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they are small and can be placed in a pocket
Stibnite has a long history of use in various industries due to its unique properties
positive energy
banded patterns
Calcite Specimen 3.5" Green Aventurine they are small and canThis unusual spiky Calcite specimen comes to us all the way from the Tonglushan Mine, Hubei Province in China! This Calcite specimen features intricate points of various heights while displaying a color combination of ruddish red and brown. Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate. The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 3 as "calcite". How is calcite formed?
