Black Spinel 5x9-10x18mm Drop - 8 Inch 68212 The material comes with variety

The material comes with variety of tan and crimson matrix colors which create a striking contrast to any color it may be enhanced

The caliper-like device can measure up to 3

Denim Lapis has the brilliant blue and gold of higher end Lapis

Green Apatite is a transparent to translucent stone that may be green

Black Spinel 5x9-10x18mm Drop - 8 Inch 68212 The material comes with varietySpinel 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.