Black Spinel 4mm Faceted Coin - 15-16 Inch Hole Size_0.8-1mm It can be colorless

It can be colorless

Young trees cannot be legally harvested

Yellow Moss Opal does not display the changeable flash of internal luster that other opals are known for

occasionally mingled with rust-brown

Black Spinel 4mm Faceted Coin - 15-16 Inch Hole Size_0.8-1mm It can be colorlessSpinel 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.