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Green Tourmaline - NKB 004 |
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Measurements:
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70 x 62 x 33 mm
Description: Green tourmaline (elbaite) crystals in rock crystal. The longest tourmaline is 46 mm, but only the ends protrude from the rock crystal. The longest single tourmaline, which is on the surface and only covered by the rock crystal on a small section, is 30 mm long, and not terminated. Chemical Composition: Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 Location: Karibib, Erongo Region, Namibia. Specimen Code: NKB 004 US $ 80
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