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www.aypearl.com interpret The Formation and Color of Agate | 5th November 2009, 21:17 |
agate is formed from mineral deposits and is considered by most to be a precious stone. Agate usually occurs in cavities that have formed from volcanoes (especially ancient lavas). Agates are known to have bands that come in many colors and resemble the rings of a tree. Scientists say that agate is created when gas bubbles inside of cooling lava include saline water. These gas bubbles with saline water turn into a gel. Since there is salt in the water, it attacks the surrounding iron in the lava and creates bands. These bands are extremely intricate and beautiful. It should be noted that no two stones are the same, making each Agate stone unique and more precious. Agate comes in many different colors and usually in its raw state is dull and rough. In order for Agate to show its true beauty it must be polished. Agates are widely distributed, although the main deposits are in India, Brazil, Madagascar, China, Russia and Australia. According to Greek legend, Agate was found in the river Achates, which is now called the Drillo River, located in Sicily. However, there is evidence that Stone Age men used Agate more than 15,000 years ago. Today, you can easily find sources in the Western United States, Mexico, Germany, Italy, Brazil, China, India, Africa, etc. The color of agates can vary significantly, depending on the distribution of minerals within each band. Minerals that contribute to the stone color include: iron oxides (red, brown, black, green), manganese (pink, violet, black), chromium (green, yellow, red), titanium (blue), cobalt (red), nickel (green), and copper (red, blue, and green). The shade of color is further modified when these minerals work in combination. The color can occur through an agate band, or it can form as small, dot-like inclusions. Color can also be influenced by temperature, radiation, pressure, and weathering. To gain more knowledge of jewelry and the trend of fashion jewelry in this winter,Please visitwww.aypearl.com , wholesale jewelryonline store.It offers a wide variety of handmade jewelry products ,aypearl specialize in wholesale necklace, wholesale bracelet andwholesale earring.Such as:pearl jewelry,gemstone jewelry,crystal jewelry,turquoise jewelry,coral jewelry,shell jewelry and other fashion jewelry.You can wholesale more than 10000 styles of jewelry that in highest quality and lowest price conveniently. .Please enter your sole coupon code Ay9902 when submit order at aypearl.com. Then you can enjoy the special discount. |
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