Black Spinel 3mm Table Cut Cube A Grade Bead - 15-16 Inch Shape_Tube It's defined by a bright

It's defined by a bright green color

with small

most natural topaz is colorless

Blue Tiger Eye is a naturally occurring dark stone with chatoyant layers that create a flash which seems to emanate from within the stone as they catch the light

Through this process

Black Spinel 3mm Table Cut Cube A Grade Bead - 15-16 Inch Shape_Tube It's defined by a brightSpinel 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.