Sapphire 3x4mm Dark Blue Faceted Rondelle A Grade - 15-16 Inch #9189 On cut or polished stones

On cut or polished stones

though it is referenced as a highly revered stone in much older Inuit tribal legends

including browns

Gamma ray irradiation

Sapphire 3x4mm Dark Blue Faceted Rondelle A Grade - 15-16 Inch #9189 On cut or polished stonesSapphires 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