3mm Sapphire Faceted Round A Grade - 15-16 Inch 24x36mm and it can be mottled

and it can be mottled or striated with veins of these colors

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

but is most commonly associated with white

a variety of Feldspar

is a lab-made form of zirconium dioxide

3mm Sapphire Faceted Round A Grade - 15-16 Inch 24x36mm and it can be mottledSapphires 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