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Kernite ct.19.70

#1879

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976,00 €

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1 220,00 €

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Kernite ct.19.70

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Kernite Is a Hydrated Sodium Borate Hydroxide with formula: Na2B4O6(OH)2-3H2O Can be considered a metamorphic mineral as it is thought to form fro the recrystallization of Borax due to mild heat and pressure. It is found in arid climate where it accumulate in shallow lakes where evaporation leaves a deposit of various Borate minerals. The hardness is 2.5 and a splintery cleavage make it very difficult to cut and polish. This gem here comes from a classic location: Kern County, California. For collectors! Size: 27.5x13.8x10.5 mm. Weight: 19.70 ct. CODE # 1879
Weight19.7
OriginCalifornia