Turquoise is opaque precious mineral, its composition hydrated copper saew aluminum phosphate CuAl6

Turquoise is opaque precious mineral, its composition hydrated copper saew aluminum phosphate CuAl6 (PO4) 4 (OH) 8 5H2O with traces of copper and iron of which encourages its specific blue-green saew color. Mineral composition of this may have other colors (eg. A yellowish), but as such is not appreciated saew in gemology. By Mosovoj scale, fortress of this mineral is 5-6. Despite fortresses which is less suitable for use in jewelry, saew it can be polished if sufficiently compact. Aggregates turquoise saew were peculiar in that it contains a "network" of other minerals (usually hydroxides or oxides of iron). Name turquoise comes from the French word for "Turkish". saew This name was given because it was once thought that this mineral comes from Turkey, for Europe it supplied just in this country. However, Turkish traders were being supplied from other countries, and sell them Venetian merchants who were still sold in Europe. The true origin of turquoise that is to be issued from Turkey is probably the mountains Alimersaj in Persia or the Sinai Peninsula in Egypt. These two areas are the oldest known areas where exploitation is carried turquoise. saew
Beliefs related to turquoise Many precious minerals follow traditional beliefs, and turquoise is no exception. It was believed saew to bring good luck and good health when you get a gift with love. Also, it was believed that turquoise color fades owner endangered life or is sick, and when the danger has passed, and turquoise regain its intense color. Science, of course, explains this phenomenon in a different way. Specifically, the temperature of 250ºC, its blue color turns into green. Also, the color may fade under the influence of light, different chemicals or loss of natural moisture.
The most famous sites of turquoise in the world: the shadowy cave in Nishapur, Iran (formerly Persia); Uadi Magara near the west rim 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 different names may be used for turquoise: - Agapit / Agafiţă - glassy saew Persian turquoise saew - American or Mexican turquoise - a term that is often used in the market for a pale blue to greenish, usually relatively porous turquoise, regardless of their geographic origin - Aztec stone - this term is used for different minerals, among other things, and for green turquoise - White buffalo stone - material white color, which is traded in the form of kabošona, so-called. albino turquoise. Apparently saew mined in Tonopah, Nevada (USA) - Dzonito - sometimes used for husky, sometimes for glassy turquoise - Edisonit - freckled, blue turquoise - Egyptian turquoise - a term that is sometimes used in the market for bluish and / or yellowish-green turquoise, which because of the color is not particularly desirable for jewelry making; usually used regardless of the true geographical origin - the turtle's back - a name that is sometimes used for turquoise matrix, usually black, which looks like a spider web - Kaafirun turquoise - turquoise originate in a place Kaafirun in Persia where it traded large quantities of turquoise - Sea Foam - a descriptive name that is on the market rarely used for lumpy blob turquoise that are on one side only polished, and the other side is straight Sečen so they can be incorporated into jewelry, for example. Brooch - Oriental turquoise - some use this term for a real turquoise, in contrast to the reconstructed, however, this is not always a true turquoise - Tags locality - adjectives that indicate the origin: Alexandria (Egypt turquoise), the US (California, Colorado and Nevada saew ), Egyptian, Mexican etc. - Persian turquoise - Light Blue turquoise superior quality of Persia. In practice, this term is also used for turquoise that he only Nalić and not really originate from Persia ie. Iran - "Blue Gold" - nazi given turquoise in the Wall Street Journal - Turquoise eggshell - turquoise that looks like it is cracked - Turquoise new rock - turquoise poor quality - Spider Web Turquoise - Turquoise whose basic mass contains saew other minerals in the form of a spider Network - Turquoise old wall - high quality turquoise, sky blue - Turquoise rocks - rocks containing turquoise spots ie. matrix of poor quality. It is usually brown or gray - turquoise blob - this is the time period in the market sometimes saew used for small nuggets - Turkish stone - quite forgotten the old name for turquoise turquoise that are mass-polished in the tumbler - The Western Turquoise - Vivianite - Star stone - a term that is sometimes used for turquoise, especially in a market colloquial speech.
Application saew turquoise through the history of civilization Because saew of its beauty and specific colors, saew turquoise is a favorite precious mineral in different parts of the world for many centuries. Turquoise is one of the first precious minerals in the same