17aadwt ((BOHMITE)), $10 MINIMUM BID, Saga 2 Mine, Tvedalen, Norway, 2.5 x 2 x 2 cm, Thumbnail | |
Here is a AlO(OH) species. Yellow crystals in a small vug with the white matrix probably being Natrolite. Bohmite is a major constituent of the Aluminum ore, Bauxite. |