Question

this mineral is considered precious because of this downright good looks but from which two metals is it a hydrated

Answer 1

Turquoise: Turquoise is a hydrated phosphate of copper and aluminum in the Phosphates, Arsenates, Vanadates group, with a triclinic crystal system. It rarely occurs as prismatic crystals. It is usually found as light-blue or green masses, nodules, and veins, sometimes filling cavities in various rocks.

Thanks.
Tripathy.