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...
Colusite (TL) with Quartz, East Colusa Mine, Butte Mining District, Montana, USA. 50x40x35mm.
Stevensite after Pectolite, Paterson, New Jersey, USA. 45x35x25mm.
Hemispheres of bright vibrant red Mimetite, orange Wulfenite on a Quartz coated matrix. Rowley Mine, Painted Rock Mts, Maricopa Co., Arizona, USA. FOV 25mm.
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
Copper in/on Calcite with Epidote | Quincy Mine, Hancock, Houghton Co., Michigan, USA | 45x40x30mm | No. 2634
White Sanbornite (Type Locality), Gillespite (red) with Celsian (whitish/translucent) from Trumbull Peak, Incline, Mariposa Co, California, USA. [53x25x5mm] No. 2324.
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...