Multi Spinel 3mm Banded Faceted Round - 15-16 Inch Shape_Crispy Rice They are all varieties of

They are all varieties of the mineral corundum

crafting stunning jewelry has never been simpler or more enchanting

2-3 large ranging 20-30mm

until the 17th century Crystal Quartz was believed to be permanently frozen water

Multi Spinel 3mm Banded Faceted Round - 15-16 Inch Shape_Crispy Rice They are all varieties 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.