Black Spinel 15-20mm Double Drill Puff Hexagon - 8 Inch Stone Type_Turquoise Mixed Impression Jasper is a

Mixed Impression Jasper is a composite made by fusing stone fragments using heat

with a Mohs Hardness of 8

These Muonionalusta Meteorite beads

transparent or translucent with a pearly luster

Black Spinel 15-20mm Double Drill Puff Hexagon - 8 Inch Stone Type_Turquoise Mixed Impression Jasper is aSpinel 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.