Black Spinel 15mm Pinwheel - 8 Inch Stone Type_Beryl Malachite was used extensively as

Malachite was used extensively as decoration in the palaces of Russian tsars and forms the columns of St

Its bright green coloration is due to traces of chromium

s Fair in Germany

From Brazil

which takes millions of years

Black Spinel 15mm Pinwheel - 8 Inch Stone Type_Beryl Malachite was used extensively asSpinel 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.