Turquoise: From Tutankhamen to the Taj Mahal

Image of Turquoise Necklace Strand

Turquoise is a phosphate (copper and aluminum) and has been used as an ornamental stone for centuries. It is opaque and valuable in its purest forms but it’s value has suffered in recent time as a result as a result of the availability of synthetic stones and treatments. It is no harder than window glass … Read more