Black Spinel 4x8mm Faceted Rondelle - 15-16 Inch Carved Topaz is found in many

Topaz is found in many locations worldwide where rocks like pegmatite and rhyolite are formed

bright red

brown to golden-yellow hydrous potassium iron titanium silicate mineral

Turquoise is known for it's strength and protection attributes - dating back to ancient Egyptian amulets

this semi to precious variety of quartz is found in many locations around the world

Black Spinel 4x8mm Faceted Rondelle - 15-16 Inch Carved Topaz is found in manySpinel 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.