Turquoise rings is opaque precious mineral, the composition of hydrated copper aluminum phosphate with traces of copper and iron from which derives its specific blue-green color.

1. The Turquoise Rings Look Beautiful and Gorgeous
Turquoise rings is opaque precious mineral, the composition of hydrated
copper aluminum phosphate with traces of copper and iron from which derives
its specific blue-green color. The mineral composition may have other colors,
but as such it is not appreciated in Gemmology. Despite the fortresses that is
less suitable for use in wholesale turquoise jewelry, can be polished if it is
sufficiently compact. Aggregates turquoise rings are specific in that they
contain a network of other minerals, usually iron oxides or hydroxides.
Turquoise name originates from the French word for Turkish. It was named
because it was once thought that this mineral comes from Turkey, because
Europe is supplied it is from this country. However, Turkish traders are
supplied from other countries, and sell to the Venetian merchants who still sell
them in Europe. The true origin of turquoise that was brought from Turkey is
likely Alimersage mountains in Persia and the Sinai Peninsula in Egypt. These
two areas are the oldest known areas of operation performed turquoise.
Also, feather earrings have traditional beliefs, this is no exception for
turquoise rings. It was thought to bring good luck and good health when you
get a gift with love. Also, it was believed that its color fades in life or owner is
sick, and when the danger of penetration, and regain its intense turquoise
color.

2. Science, of course, explains this phenomenon in other ways. The high
temperature blue color turns into green. Also, the color may fade under the
influence of light of different chemicals, or loss of natural moisture.
The most famous turquoise deposits in the world:
Shadowy cave in Nishapur, Iran, Uadi Magara near the western edge of the
Sinai Peninsula in Egypt, Cukvikamata copper deposits in Chile; Serilos Mines,
Turquoise Mountains and Santa Rita copper mines in New Mexico, USA.
Varieties and various terms used in turquoise:
- Agapit / agafit - Persian turquoise glass;
- American or Mexican turquoise - a term often used in the market for a pale
blue to greenish, usually relatively porous turquoise, regardless of their
geographic origin

3. - Aztec stone - this term is used for a variety of minerals, among other things,
the green turquoise.