Mineral: Beryl (variety emerald), Calcite
Locality: La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
Dimensions: 115x75x115mm, xl=20mm
Description: A close-up of the termination.
On a second thought, it is likely a contact deformity followed by natural dissolution of the various faces.
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