Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- Repete mine, San Juan Co., Utah, United States
- Formula
- (UO2)3(Se4+O3)2(OH)2·5H2O
- Size
- Miniature 4x3.5x3cm
- Special Info
- Type Locality
Bright yellow acicular crystals to about 0.75mm in 1-2mm groups. Good coverage.
- Availability
- Sold
- Locality
- Repete mine, San Juan Co., Utah, United States
- Formula
- (UO2)3(Se4+O3)2(OH)2·5H2O
- Size
- Miniature 4.5x3x1.5cm
- Special Info
- Type Locality
Bright, glassy, radial groups of rare Haynesite to 2mm. The total cluster is 10 x 5mm area.
- Availability
- Sold
- Locality
- Repete mine, San Juan Co., Utah, United States
- Formula
- (UO2)3(Se4+O3)2(OH)2·5H2O
- Size
- Miniature 4.5x4x2.5cm
- Special Info
- Radioactive!!
- Special Info
- Type Locality
Bright yellow acicular micro crystals on sandstone. Excellent, well-defined specimen.
- Availability
- Sold
- Locality
- Hechtsberg quarry, Hausach, Black Forest, Baden-Württemberg, Germany
- Formula
- Bi2O(VO4)(OH)
- Size
- Thumbnail 2x2x0.6cm
- Tagged
- vanadium
- Special Info
- Type Locality
Excellent glassy brown crystals scattered wiht yellow crystals of Eulytine. Very nice piece.
- Availability
- Sold
- Locality
- Nikolaevskiy mine, Dal'negorsk, Russia
- Formula
- CaFe2+Si2O6
- Size
- SmCabinet 8x7x2.5cm
Faned out columnar crystals of Hedenbergite from 5 to 8cm. The cross sections of the crystals are rectangular and the color is a dark green.
