Description
[This last paragraph is from Wikipedia - License: Attribution-ShareAlike 3
belong to a large taxonomic class of invertebrates within the phylum Mollusca
Thysanopeltis
It has no restorations or repairs
07911 - Top Pale Blue Fluorite Crystals on Matrix Hameda Fluorite Mine South Morocco Paralejurus [This last paragraph is fromFluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon. Fluorite is a colorful mineral, both in visible and ultraviolet light, and the stone has ornamental and lapidary uses. Industrially, fluorite is used as a flux for smelting, and in the production of certain glasses and enamels.