Rare Mineral Specimens - search page
- Availability
- Available
- Price
- $15.00
- Locality
- Griessertal, Switzerite
- Formula
- AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O) 2
- Size
- Thumbnail
Fibrous green Actinolite.
- 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
- $125.00
- Locality
- Khan Bogdo Massif, Gobi Desert, Mongolia
- Formula
- CaZrSi6O15ยท2.5H2O
- Size
- 2 x 1 x 1 cm - Thumbnail
Light pink cleaved crystal grains to 7mm. Excellent and rich specimen.
SOLD
- Availability
- Sold
- Locality
- Nickel Plate mine, Pennington Co., South Dakota, United States
- Formula
- (KNa)Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2
- Size
- 3.3 x 2.5 x 2 cm - Miniature
- Tagged
- phosphate, pegmatite mineral
Arrojadite is a primary pegmatite phosphate. Yet, it doesn't really ever breakdown into secondary phosphates that I know of. It is a dark glassy green mineral.
SOLD
- Availability
- Sold
- Locality
- Mt. Rasvumchorr, Khibiny Massif, Kola Peninsula, Russia
- Formula
- K2NaFe2+7Ti2(Si4O12)2O2(OH)4F
- Size
- 9 x 5 x 3.5 cm - Sm Cabinet
Astonding golden micaceous Astrophyllite.
- Availability
- Available
- Price
- $35.00
- Locality
- Gold Hill mine, Tooele Co., Utah, United States
- Formula
- CaZnAsO4(OH)
- Size
- 5 x 5.5 x 5 cm - Sm Cabinet
- Tagged
- arsenate
Light yellow prismatic and very lustrous Austinite photos to 3mm. Good coverage on two sides. 5Nice piece.
