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Black Calcite
🌌 It often displays a beautiful iridescent play of colors
Spessartine: Mn3Al2Si3O1
It is opaque to translucent green in color
it occurs in nature as the extremely rare mineral moissanite
Moonstone white Labradorite Crystal Heart plant baby Black CalciteMoonstone Crystal Heart Composition: Moonstone is a variety of the mineral albite, which is a type of plagioclase feldspar that contains sodium. Labradorite is also a plagioclase feldspar, but it contains a higher percentage of calcium and less sodium than moonstone. White Labradorite is an intermediate to calcic member of the plagioclase series. It has an anorthite percentage (%An) of between 50 and 70. The specific gravity ranges from 2. 68 to 2.