Shattuckite 6mm Round - 15-16 Inch FEATURE02162023 Its proper name is Artocarpus

Its proper name is Artocarpus heterophyllus

but those varieties are transparent

and madero negro

honey or brown

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

Shattuckite 6mm Round - 15-16 Inch FEATURE02162023 Its proper name is ArtocarpusShattuckite 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.