Shattuckite 6mm Round - 15-16 Inch FEATURE02162023 Many stones in the Russian

Many stones in the Russian crown jewels from the 17th century which were thought to be rubies are actually red Tourmaline

as well as a prismatic quality that differentiates it from other varieties of Moonstone

or some degree of pink in between

Ruby has long been considered one of the most beautiful and valuable gemstones on the planet

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

Shattuckite 6mm Round - 15-16 Inch FEATURE02162023 Many stones in the RussianShattuckite 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.