Rainbow Sapphire 4mm Round Faceted - 15-16 Inch Tri Diamond Cut Rondelle It is one of the

It is one of the world’s oldest known stones

black with rainbow colors

It shines and sparkles like a diamond making it an exceptional addition to any jewelry piece

Cacoxenite is the trade name for this naturally occurring blend of seven stone types

Whether you're drawn to it's beauty or you are a collector of cool rocks

Rainbow Sapphire 4mm Round Faceted - 15-16 Inch Tri Diamond Cut Rondelle It is one of theSapphires 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