Special Mindat Benefit Auction!

We are honored to, once again, host a benefit auction for mindat.org, the world's largest mineral database. Mindat.org has been an invaluable resource for mineral enthusiasts, geologists, and researchers alike, providing access to a vast collection of mineralogical information. We are excited to offer an opportunity for people to support this important organization through our benefit auction. Join us in supporting mindat.org and help us ensure that this valuable resource continues to be available to everyone.

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Calcite
Elmwood Mine, Carthage, Smith Co., Tennessee, USA
9.7 x 8.9 x 5.0 cm
Current Bid: $625
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Mottramite and Calcite
Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
7.1 x 6.4 x 4.9 cm
Current Bid: $40
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Dioptase
Kapata Mine, Kolwezi, Mutshatsha, Lualaba, DR Congo
6.1 x 3.9 x 2.3 cm
Current Bid: $160
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Quartz with Hematite inclusions
Stromberg, Bad Kreuznach, Rhineland-Palatinate, Germany
Ex. H. Deisinger, Chris Roberge
15.9 x 10.4 x 9.1 cm
Starting Bid: $10
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Pyromorphite
Saint-Salvy Mine, Castres, Tarn, Occitanie, France
Ex. Ed Loye
3.1 x 3.0 x 2.3 cm
Current Bid: $86
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Grossular with Vesuvianite
Sierra de Cruces, Sierra Mojada Mun., Coahuila, Mexico
6.7 x 5.0 x 3.9 cm
Current Bid: $80
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Hemimorphite on Calcite
Ojuela Mine, Mapimí, Mapimí Mun., Durango, Mexico
10.6 x 7.6 x 4.4 cm
Current Bid: $242
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Grossular on Diopside
Belvidere Mountain Quarries, Lowell & Eden, Vermont, USA
5.0 x 4.2 x 3.2 cm
Current Bid: $45
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Silver
McMillianville, Gila Co., Arizona, USA
4.4 x 3.5 x 2.9 cm
Current Bid: $141
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Amethyst (Scepter) with Hematite inclusions
Gonarezhou, Chiredzi Dist., Masvingo, Zimbabwe
6.9 x 3.6 x 2.8 cm
Current Bid: $10
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Variscite, Crandallite, and Wardite slab
Little Green Monster Variscite Mine, Fairfield, Utah Co., Utah, USA
Ex. Dick Hauck, Rock Currier
8.3 x 5.5 x 1.6 cm
Current Bid: $120
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Groutite on Petrified Wood (old find)
Blackwater Mine, Apache Co., Arizona, USA
Ex. Ed Loye
5.3 x 3.1 x 2.8 cm
Current Bid: $30
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Copper with Silver
Houghton County Copper Mines, Michigan, USA
8.8 x 6.8 x 3.9 cm, 238 g
Current Bid: $45
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Aquamarine (Bi-color)
Erongo Mtns., Karibib Con., Erongo Region, Namibia
5.4 x 3.8 x 3.3 cm
Current Bid: $30
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Quartz (Herkimer diamond)
Herkimer Diamond Mine, Middleville, Herkimer Co., New York, USA
4.9 x 3.2 x 2.7 cm
Current Bid: $35
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Synthetic Quartz crystal
China
8.6 x 8.1 x 6.4 cm
Current Bid: $65
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Silver crystals on antique jewelry pin
Keweenaw Peninsula, Michigan, USA
Ex. Ed Loye
2.8 x 1.4 x 0.8 cm
Current Bid: $65
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Baryte (Oakstone)
Arbor Low, Derbyshire Dales Dist., Derbyshire, England, UK
Ex. Ed Loye
6.6 x 6.0 x 4.3 cm
Current Bid: $10
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Hematite
Irhoud Mine, Youssoufia Prov., Marrakesh-Safi Region, Morocco
8.3 x 7.2 x 4.5 cm
Current Bid: $10
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Calcite
Southwest Mine, Bisbee, Cochise Co., Arizona, USA
7.6 x 7.3 x 6.7 cm
Current Bid: $40
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Kidwellite with Strengite on Beraunite, Dufrenite and Rockbridgeite
Three Oak Gap, Polk Co., Arkansas, USA
11.1 x 8.3 x 6.5 cm
Current Bid: $30
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Canutite with Magnesiokoritnigite and Lavendulan
Torrecillas Mine, El Tamarugal Prov., Tarapaca Region, Chile
Ex. Paulo Matioli
6.0 x 4.0 x 3.5 cm
Current Bid: $10
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Acanthite ps. Stephanite with Polybasite and Argyrodite
Santiago Mine, Agua de Castilla, Antonio Quijarro Prov., Potosi Dept., Bolivia
Ex. Dr. Werner Paar
8.8 x 8.1 x 5.1 cm
Current Bid: $135
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Selenite with Kobyashevite
Ojuela Mine, Mapimi, Durango, Mexico
Ex. Gary Weaver
7.4 x 5.5 x 4.3 cm
Current Bid: $20
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)
Cafarsite (rare cabinet display specimen!)
Mt. Cervandone area, Ossola Valley, Verbano-Cusio-Ossola Prov., Piedmont, Italy
12.7 x 8.3 x 1.9 cm
Current Bid: $60
Time Left:
Close Time: 01/23/2025 6:30:00 pm (CST)