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Breunnerite 2.87 ct.



40,00 €

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Breunnerite  2.87 ct.

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also named Ferroan-Magnesite ( magnesium,iron carbonate ) with formula (Mg,Fe2+)CO3 and hardness of 4.5.

Is a magnesite variety with higher iron content between 5 and 30%.

partial transparent/opaque with flaws, uncommon mineral that

comes from Val di Vizze, Bolzano province, Italy.

Size :9x9x5.8 mm.

Weight:2.87 ct.



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