My Favorite Gemstones – Turquoise

By Diana Kirkpatrick | May 1, 2014

Chemically, turquoise is a hydrated copper aluminum phosphate. Turquoise has been known and used for jewelry and ornamental purposes since ancient times. It is definitely one of the oldest known stones. Turquoise got its name because the stones were originally shipped through Turkey. Deposits in Egypt were totally depleted before 2000 BC. Long ago ancient…

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