Sapphire 4-5mm Round - 15 Inch latest-2mmTC Hematite is black to steel-gray

Hematite is black to steel-gray or silver-gray

An orthoproxene mineral

Gamma ray irradiation

milky whites

Lepidocrocite forms when iron-containing substances rust underwater

Sapphire 4-5mm Round - 15 Inch latest-2mmTC Hematite is black to steel-graySapphires 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