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Amethyst with cristobalite 4.01 ct.

#3515

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64,00 €

-20%

80,00 €

1 left in stock

Amethyst with cristobalite 4.01 ct.

More details

Quartz 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.

Size:11.5x8.8x5.1 mm.

Weight:4.01 ct.

CODE#3515

OriginBrasile

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