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Uranopyrochlore 3.29 ct.

#4796

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100,00 €

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Uranopyrochlore  3.29 ct.

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Uranopyrochlore

synonym od uranpyrochlore is a radioactive mineral with formula (U,Ca,Ce)2(Nb,Ta)2O6(OH,F) and hardness of 4-5. Is a uranium cacium cerium hydroxy-fluoro-niobate/tantalate.It has a non metallic luster with blackish color. The lower part of the stone is matrix.It comes from South Platte Pegmatite District,Front Range,Jefferson County,Colorado,USA.

Size: 8.6x7.1x5 mm.

Weight: 3.29 ct.

CODE#4796

OriginColorado

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