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Kornerupine 0.93 ct.

#3991

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40,00 €

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50,00 €

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Kornerupine  0.93 ct.

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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 found in various colors: green, blue brown and yellow.

The hardness is 6-7.

This stone comes from Madagascar . Eye clean.

Size:6x6x4 mm.

Weight:0.93 ct.

CODE#3991

OriginMadagascar

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