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Dumortierite 10.59 ct.



70,00 €

1 left in stock

Dumortierite  10.59 ct.

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is an Aluminum Boro-Silicate Hydroxide with formula Al6.5 - 7(BO3)(SiO4)3(O, OH)3 and hardness of 7- 8.5 .

This material is rarely transparent,often opaque to translucent and is popular as a stone for carving or cabochon. This gem here is full facet and comes from Peru.

Size:13.6x13.5x8.9 mm.

Weight:10.59 ct.