Black Spinel 4x8mm Faceted Rondelle - 15-16 Inch 4mm Light Blue Stay open tips

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” It is chemically identical to Granite

Stone Type: Rose Quartz

It is produced by certain molluscs as an inner shell layer

It is a rare variety of Pectolite

Black Spinel 4x8mm Faceted Rondelle - 15-16 Inch 4mm Light Blue Stay open tipsSpinel 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.