feb 5th, 2015

SEPCIAL PRE-TUCSON AUCTION Ends Feb 5, 2015
at 6:30 PM (Central Time Zone)

This auction is packed with some of the most interesting 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 mixed in as "spikers" (such as a rare Pink tanzanite and some ultra-rare classics)!!

SPECIAL *PRE-TUCSON* FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end Feb 5, 2015

Ends Feb 5, 2015
at 6:45 PM (Central Time Zone)

As the Tucson Show gets into full swing we are offering 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 February 5th

Ends February 5th, 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 PRE-TUCSON FINE MINERAL SPECIMEN AUCTIONS - end Jan 29, 2015

SEPCIAL PRE-TUCSON AUCTION Ends Jan 29, 2015
at 6:30 PM (Central Time Zone)

This auction is packed with some of the most interesting 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 mixed in as "spikers"!!

SPECIAL $100 and $50 RESERVE GEMSTONE AUCTION - Ends January 29, 2015

Ends Thursday, January 29th, 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 PRE-TUCSON FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end Jan 29, 2015

Ends Jan 29, 2015
at 6:45 PM (Central Time Zone)

As the Tucson Show gets into full swing we are offering 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 January 22nd

Ends January 22th, 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 Jan 22, 2015

Ends Jan 22, 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 SPECIMEN LIQUIDATION AUCTIONS - end Jan 22, 2015

ends Jan 22, 2015
at 6:30 PM
NEW YEAR'S AUCTION!(Central Time Zone)
3 PAGES of FINE MINERAL SPECIMEN and MINERAL COLLECTION Liquidation auctions: Here you will find many old classic and rare specimens from recent collections we’ve purchased (in particular, we continue dispersing the large and very diverse mineral collections of Bob Trimingham, Herb Obodda, and Dr. Art Soregaroli). Note many impressive historical classics and rare species in this set, including minerals from old European locales such as Chessy and Harz; a fine old English chalcocite, and a turn-of-the-1900s Rhodonite from New Jersey with fascinating labels.

MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end Jan 15, 2015

Ends Jan 15, 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 January 15, 2015

Ends Thursday, January 15th, 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