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Gaylussite ct. 1.80



268,40 €

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Gaylussite ct. 1.80

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GaylussiteIs a mineral formed in desertic areas ,where the rich salt water precipitates and forms crystals ( evaporite ) The formula is Na Ca (Co3)2 *5H2O , a hydrated calcium sodium carbonate. Is also unstable and can be dehydrated in air and dissolve in water. The hardness is like calcite : 2.5 This gem comes from Searles Lake ,California . A collectors item, rare to be find in faceted gem. Small visible inclusions. Size: 14.2x7.5x4.9 mm. Weight: 1.80 ct. CODE#1738

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