ggg VIVIANITE, Colera Mine, Forney, Idaho, 4 x 3 x 2 cm, Cabinet | |
Many if not most of the Vivianite crystals are transparent and colorless to blue and terminated. The crystals look almost black unless held up to a light (back lit). Then the gemmy clear crystal is seen. Crystals from 4 to 15 mm in length. Super specimen when viewed with a loop. Old time specimen from Gil Griffin collection. |