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Fencooperite, gillespite, sanbornite

Out of stock

SKU: Y389 Categories: , , ,

Dimension: 10 × 12 × 21 mm

Tento produkt již nemáme v nabídce, ale pokud jej poptáváte, můžeme Vám nabídnout jiný, jakmile se v nabídce objeví.

Poptat minerál

Black grains of fencooperite in association with red grains of gillespite in white sanbornite. The clear, vitreous grains form Celsian. Fencooperite and gillespite are extremely rare silicates of barium and iron; fencooperite is found only at two localities in the world. Sanbornite is a very rare barium silicate. This sample of these rare minerals comes from the Trumbull Peak deposit in the USA, which is also the type locality for fencooperite and sanbornite. The samples were personally collected in 1973 by J. F. Cooper, after whom fencooperite is named.

Weight 4.5 g
Dimensions 10 × 12 × 21 mm
3
    3
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