Mineral Specimen and Product Inventory Search
- Featured in Special Editions
- Silverfields mine, Cobalt dist., Ontario, Canada
- 9.5 x 8 x 1 cm - Cabinet
- Ore Minerals
Excellent slab of Galena with Arsenopyrite and Chalcopyrite mostly likely from Petruk's group 5 mineralization, the Fe-As assemblage. This assemblage is characterized be a high content of Arsenopyrite. Cobalt was a world class Silver deposit which was discovered by a blacksmith in 1903. The pop-up photos show some unique and unusual ore textures.
- Treece, Cherokee Co., Kansas, United States
- 14 x 7 x 7 cm - Cabinet
A wonderful cabinet specimen from this old-time and classic American locality. The Galena octahedral with some skeletal growth features and are around 1.5cm each. The matrix is chert with black Sphalerite crysatls to 5mm.
- Baxter Springs, Cherokee Co., Kansas, United States
- 7 x 6 x 5 cm - Sm Cabinet
An excellent old-timer from the Tri-State district. The crystals are octahedral to 2.6cm and many of the crystals show hoppered growth. It is an Ex. Feist collection piece.
Geology of the Black Hills of South Dakota
Documenting geology and maps for the following regions:
Blue Lead Mountain
Gold in the Black Hills – How New Deposits May Be Found
Helen Beryl, Elkhorn & Tin Mountain Pegmatites
Hill City Quadrangle
Southern Black Hills Pegmatites