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Kornerupine ct. 1.01



45,00 €

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Kornerupine ct. 1.01

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Kornerupine Is a Magnesium Aluminium Iron Boron silicate Hydroxide with formula : Mg4(Al, Fe)6(Si, Al, B)5O21(OH). Is a quite rare mineral and it is fond in various colors: green, blue brown and yellow. The hardness is 6-7. This stone comes from Madagascar . Size: 6x6.9x3.9 mm. Weight: 1.01 ct. CODE#2299

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