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Click here for more info.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
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
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
FINE MINERAL SPECIMEN LIQUIDATION AUCTIONS - end Jan 15, 2015
ends Jan 15, 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). There are plenty of unique pieces and classic specimens, both rarities and and gem crystals we seldom see for sale - especially at auction. Enjoy!
This auction features some superb rare species such as Kegelite and Cannonite, tourmalines, a fine old German silver, and a magnificent Herkimer Diamond quartz specimen.
FINE MINERAL SPECIMEN LIQUIDATION AUCTIONS - end Jan 8, 2015
ends Jan 8 , 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). There are plenty of unique pieces and classic specimens, both rarities and and gem crystals we seldom see for sale - especially at auction. Enjoy!
This auction features some fine tourmalines and a remarkable old Tiger Mine leadhillite specimen.
$25 and $10 RESERVE GEMSTONE CONSIGNMENT AUCTION - Ends January 8th
Ends January 8th, 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 COLLECTION and INVENTORY LIQUIDATION AUCTION - end Jan 8, 2015
Ends Jan 8, 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 AUCTION: Hoppel Collection Rare species suite
Mineral Liquidation Auction
ends TUESDAY Jan 6th.
NOTE SPECIAL END DAY: TUESDAY JAN 6th, 2015
at 6 PM (Central Time Zone)!
In partnership with Heritage Auctions of Dallas, we are honored to present the first of several large auction sets of rare species and fine locality pieces from the massive Hoppel Collection. After several years of holding back the rare species and important scientific specimens in the Hoppel collection, Heritage and I have negotiated a deal to let me offer these specimens to my customers at only our token $10 auction reserve, even though many specimens are valued at $1000 and more! We are excited that these liquidation auctions will bring to market hundreds of specimens of importance to collectors, many from the 1980s and 1990s !
SPECIAL $100 and $50 RESERVE GEMSTONE CONSIGNMENT AUCTION - Ends *TUESDAY* December 30th
Ends **TUESDAY** December 30th, 2014 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 SPECIMEN LIQUIDATION AUCTIONS - end Dec 30, 2014
ends Dec 30, 2014
at 6:30 PM
(SPECIAL HOLIDAY WEEK ENDING DATE)(Central Time Zone)
THREE 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 Art Soregaroli). There are plenty of unique pieces and classic specimens, both rarities and and gem crystals we seldom see for sale - especially at auction. Enjoy!
MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end Dec 30, 2014
Ends **TUESDAY** Dec 30, 2014
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 COLLECTION and INVENTORY LIQUIDATION AUCTION - end Dec 18, 2014
Ends Dec 18, 2014
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 !!