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Measurements: 40 x 37 x 15 mm Description: Gemmy, drusy amethyst quartz crystals sit on a basalt matrix. Some of the quartz crystal terminations have minute to small nicks, while there is damage to some of the specimen's edges. The base has been trimmed for better display. When displaying your amethyst specimens, keep in mind that the colour tends to fade when exposed to sunlight. Weight of Specimen: 38.2 g Chemical Composition: SiO2 (quartz) Hardness
on Mohs Scale: (quartz) 7 US $ 45 .. .
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