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Potassic-Magnesio-hastingsite 1.55 ct.

#3762

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Potassic-Magnesio-hastingsite  1.55 ct.

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Potassic-Magnesio-hastingsite

A complex silicate that belong to the amphibole group: the formula is

(K,Na)Ca2(Mg,Fe++,Fe+++,Al)5(Si,Al)8O22(OH,Cl)2 and hardness 6 .

Unusual mineral from an interesting location: alluvial Galcier field on Lapie River,St.Cyr Range, 23 Km s/w of Ross River, Yukon Territory,Canada.

Size: 7.5x7.5x5.4 mm.

Weight:1.55 ct.

CODE#3762

OriginCanada

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