Black Spinel 3mm Natural Round - 15-16 Inch Strawberry Quartz while retaining the structure of

while retaining the structure of the wood

Beads Per Strand: 40

Black Spinel not only has the dark color

famed mineralogist and jeweler George Frederick Kunz

Black Spinel 3mm Natural Round - 15-16 Inch Strawberry Quartz while retaining the structure ofSpinel 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.