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Schorl Crystal - NER 039 |
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Measurements:
28 x 24 x 21 mm
Description: A gemmy, double terminated black tourmaline with some small crystals and feldspar attached to one of the terminations. There are a couple of pressure marks and nicks to this, otherwise, high quality specimen. Chemical Composition: NaFe2/3+Al6(BO3)3Si6O18(OH)4 Location: Erongo Mountains, Erongo Region, Namibia. Specimen Code: NER 039 US $ 35 |
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