4 août 2012
Chrome Tourmaline Landani, Tanzania
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Chrome Tourmaline Landani, Tanzania.
Superb gem quality crystal. Known as "Chrome" Tourmaline, it is actually a vanadium rich Uvite/Dravite. These are uncommon to find and this is of excellent quality, though dark green, backlighting reveals the high transparency, like green glass, 53 carats in weight.
