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Measurements: 68 x 32 x 27 mm Description: A schorl crystal (variety foitite) sits on a group of quartz crystals with a few small schorl crystals as well as a coating of minute (what appears to be) goethite crystals. There are also bits of feldspar. The specimen displays well on a flat surface. Weight of Specimen: 30.0 g Chemical
Composition: SiO2 (quartz) Hardness on Mohs
Scale: (quartz) 7 Location: Erongo Mountains, Erongo Region, Namibia. Specimen Code: NERS 021 US $ 35
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