











Rare Mineral Specimens - search page
- Availability
- Available
- Price
- $35.00
- Locality
- Etta mine, Pennington Co., South Dakota, United States
- Formula
- Fe2+Nb2O6
- Size
- 3 x 2 x 0.6 cm - Thumbnail
- Tagged
- pegmatite mineral
Small, striated crystal showing faces front and back and top.
- Availability
- Available
- Price
- $40.00
- Locality
- Etta mine, Pennington Co., South Dakota, United States
- Formula
- Fe2+Nb2O6
- Size
- 3.6 x 2.2 x 1 cm - Miniature
- Tagged
- pegmatite mineral
Tabular crystals with font and back faces and one side.
- Availability
- Available
- Price
- $40.00
- Locality
- Etta mine, Pennington Co., South Dakota, United States
- Formula
- Fe2+Nb2O6
- Size
- 3.6 x 2.5 x 1.2 cm - Miniature
- Tagged
- pegmatite mineral
Tabular crystal with faces front and back and a few on the sides.
- Availability
- Available
- Price
- $75.00
- Locality
- Alcaparrosa mine, Cerritos Bayos, Calama, El Loa, Antofagasta, Chile
- Formula
- Fe3+2(SO4)3·9H2O
- Size
- 5 x 4.5 x 2.6 cm - Miniature
Deep purple, translucent mass of excellent Coquimbite with patches of gold Metavoltine.
- Availability
- Available
- Price
- $25.00
- Locality
- Alcaparrosa mine, Cerritos Bayos, Calama, El Loa, Antofagasta, Chile
- Formula
- Fe3+2(SO4)3·9H2O
- Size
- 3 x 2.2 x 2.2 cm - Thumbnail
Deep purple crystalline mass.
- Availability
- Available
- Price
- $325.00
- Reduced Price
- $195.00
- Locality
- L'Etoile du Congo mine, Lubumbashi, Haut-Katanga, DR Congo
- Formula
- Cu3PO4(OH)3
- Size
- 16 x 9.5 x 2.5 cm - Cabinet
- Tagged
- phosphate, copper
Large plate covered by hundreds of lustrous blue crystals of Cornetite from 0.5mm to 5mm. Both sides are covered. Exceptional specimen.