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Amethyst with Cristobalite 29.32 ct.

#8186

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995,00 €

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Amethyst with Cristobalite  29.32 ct.

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Amethyst with Cristobalite

The Cristobalite is one of the three silica forms, it crystallized at an higher temperature compare to quartz: 1710C° instead for the quartz is 870 C° and the tridimite is 1470C°.

Generally the crystals are fibrous-rounded balls and in this amethyst are very visible.

Unusual stone for collector.Best piece I ever had.

Size: 22.4x17x9.4 mm.

Weight: 29.32 ct.

CODE#8186

OriginBrasile

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