Black Spinel 8mm Faceted Round - 15-16 Inch FEATURE05122022 It has been mistaken for

It has been mistaken for ruby and sapphire at times

It is mined under extremely harsh conditions and the high-grade specimens are more rare than diamonds

" is like the deep blue evening skies often seen above deserts and winter landscapes

The best available information indicates that the stone is a type of Dolomite that has been altered by volcanic activity

Black Spinel 8mm Faceted Round - 15-16 Inch FEATURE05122022 It has been mistaken 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.