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Chromite 9.18 ct.



61,00 €

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Chromite 9.18 ct.

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Is an Iron Chromium Oxide with formula FeCrO4 , hardness is 5.5. A very stable mineral under pressure and heat conditions. In fact it is capable of going through the metamorphic process unscathed,while other minerals around are altered. An unusual facet gemstone for the collector . It comes from the Green Mountain, North Carolina, Yancey County. Size:12.5x12.5x7.4 mm. Weight:9.18 ct. CODE#3022

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