3167 Trona, FMC Green River Trona Mine, USA
Trona | FMC Green River Trona Mine, Green River Basin, Sweetwater County, Wyoming, USA | 35x33x25mm |
United States
2741 ‘Crestmoreite’, Tobermorite, Ellestadite, Crestmore quarries, California, USA
Old-school specimen of “crestmoreite” (white) in blue Calcite. Originally reported from Crestmore quarries, Crestmore, Riverside Co., California, USA. Taylor (1953) showed that crestmoreite is a submicroscopic intergrowth of “wilkeite” and tobermorite. This specimen hosts snow-white...
2742 Colusite (TL) with Quartz, East Colusa Mine, Butte Mining District, Montana, USA
Colusite (TL) with Quartz, East Colusa Mine, Butte Mining District, Montana, USA. 50x40x35mm.
2729 Stevensite after Pectolite, Paterson, New Jersey, USA
Stevensite after Pectolite, Paterson, New Jersey, USA. 45x35x25mm.
3080 Wulfenite on Baryte, Rowley Mine, USA
Wulfenite on Baryte, Rowley Mine, Painted Rock Mts, Maricopa Co., Arizona, USA. 32x20x30mm.
3081 Mimetite on Quartz, Rowley Mine, Arizona, USA
Hemispheres of bright vibrant red Mimetite, orange Wulfenite on a Quartz coated matrix. Rowley Mine, Painted Rock Mts, Maricopa Co., Arizona, USA. FOV 25mm.
2706 Shattuckite, Ajoite (Type Locality), New Cornelia Mine (Ajo Mine), USA
Dark blue Shattuckite with blue-green Ajoite (Type Locality) | New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mountains, Ajo Mining District, Pima County, Arizona , USA | 40x40x35mm | No. 2706
2634 Copper in/on Calcite with Epidote, Quincy Mine, Michigan, USA
Copper in/on Calcite with Epidote | Quincy Mine, Hancock, Houghton Co., Michigan, USA | 45x40x30mm | No. 2634
1605 Microcline (Var: Amazonite), Colarado, USA
White “cap” Microcline (Var: Amazonite) | “Flat Rock”, Lake George, Crystal Peak, Colarado, USA | 50x30x25mm | No. 1605 |
2517 Hanksite, Searles Lake, California, USA
Hanksite (Type Locality) | Searles Lake, San Bernardino Co., California, USA | 30x25x20mm | No. 2517 |
2207 Benitoite, California State Gem Mine, USA
Benitoite (blue) & Neptunite (black) with Natrolite (white) | California State Gem Mine, Santa Rita Peak, New Idria Mining District, California, San Benito Co., USA. [40x25x20mm]
2324 Sanbornite, Gillespite, Celsian, Trumbull Peak, USA
White Sanbornite (Type Locality), Gillespite (red) with Celsian (whitish/translucent) from Trumbull Peak, Incline, Mariposa Co, California, USA. [53x25x5mm] No. 2324.
1939 Orpiment | Twin Creeks Mine
Orpiment from Cut 62, Twin Creeks Mine, Humboldt County, Nevada, USA. FOV 40mm.
1914 Neptunite, Joaquinite-(Ce) – California State Gem Mine
Na2KLiFe2+2Ti2Si8O24 Neptunite is a silicate mineral named for Neptune, the Roman god of the sea. It was first described in 1893 for an occurrence at the type locality for the species – Narssârssuk pegmatite, Narsaarsuk...