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Measurements: 86
x 56 x 51 mm
Description: An outstanding specimen with no damage! The single crystal has lovely gas inclusions and at the base it has a thin layer of basalt matrix. This smoky crystal is a top class Brandberg specimen.Chemical Composition: SiO2 Hardness on Mohs Scale: 7 Location: Brandberg, Namibia Specimen Code: NBB 003 US $ 2 490
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