Multi Spinel 3mm Banded Faceted Round - 15-16 Inch Shape_Crispy Rice They are all varieties of

They are all varieties of the mineral corundum

Fuchsite is the green Mica found in this quartz

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creating a unique "marbled" look

Multi Spinel 3mm Banded Faceted Round - 15-16 Inch Shape_Crispy Rice They are all varieties ofSpinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not only has the dark color, but it is opaque as well, rendering its black especially deep and mysterious. Sometimes called the "Black Prince's Ruby" for its role in the English crown. It has been mistaken for ruby and sapphire at times, but can be distinguished by its structure and its lower relative hardness.