turquoise is an opaque, blue-to-green mineral that is a hydrated phosphate of copper and aluminum. turquoise has a lower-than-ideal hardness and durability for use in certain types of jewelry.

Zultanite is a precious mineral from the Diaspora that is mined in the Albir Mountains in southwestern Turkey. The color of Zultanite varies between yellowish green, light gold and purple pink, depending on its light source.