1765ns DRAVITE, Brumado Mine, Bahia, Brazil, 4 x 3 x 2 cm, Miniature | |
This is a pair of double terminated dark green Dravite, a variety of Tourmaline, crystals. The one side has a normal 3 faced termination. The other side has a multiple small terminations. The two crystals are side by side with 180 degrees out of phase. |