A neat divergent group of Proustite crystals measuring overall to 2cm sits amongst a druse of lenticular Calcite partly coated in minute Pyrite crystals. Crystals of Proustite are characteristically ruby-red to a metallic grey with lots of parallel growth to individual crystals. On a banded matrix of pinkish Calcite and mixed sulphides, from M?d?nec, Bohemia, Czech Republic.
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