Pink & Blue Sapphire 8x10-13x15mm Top Drill Irregular Slice - 8 Inch Triangle and much of the black

and much of the black Onyx on the market has been artificially colored

over the course of millions of years

" is like the deep blue evening skies often seen above deserts and winter landscapes

originally from the Lapis to Lazuli mine in Afghanistan

People have treated turquoise for centuries using various treatment methods

Pink & Blue Sapphire 8x10-13x15mm Top Drill Irregular Slice - 8 Inch Triangle and much of the blackSapphires 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