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B240 - Chrome Tourmaline $ 280 Landanai, Tanzania thumbnail - 1.7 x 0.9 x 0.9 cm Terminated single gem crystal of Chrome Tourmaline which is a chromium and vanadium rich Dravite. Complete all around with deep emerald green coloration at the termination and a more yellow green at the base. Note that some from this find such as this one have an unusual indented crystal form at the very tip. The three outer triangular faces of the termination are flat, while the center triangle goes inward. ©2010-2018 Marin Mineral |