Blue Apatite is a calcium phosphate [Ca₅(PO₄)₃(F

each one long associated with voice and expression

or anyone who wants one stone from each register of concentrated attention

In the root and solar plexus chakra tradition

Obsidian is rapidly cooled volcanic glass—a mineraloid rather than a true mineral—with a conchoidal fracture sharp enough that Mesoamerican cultures shaped it into blades

Green Fluorite Pyramid Size 1.75"x1.5"x1.5":$49 Blue Apatite is a calciumA pyramid that holds the full fluorite color spectrum in a single carved face. Fluorite is calcium fluorideCaFa halide mineral with a Mohs hardness of 4 and perfect octahedral cleavage in four directions, which is why a fractured edge catches light in a characteristic staircase pattern. Green fluorite owes its color to trace impurities within the crystal structure; the same species produces purple, blue, yellow, and colorless specimens from the same