Pyrite Sphalerite; Peru 252grams; Nice Big! Synergy_12 the Calcite columns are probably

the Calcite columns are probably a secondary growth formation

It has an amazing array of colors from light indigo purple to black

is Medford Quarry

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Dumortierite growth may be massive or radiating and fibrous

Pyrite Sphalerite; Peru 252grams; Nice Big! Synergy_12 the Calcite columns are probablyPyrite with Sphalerite. Polycrystalling growth patterns on the faces of the octahdral Pyrite. Metallic mirror luster; excellent shine! 252grams; 2. 51" x 1. 78" x 1. 86" Huanzala Mine, Huallanca, Bolognesi Province, Ancash, Peru.