Excellent Pyrite Cube Navajun Spain 48g Arsenopyrite plate incredible luster in this Fluorite

incredible luster in this Fluorite specimen

* Pleochroism is an optical phenomenon in which a substance - mineral - has different colors observed at different angles and light

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excellent example of a plate of an incalculable number of Arsenopyrite crystals exhibiting pseudo-octahedral morphology

Excellent Pyrite Cube Navajun Spain 48g Arsenopyrite plate incredible luster in this FluoriteExhibited is a well formed, beautiful higher quality** crystal specimen with attractive mirror like metallic luster and fascinating growth patterns on faces. 48 grams. 1. 55" x 1. 11" x 1. 45" or 39. 4mm x 28. 4mm x 36. 8mmLargest Cube = 0. 63" or 16. 1mmPyrite is a beautiful iron sulfide (disulfide) mineral found in many geological formations from sedimentary deposits to hydrothermal veins and as part of metamorphic rocks. Named in antiquity from the