Sapphire 4-12mm Graduated Faceted Oval - 17 Inch Tourmalated Quartz The colors are predominantly a

The colors are predominantly a deep red/brown

unique iridescent patinas (caused by centuries of burial)

intricate patterns of minute black flecks

Red Agate purportedly enhances mental function

Sapphire 4-12mm Graduated Faceted Oval - 17 Inch Tourmalated Quartz The colors are predominantly aSapphires 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