Shattuckite 8mm Round - 15-16 InchShattuckite is a rare copper silicate hydroxide mineral. It occurs in bright turquoise blues and darker blues as well as rust reds, commonly with inclusions of copper in speckled patterns throughout the stone. Shattuckite is a pseudomorph, meaning it forms by replacing another minerals crystal structure atom by atom with its own crystal structure, with little alteration of the external shape of the original crystal.

pale green or copper red

Rainbow Obsidian earned its name from the chatoyant

Azurite in crystal form is extremely rare and expensive

and variation of the amount of iron in the stone creates a color range from reddish purple to deep violet to light lilac

Carnelian is a glassy

Emerald and Heliodore -- and is often cut to highlight its chatoyant qualities

and forms within a host rock such as ironstone or sandstone

violet or indigo

Mexican Laguna Lace Agate is one of the most prized agates in the world

promoting personal power and achievement of goals

The presence of chromium is what gives a ruby its red color

and was named Morganite in honor of John Pierpoint Morgan