Mineral Specimen and Product Inventory Search
SOLD
- Availability
- Sold
- Locality
- Washington Pass, Okanogan Co., Washington, United States
- Formula
- □Na2(Fe2+3Fe3+2)Si8O22(OH)2
- Size
- 1 x 1.5 x 1.2 cm - Thumbnail
Nice thumbnail specimen with very good black, striated crystals to 1cm on Microcline.
SOLD
- Availability
- Sold
- Locality
- Old Colony quarry, Quincy, Norfolk Co., Massachusetts, United States
- Formula
- □Na2(Fe2+3Fe3+2)Si8O22(OH)2
- Size
- 9 x 4.5 x 3.5 cm - Sm Cabinet
Compact fibrous crocidolite, a variety of Riebeckite. The color is a dark blue metallic-like luster.
