Multi Spinel 3mm Banded Faceted Round - 15-16 Inch Stone Type_Coral The mineral is named for

The mineral is named for the place where it is principally found

Rhodochrosite has a pearly luster and often displays banded patterning

and is a result of trace amounts of copper or chromium

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Multi Spinel 3mm Banded Faceted Round - 15-16 Inch Stone Type_Coral The mineral is named forSpinel 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.