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Cancrinite 3.05 ct.



60,00 €

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Cancrinite  3.05 ct.

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Is a Sodium Calcium Aluminum Silicate Carbonate with formula: Na6Ca2Al6Si6O24(CO3)2 .

Is one of the rarer member of the Feldspathoid group of minerals. Although is a silicate it react with warm hydrochloric acid. The hardness is 5-6

The crystal are always translucent, rarely are transparent, clean tones are a great rarity.

This gem comes from Bancroft, Ontario,Canada.

Size:11.2x8.2x6 mm.
Weight: 3.05 ct.



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