Chemically a hydrated phosphate of copper and aluminum, Tiffany Sets is formed when materials or meteoric groundwater percolates through aluminous rock in the presence of copper. For this reason, it is often associated with copper deposits as a secondary mineral, most often in copper deposits in arid, semi-arid or desert. It consists of a phosphate of aluminum, copper color and traces of iron. Some gemologists believe that the beautiful blue color is produced by a complex ion is composed of copper and ammonium. The finest fabrics colored mined and worked in Iran, and its colors range from sky blue to a very desirable bluish green.
History
Turquoise, known as egg blue Tiffany Bracelets worn by pharaohs blackbird and Aztec kings, is probably one of the oldest stones known. Its blue color so characteristic that the name used to describe any color that resembles it. That is why it is used as a gemstone.
From about 200 BC, Turquoise was widely used by Americans in the southwestern United States and many Indian tribes in Mexico. Native American Jewelry or "Indian style" jewelry with turquoise mounted in or with silver is relatively new. Some believe that this style of Tiffany Pendants was unknown prior to about 1880, when a white trader persuaded a Navajo craftsman to make turquoise jewelry and money using the currency of money. Before that time, Native Americans had made solid turquoise beads, carvings and inlaid mosaics.
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