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Boracite 3.60 ct.



70,00 €

1 left in stock

Boracite  3.60 ct.

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Is a Magnesium Borate Chloride with formula Mg3B7O13Cl and hardness of 7-7.5.

Occurs as blue, green,gray yellow to colorless-white small crystals or in the massive translucent form. Slight soluble in water. Untreated, From Boulby ,Cleveland,U.K.

Size:8.8x8.9x6.5 mm.

Weight:3.60 ct.


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