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Measurements: 80 x 55 x 26 mm Description: Drusy amethyst quartz crystals with beautiful colouring, sit on an chalcedony matrix. The only notable damage is to the edges of the specimen. It displays well on a flat surface, all-round. When displaying your amethyst
specimens, keep in mind that the colour tends to fade when exposed to
sunlight. Chemical Composition: SiO2 (quartz and chalcedony) Hardness on Mohs Scale: (quartz and chalcedony) 7 Location: Brazil Specimen Code: OTH 031 R
400 . . . .
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