Multi Spinel 4mm Table Cut Cube A Grade - 15-16 Inch

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Description

Multi Spinel 4mm Table Cut Cube A Grade - 15-16 InchSpinel 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.

a microscopic protozoa with a silica shell

Onyx has been both revered and feared throughout history

ranges in color from blue-green to green

Citrine is a transparent Quartz

Sard is not Onyx

Blue Lace Agate is a naturally occurring soft blue agate

Red Garnet and Crystal Quartz

Carnelian is a glassy

Preservation is enabled by a lack of oxygen

and chatoyancy

It ranges from almost completely transparent to an almost opaque brownish-gray crystal

and those that still exist today have been passed down for generations