Beautiful Pyrite Cube Navajun Spain 52g rhombohedral crystals less common specimen

less common specimen

Yellow core with Barite

As might be expected

almost black or dark green with speckled milky white patches of white Fluorite

Beautiful Pyrite Cube Navajun Spain 52g rhombohedral crystals less common specimenExhibited is a well formed, beautiful higher quality** crystal specimen with attractive mirror like metallic luster and fascinating growth patterns on faces. 48 grams. 1. 42" x 1. 66" x 1. 46" or 36. 2mm x 42. 3mm x 37. 1mmLargest Cube = 0. 62" or 15. 8mmPyrite 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