Turquoise 6x8-8x10mm Rough Nugget - 15-16 Inch Plated 6mm It also occurs in golden

It also occurs in golden yellows and browns as well as milky white

Ametrine is quartz that occurs in bands of purple and yellow

gray and mauve stone

Tiger Eye is a macrocrystalline Quartz stone with bands of rich golds and browns

Turquoise 6x8-8x10mm Rough Nugget - 15-16 Inch Plated 6mm It also occurs in goldenTurquoise is an ancient gemstone, one of the first known to man. Known to Egyptian and Aztec cultures thousands of years ago, Turquoise is now mined all over the world. Turquoise is formed when water passes through aluminous rock where copper and other minerals are present. The deposits within the rock become Turquoise after a chemical reaction occurs over long periods of time. Natural Turquoise may be cut and polished, but will not be chemically