Rare Mineral Specimens - search page
- Availability
- Available
- Price
- $30.00
- Locality
- Bou Skour mine, Ourzazate prov., Morocco
- Formula
- Cu2+6Y(AsO4)3(OH)6ยท3H2O
- Size
- 1.7 x 1.5 x 1 cm - Thumbnail
- Tagged
- arsenate, copper
- Special Info
- Type Locality
Bluish green acicular crysatls in bunches to 1mm.
- Availability
- Available
- Price
- $60.00
- Reduced Price
- $30.00
- Locality
- Rawhide mine, Mohave Co., Arizona, United States
- Formula
- PbSiO3
- Size
- 3.5 x 2.5 x 3 cm - Miniature
Pearly white micro crystals and rounded spheres.
- 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
- $85.00
- Locality
- Metcalf mine, Greenlee Co., Arizona, United States
- Formula
- Cu3(CO3)2(OH)2
- Size
- 8.5 x 5.5 x 3.3 cm - Sm Cabinet
- Tagged
- carbonate, copper
Rich blue superb crystals of Azurite in sheaf-like bundles. It is lustrous and displays well.
- Availability
- Available
- Price
- $75.00
- Locality
- Silver Crater mine, Bancroft, Ontario, Canada
- Formula
- A2(Ti,Nb)2O6Z
- Size
- 2 x 2 x 2 cm - Thumbnail
- Special Info
- Radioactive!!
Once known simply as the mineral species, Betafite, now in a complex mineral group called the Betafite group, which belongs to the super group of Pyrochlores with a complicated nomenclature. Compositionally, Betafites are oxides of titanium and niobium with variable subtitutions of cations uranium and calcium in the A position and variable amounts of anions O, OH, H2O, or F in the Z position.
This specimen, like the others show the cubic and octahedral forms with sharp edges.
- Availability
- Available
- Price
- $45.00
- Locality
- Silver Crater mine, Bancroft, Ontario, Canada
- Formula
- (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
- Size
- 1.5 x 1.5 x 1.5 cm - Thumbnail
- Special Info
- Radioactive!!
Smaller crystal with black faces.