Fine Mineral Specimens Over $50
- 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.
SOLD
- Availability
- Sold
- Locality
- Uranus mine, Annaberg-Buchholz, Erzgebirge, Saxony, Germany
- Formula
- Ca3Mg2(AsO4)2(AsO3OH)2 ยท 4H2O
- Size
- 2 x 2 x 1.5 cm - Thumbnail
Murky spheroidal crystals. Rich.
- Availability
- Available
- Price
- $250.00
- Locality
- Lac Alaotra pematite, Ambatondrazaka dist., Alaotra-Mangoro, Madagascar
- Formula
- BeAl2O4
- Size
- 2 x 1.7 x 033 cm - Cabinet
- Tagged
- beryllium
Yellowish green twinned crystals. Very good specimen.
SOLD
- Availability
- Sold
- Locality
- Bessie G mine, La Plata Co., Colorado, United States
- Formula
- HgTe
- Size
- 2 x 1.5 x 1.5 cm - Thumbnail
- Tagged
- tellurium
Metallic Coloradoite with Gold.
SOLD
- Availability
- Sold
- Locality
- Alto Ligonha dist., Zambezia prov., Mozambique
- Formula
- Fe2+Nb2O6
- Size
- 4.2 x 2 x 0.5 cm - Miniature
- Tagged
- pegmatite mineral
A single complete crystal, terminated with deep, typical, striations.
SOLD
- Availability
- Sold
- Locality
- Etta mine, Pennington Co., South Dakota, United States
- Formula
- Fe2+Nb2O6
- Size
- 5.5 x 5.5 x 1.2 cm - Sm Cabinet
- Tagged
- pegmatite mineral
Thick tabular, heavily striated crystal of black Columbite. Faces on front and back, but not the sides.
