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 “cap” Microcline (Var: Amazonite) | “Flat Rock”, Lake George, Crystal Peak, Colarado, USA | 50x30x25mm | No. 1605 |
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.
Orpiment from Cut 62, Twin Creeks Mine, Humboldt County, Nevada, USA. FOV 40mm.
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...
