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Measurements: 49 x 27 x 21 mm Description: A group of quartz crystals on a (mostly) quartz matrix. It displays well on a flat surface. The largest crystal has a flaw, while there is some damage to the edges of the specimen. Weight of Specimen: 23.4 g Chemical Composition: SiO2 Hardness on Mohs Scale: 7 Location: Ceres area, Western Cape, South Africa. Specimen Code: SWCC 022 US $ 22
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