Mixed Mineral Auction!

Specimens from the well-known Cook, Hefendehl, Trancoso, and other collections are featured in this very eclectic selection of rarities, classics, new finds, and large specimens.


1. INDICOLITE TOURMALINE and etched TRIPHANE SPODUMENE specimens from Afghanistan.



4. New Find of LAZURITE

5. Rare VANADINITE on fossil clam and CELESTINE on fossil Bryozoan.

6. RHODOCHROSITE specimens.

7. Excellent "SAGENITE" RUTILE and CASSITERITE specimens.

8. RARE large MOHAWKITE cobble from Michigan and SMOKY QUARTZ from Ohio.

9. HEULANDITE and ANALCIME from classic localities.

10. Rare Dalnegorsk PSEUDOMORPH combination.

Filter By

Raspberry Garnet
Sierra de Cruces, Coahuila, Mexico
13.0 x 7.3 x 6.3 cm
Winning Bid: $2,383
Gemmy Calcite xls (2009 find)
Tieshan Fe-Cu deposit, Huangshi, Hubei, China
9.3 x 5.3 x 3.6 cm
Winning Bid: $210
Vanadinite on fossil clam (RARE!!)
Mibladen, Midelt, DrĂ¢a-Tafilalet Region, Morocco
5.4 x 5.2 x 3.5 cm
Winning Bid: $135
Ruby crystal with unicorn carving
Longido Dist., Arusha Region, Tanzania
Ex. Tim Sherburn
5.7 x 4.8 x 0.5 cm, 39 grams
Winning Bid: $110
Quartz with iron oxides
Black Pine Mine, Philipsburg Mining Dist., Granite Co., Montana, USA
Ex. Bill and Anne Cook
4.3 x 2.1 x 1.7 cm
Winning Bid: $105
Fluorite in Phlogopite Mica (unusual!)
Bancroft area, Ontario, Canada
Ex. Bill and Anne Cook
15.3 x 9.9 x 1.3 cm
Winning Bid: $105
Galena, Sphalerite and Siderite
2nd Sovetskii Mine, Dalnegorsk, Primorsky Krai, Russia
Ex. Bill and Anne Cook
10.0 x 7.4 x 5.8 cm
Winning Bid: $110
Color-zoned Fluorite (New Find - urban Beijing!)
ShunYi, Beijing, China
7.8 x 6.0 x 3.1 cm
Winning Bid: $257
Talc var. Steatite ps. Enstatite with Chlorapatite
Bamble, Vestfold og Telemark, Norway
Ex. Bill and Anne Cook
10.3 x 4.5 x 2.0 cm
Winning Bid: $110
Lazurite (Type Locality)
Sar-e-Sang, Kokcha Valley, Badakhshan, Afghanistan
7.4 x 6.6 x 5.0 cm
Winning Bid: $100
large Siderite ps. Hedenbergite
Dalnegorsk, Primorskiy Krai, Russia
Ex. Bill and Anne Cook
13.7 x 10.7 x 4.8 cm
Winning Bid: $307
Smithsonite (2 generations)
Tsumeb Mine, Tsumeb, Namibia
Ex. Bill and Anne Cook
13.3 x 8.2 x 7.2 cm
Winning Bid: $147
Sanbornite (rare silicate)
Esquire No. 1 claim, Rush Creek, Fresno Co., California, USA
Ex. Bill and Anne Cook
12.7 x 7.8 x 3.3 cm
Winning Bid: $98
Boltwoodite with Calcite
Goanikontes Claim, Arandis Con., Erongo Region, Namibia
Ex. Bill and Anne Cook
5.7 x 5.7 x 2.1 cm
Winning Bid: $96
Hubeite on Quartz
Fengjiashan Mine, Daye Co., Huangshi, Hubei, China
Ex. Bill and Anne Cook
10.3 x 9.8 x 7.3 cm
Winning Bid: $115
Sulfur on Calcite drill core
Comanche Creek Mine, Pecos Co., Texas, USA
Ex. Al Kidwell
6.3 x 6.3 x 5.4 cm
Winning Bid: $260
Fluorite - rare USA locale
Afton Canyon deposit, Cady Mts., San Bernardino Co., California, USA
Ex. Bob Reynolds
10.8 x 6.2 x 4.2 cm
Winning Bid: $165
Rutile on Feldspar & Lepidolite
Diamantina, Minas Gerais, Brazil
Ex. Kurt Hefendehl
9.7 x 6.8 x 3.3 cm
Winning Bid: $2,566
Azurite & Malachite
Milpillas Mine, Cuitaca, Sonora, Mexico
Ex. Kurt Hefendehl
7.0 x 5.0 x 4.3 cm
Winning Bid: $825
large Analcime (classic locale)
Rio Fromm, Kastelruth, South Tyrol, Trentino-Alto Adige, Italy
Ex. Vasco Trancoso
5.7 x 5.5 x 4.2 cm
Winning Bid: $100
Native Selenium (rare CA), Smithsonite & Pyrite
Darwin Mine, Darwin Mining Dist., Inyo Co., California, USA
Ex. Bob Reynolds
5.2 x 3.7 x 2.9 cm
Winning Bid: $164
Fluorapophyllite-(K) on Stilbite
Pashan quarries, Pune Dist., Maharashtra, India
Ex. Vasco Trancoso
8.8 x 5.5 x 4.3 cm
Winning Bid: $825
Cassiterite on Muscovite
Pingwu beryl mine, Mount Little Xuebaoding, Pingwu Co., Sichuan, China
Ex. Kurt Hefendehl
7.7 x 5.5 x 4.2 cm
Winning Bid: $525
Kassandra mining dist., Aristotelis, Central Macedonia, Greece
Ex. Vasco Trancoso
7.4 x 4.9 x 2.0 cm
Winning Bid: $60
Rhodochrosite with Quartz
Banska Stiavnica, Banska Bystrica Region, Slovakia
Ex. Vasco Trancoso
6.3 x 5.5 x 3.1 cm
Winning Bid: $101
Calcite (multi-generational)
Leiping Mine, Guiyang Co., Chenzhou, Hunan, China
Ex. Vasco Trancoso
9.1 x 7.3 x 5.2 cm
Winning Bid: $310
Lepidolite on Quartz
Brown Derby Mine, Quartz Creek Pegmatite Mining Dist., Gunnison Co., Colorado, USA
Ex. Bill and Anne Cook
12.2 x 8.2 x 6.8 cm
Winning Bid: $72
Galena with Siderite & Pyrite
Double Rainbow Mine, Galena Mining Dist., Lawrence Co., South Dakota, USA
Ex. Lee Burnett
9.7 x 7.0 x 6.2 cm, 805 grams
Winning Bid: $60
Calcite (2020 find)
Gunung Keriang, Alor Setar, Kota Setar Dist., Kedah, Malaysia
9.3 x 9.1 x 5.1 cm
Winning Bid: $125
Smoky Quartz (RARE Ohio specimen!)
John Nethers property, Flint Ridge, Muskingum Co., Ohio, USA
Ex. Bill and Anne Cook
9.5 x 5.5 x 5.4 cm
Winning Bid: $92