Natural Blue Sapphire 3-6mm Faceted Rondelle - 15-16 InchSapphires 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

a mineralogist and jeweler

while its variations in color are better known by other names: Emerald (green)

often with a mottled appearance

Pliers are a good option when a price sensitive tool is needed

sodalite and pyrite

often used in healing and meditation and as religious objects in funerary rites and to dispel evil

Item Type: Specimen

Iron Zebra Jasper displays streaks or stripes of colors ranging from dark

Argentinian Blue Onyx and Argentinian Aquamarine Onyx

Yellow Jade is not actually Jade

Moonstone naturally occurs in a broad spectrum of colors

The stone was discovered by George D