Rare Mineral Specimens - search page
- Availability
- Available
- Price
- $45.00
- Locality
- Wheal Gorland, St. Day dist., Cornwall, England
- Formula
- Cu2Al7(AsO4)4(OH)13·12H2O
- Size
- 7 x 4.5 x 2 cm - Sm Cabinet
- Tagged
- arsenate, copper
Light blue coatings.
- Availability
- Available
- Price
- $35.00
- Locality
- Crinnis mine, Carlyon Bay, Cornwall, England
- Formula
- Fe2+AlPO4(OH)2·H2O
- Size
- 4 x 2.5 x 2 cm - Miniature
- Tagged
- phosphate
Colorless cone-shaped crystals to 1mm in fine-grained slate.
- Availability
- Available
- Price
- $60.00
- Locality
- Shkatulka peg., Umbozero mine, Alluaiv Mt., Lovozero, Kola Peninsula, Russia
- Formula
- Na2BeSi2O6
- Size
- 2 x 2 x 1.2 cm - Thumbnail
- Tagged
- beryllium
- Special Info
- XRD Confirmed
- Special Info
- EDS Confirmed
White, translucent crystalline specimen. Chkalovite is a rare beryllium silicate described in 1939, found Quebec, Greenland and Russia. This specimen is composed of nearly all white to clear Chkalovite. It was identified by Dr. Igor Pekov.
- Availability
- Available
- Price
- $15.00
- Locality
- Nitzelbuch mine, Auerbach, Upper Palatinate, Bavaria, Germany
- Formula
- YPO4·2H2O
- Size
- Chip < 1cm
- Tagged
- phosphate, REE mineral
Vial full of chip sample with white Churchite crystals.
- Availability
- Available
- Price
- $45.00
- Locality
- Etta mine, Pennington Co., South Dakota, United States
- Formula
- Fe2+Nb2O6
- Size
- 8 x 4.5 x 4 cm - Sm Cabinet
- Tagged
- pegmatite mineral
Large chunk of Columbite-Tantalite showing no crystal faces. Famous US pegmatite.
- Availability
- Available
- Price
- $45.00
- Locality
- Etta mine, Pennington Co., South Dakota, United States
- Formula
- Fe2+Nb2O6
- Size
- 4 x 3 x 1.2 cm - Miniature
- Tagged
- pegmatite mineral
Tabular striated crystal with front and back and sides.
