a banded Chalcedony that is predominantly white with layers of brown
Prehnite was the first mineral to be named after a person: its discoverer
The original stones were often used as protective amulets and are usually scarred or pitted in places where they were ground off for use in traditional medicines
Pink Tourmaline ranges in color from light pink to deep magenta
moonstone is thought to enhance intuition and promote inspiration
Sapphire 4mm Faceted Round A Grade - 15-16 Inch Bronzite a banded Chalcedony that isSapphires 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