Turquoise is a secondary mineral is a mineral that undergoes a chemical change and take a new form. Turquoise slow accumulation of acid deposition as water seeps through another mineral such as copper. Thus, a lot of turquoise beads are not the cause of all the turquoise mines, but from ore, which fell on a pocket of turquoise. Most turquoise is found in dry areas because the alteration of leaves in cavities that can accumulate turquoise.
The south-western United States is one of the best places to find turquoise beads of high quality. Unfortunately, many collectors turquoise worry how long it will last, as more and more depleted mines turquoise. Almost all turquoise extract is currently being low quality, but high-quality stones and turquoise jewelry are still circulating in the market.
Some of the most beautiful turquoise beads are American from Nevada, valued for their blue and black spider web matrix. Also notable are the pearls of turquoise of the Sleeping Beauty mine in Arizona, which produces the sky blue, without any matrix.
Iran has produced some of the best turquoise in the world for the last 2000 years. If there were such things as perfect turquoise beads, they come from Iran. Turquoise from Iran is a solid, bright blue that was not found in any other region. Only from turquoise beads from the south-western United States is close to the quality of turquoise beads Iran. Interestingly, turquoise in the United States is often found in the turquoise waters of copper while Iran is often found in trachyte.
Sinai has been known for turquoise time since ancient Egyptian and it is still called the Land of Turquoise in certain areas. The turquoise of Sinai is often either stone or copper. The miners in the Sinai peninsula have a mortality rate relatively high due to flash floods and extreme heat added to the normal risks of mining. However, only a few small mines are still active as turquoise becoming increasingly rare. China produces over turquoise beads than any other country.
Grades and colors vary depending on the mine, but all Chinese turquoise is usually mild. Therefore, turquoise from China must be stabilized to be shaped pearls. These turquoise beads are affordable and easy to find compared to the places mentioned above. Although many places to produce blue-green turquoise, China is one of the few countries that also produces a variety of bright green turquoise.
How Turquoise Was Formed
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