Multi Spinel 3mm Faceted Round AA Grade - 15-16 Inch 60-90mm It won 1st price and

It won 1st price and has been used ever since in sculpture

Zoisite occurs as prismatic

this beautiful Carnelian rock specimen is perfect for gift giving or keep for yourself

olive green and gray-green

The presence of Manganese in the stone produces its color

Multi Spinel 3mm Faceted Round AA Grade - 15-16 Inch 60-90mm It won 1st price andSpinel 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.