Sapphire 2-6mm Graduated Faceted Rondelle - 18 Inch feature It is frequently fluorescent under

It is frequently fluorescent under ultraviolet light

It's soft chatoyancy is reminiscent of the moon's light

Orthoceras was an ancient mollusk that lived over 370 million years ago

Dumortierite is an aluminum borosilicate mineral that varies in color from blue

occasionally mingled with rust-brown

Sapphire 2-6mm Graduated Faceted Rondelle - 18 Inch feature It is frequently fluorescent underSapphires are precious gemstones, but unlike rubies, they come in a rainbow of colors besides red! They are all varieties of the mineral corundum, known for its incredible hardness, second only to diamond . This makes sapphires very durable and scratch resistant. Formed deep underground during the cooling of magma, sapphires get their various colors from trace elements. Iron gives them blue, the most famous sapphire color, while titanium can create