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Topaz with columbite -fluorite 19.07 ct.



190,00 €

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Topaz with columbite -fluorite  19.07 ct.

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Topaz with Columbite and fluorite

A rare Niobium and Tantalium mineral very difficult to find pure. Normally is mixed with Tantalite forming prismatic crystals, rarely acicular or fibrous .

Quite often we can see these needles-like forming a cluster or floating in the topaz like spears in the sky .In this case is associate also some colorless fluorite crystals.

From Minas Gerais, Brazil.

Size:13.5x10.2x10 mm.

Weight:19.07 ct.



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