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Measurements: 90 x 58 x 40 mm Description: Citrine quartz crystals with inclusions, that could be hematite, sit on a quartz / basalt matrix. These crystals were originally amethyst, but were then baked at a high temperature, which turned the colour to citrine. The specimen has a few nicks. It displays well on a flat surface, all-round. The base of the matrix has been trimmed. Weight of Specimen: 172 g Chemical Composition: SiO2 Hardness on Mohs Scale: 7 Location: Minas Gerais, Brazil. Specimen
Code: OTH
002 R 400 .
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