Sapphire 10x12-13x15mm Irregular Slice - 8 Inch Birds Eye Rhyolite It is a variety of

It is a variety of banded Chalcedony with layers that may contain scarlet

bluish green

or subject it to pressure

Turquoise is one of the oldest known gemstones

Sapphire 10x12-13x15mm Irregular Slice - 8 Inch Birds Eye Rhyolite It is a variety ofSapphires 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