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Schorl Crystals on Feldspar Matrix- NER 021 |
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Measurements:
33 x 30 x
24½ mm
Description: A lovely cluster of black tourmaline (schorl) on a matrix of feldspar. The tourmalines have a high lustre. The main crystal has some damage and a few nicks, and there is some damage at the bottom where it has broken off the rest of the matrix. Chemical Composition: NaFe2/3+Al6(BO3)3Si6O18(OH)4 Location: Erongo Mountains, Erongo Region, Namibia. Specimen Code: NER 021 US $ 40 |
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