Shattuckite 6mm Round - 15-16 Inch FEATURE02162023 as well as grays

as well as grays

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

but those varieties are transparent

Its proper name is Artocarpus heterophyllus

or some degree of pink in between

Shattuckite 6mm Round - 15-16 Inch FEATURE02162023 as well as graysShattuckite 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.