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...
Hanksite (Type Locality) | Searles Lake, San Bernardino Co., California, USA | 30x25x20mm | No. 2517 |
Benitoite (blue) & Neptunite (black) with Natrolite (white) | California State Gem Mine, Santa Rita Peak, New Idria Mining District, California, San Benito Co., USA. [40x25x20mm]
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...
