Mineral Specimen and Product Inventory Search
- Availability
- Available
- Price
- $195.00
- Locality
- Mina Ojuela, Mapimi, Durango, Mexico
- Formula
- ZnFe3+2(AsO4)2(OH)2·4H2O
- Size
- 5 x 4 x 2 cm - Miniature
- Tagged
- arsenate
- Special Info
- Type Locality
White formless masses of silky, white Ojuelaite near the center of the specimen with more typical fibrous crystals near the edges. Excellent specimen, very rare.
- Availability
- Sold
- Locality
- Mina Ojuela, Mapimi, Durango, Mexico
- Formula
- ZnFe3+2(AsO4)2(OH)2·4H2O
- Size
- 4 x 3 x 2.5 cm - Miniature
- Tagged
- arsenate
- Special Info
- Type Locality
White mass of compact. silky, fibrous crystals of very rare Ojuelaite. The mass is 6mm across. Four or five occurences worldwide. This is the type locality.
- Availability
- Sold
- Locality
- Kolemainen quarry, Amherst, Hillsborough Co., New Hampshire, United States
- Formula
- Na0.9-0.7Ca0.1-0.3Al1.1-1.3Si2.9-2.7O8
- Size
- 6 x 5 x 5.5 cm - Sm Cabinet
Great crystals of to 1.7cm in pegmatite matrix.
- Availability
- Sold
- Locality
- White Cap mine, Pennington Co., South Dakota, United States
- Formula
- KFe2+2NbO2(PO4)2·2H2O
- Size
- 1.5 x 1.2 x 1.2 cm - Thumbnail
- Tagged
- phosphate, pegmatite mineral
- Special Info
- Type Locality
Siderite and smoky Quartz matrix with one little area of around 1mm with a root-beer colored Olmsteadite crystal. The crystal shows faces and is striated. The color is unusual and distiguished from tiny orange crystals elsewhre in the matrix, which are secondary Sphalerite crystals.
- Availability
- Sold
- Locality
- Rawhide, Mineral Co., Nevada, United States
- Size
- 8 x 7.5 x 6 cm - Sm Cabinet
White opalescent mass of with dendritic growths of manganese.
- Availability
- Available
- Price
- $30.00
- Locality
- Valenciana mine, Guanajuato, Mexico
- Formula
- K(AlSi3)O8
- Size
- 6 x 5 x 2 cm - Sm Cabinet
Lustrous white crystal plates of Orthoclase variety adularia to over 2cm with several smaller 2mm crystals. Some Quartz crystals are present.
