Size Small: 15 - 20 mm

Equinoids are also a favorite among those familiar with Paleontology (the study of the development of life on Earth)

Color: Spring Green

Weight: 94 Grams / 3

Gray Calcite on Green Crystal Matrix | 153.7 gr | Morocco Topaz Size Small: 15 - 20This 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