Gray Calcite on Green Crystal Matrix | 153.7 gr | Morocco Stilbite This superb specimen is from

This superb specimen is from the gem pegmatites of Nooristan

55 Grams TW)

These beautiful and unique stones originated in Madagascar

Weight:  212

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Gray Calcite on Green Crystal Matrix | 153.7 gr | Morocco Stilbite This superb specimen is fromThis is an attractive specimen consisting of natural pale gray transparent crystals of Calcite on a green crystal matrix from Morocco. Very beautiful material. Calcite is found throughout the world in sedimentary, metamorphic, and igneous rocks. Some geologists consider it to be a "ubiquitous mineral" one that is found everywhere. Calcite is the principal constituent of limestone and marble. Name: Calcite Crystal Specimen Size: Cabinet Sized