Botryoidal Amethyst Coloured Chalcedony - SKMF 004
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Measurements: 32 x 20 x 19 mm Description: Botryoidal amethyst coloured chalcedony from a relatively new find at N'Chwaning 3. There is some contact damage to this lovely specimen. Weight of Specimen: 11.4 g Chemical Composition: SiO2 Hardness on Mohs Scale: 6.5 - 7 Location: N'Chwaning 3, Kalahari Manganese Fields, Kuruman area, South Africa. Specimen Code: SKMF 004 US $ 65
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