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Willemite-calcite-franklinite-zincite 5.19 ct.

#4737

New

85,00 €

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Willemite-calcite-franklinite -zincite 5.19 ct.

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Willemite-Calcite + Franklinite + zincite

Is an important zinc ore ,mainly found at Franklin, New Jersey. A zinc oxide with formula: Zn2SiO4 and hardness of 5.5. In this case is associated with calcite ( red) and Franklinite ( black).The zincite is dark red and is inert.

Is highly fluorescent in green at short wave U.V. light

A real must for a collector who want something special.

Size: 9.5x9.5x7.3 mm.
Weight: 5.19 ct.

CODE#4737

OriginNew Jersey

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