Mineral Specimen and Product Inventory Search
- Availability
- Available
- Price
- $35.00
- Locality
- Coal Hill Lead vein, Rossie, St. Lawrence Co., New York, United States
- Formula
- TiO2
- Size
- 3 x 2.5 x 2 cm - Thumbnail
Translucent blue crystals less than 1mm with a unique square termination.
- Availability
- Available
- Price
- $40.00
- Locality
- Nightingale dist., Pershing Co., Nevada, United States
- Formula
- Ca3Fe3+2(SiO4)3
- Size
- 3.8 x 3 x 2 cm - Miniature
Fine Andradite crystals to 9mm. The color is darker than the photos.
- Availability
- Available
- Price
- $25.00
- Locality
- Northwest of Sasabe, Arizona, United States
- Formula
- PbSO4
- Size
- 8 x 5 x 3.5 cm - Sm Cabinet
Grey alterations rim around parent Galena with blue Chrysocolla.
- Availability
- Available
- Price
- $35.00
- Featured
- Featured in Special Editions
- Locality
- Redruth, Cornwall, England
- Formula
- KFe2+3(Si3Al)O10(OH)2
- Size
- 7 x 5.5 x 3 cm - Sm Cabinet
Bronzy black Annite flakes throughout mass.
Biotite has historically been treated as an individual mineral species by geologist. Rieder et. al in the Canadian Mineralogist v. 36 (1998), reclassified and placed Biotite within the Annite-Phlogopite series.
Biotite is a phyllosilicate of the Mica group and is classified as an ordinary (True or Common) mica meaning it has flexible cleavage plates. For more information on Mica minerals and other phyllosilicates please reference our article - Click Here.
- Availability
- Available
- Price
- $50.00
- Locality
- Widowmaker mine, White Canyon, San Juan Co., Utah, United States
- Formula
- Cu2+3SO4(OH)4
- Size
- 6 x 8 x 2.5 cm - Sm Cabinet
- Tagged
- copper
Green finely crystalline Antlerite with carbonatecyanotrichite on the backside.
- Availability
- Available
- Price
- $25.00
- Locality
- Huelva, Andalusia, Spain
- Formula
- CaCO3
- Size
- 4.5 x 2.5 x 2 cm - Miniature
- Tagged
- carbonate
Cool oolitic Aragonite, variety ktypeite.
