2023 Dallas Mineral Collecting Symposium Auction

Thanks for exploring this year's Dallas Symposium Benefit Auction, closing on SATURDAY, August 19th at 6:00 PM CT. Auction proceeds benefit Mineralogical Record, Rocks & Minerals, Tucson Gem and Mineral Society, and mindat.org. 

We have 30+ items available here, including fine minerals, unique experiences, and special mineralia! 

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Bournonite
Yaogangxian Mine, Hunan Prov., China
4.1 x 2.3 x 1.6 cm
Winning Bid: $600
Dave Wilber's Business card / Measuring Ruler
Ex. Dr. Rob Lavinsky
7.7 x 3.3 x 0.2 cm
Winning Bid: $470
Vauxite
Siglo Veinte Mine, Llallagua, Rafael Bustillo Prov., Potosí, Bolivia
Ex. Martin Zinn, Vasco Trancoso
4.4 x 4.3 x 2.9 cm
Winning Bid: $880
Krohnkite
Chuquicamata Mine, Antofagasta, Chile
6.2 x 4.1 x 1.9 cm
Winning Bid: $1,200
Fluorite with Hematite & Baryte (Illustrated)
Erika Mine, Wolsendorf Fluorite Mining Dist., Upper Palatinate, Bavaria, Germany
Ex. Kay Robertson
8.6 x 6.8 x 4.5 cm
Winning Bid: $610
Fluorapatite intergrown with Spessartine Garnet
Kunar Prov., Afghanistan
Ex. Gene Meieran
8.4 x 6.6 x 5.4 cm
Winning Bid: $3,451
Metatorbernite
Musonoi Mine, Kolwezi, Lualaba, DR Congo
4.9 x 4.5 x 2.7 cm
Winning Bid: $5,105
Pyrite and Sphalerite
Huanzala Mine, Huallanca Dist., Huanuco Dept., Peru
Ex. Dr. Art Soregaroli
10.6 x 6.5 x 3.5 cm
Winning Bid: $1,050
Rhodochrosite
N'Chwaning I Mine, Kuruman, KMF, Northern Cape, South Africa
Ex. Philadelphia Academy of Natural Sciences, Vasco Trancoso
6.3 x 4.0 x 3.3 cm
Winning Bid: $10,900
Smoky Quartz (Gwindel) on Quartz
Dodo Mine, Saranpaul, Prepolar Ural Mtns., Western-Siberian Region, Russia
Ex. Richard A. Kosnar
11.0 x 11.0 x 5.5 cm
Winning Bid: $3,050