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Schorl Crystals on Feldspar Matrix - NER 020 |
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Measurements:
37 x 36 x 17
mm
Description: A lovely cluster of black tourmaline (schorl) on a matrix of feldspar. The tourmalines have a high lustre, and there is only slight damage at the sides and bottom of the specimen. Chemical Composition: NaFe2/3+Al6(BO3)3Si6O18(OH)4 Location: Erongo Mountains, Erongo Region, Namibia. Specimen Code: NER 020 US $ 40 |
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