Aquamarine is one precious stone and is a type of pale blue to green gemstone which has been used in jewelry for centuries. It is a type of beryl, a stone which contains a mixture of beryllium, aluminum, and silicate. Some people are strange at the aquamarine formation, here you can find how is aquamarine formed from this article.
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How is aquamarine formed
2010-09-03 08:41:39
With the root of Latin phrase “Water of the sea”, aquamarine falls into the most precious natural group of minerals. And most of people have no idea of aquamarine formation. Here we talk how is aquamarine formed.
It traces back to 35 million years that aquamarine formation occurred naturally. Indigenous rocks facilitate the growth conditions for forming aquamarine. It was formed when the miner-rich high-pressure magma flowed below into the rock layers of mountain ranges. Then the magma fluid got trapped into cavities of mineral-saturated fluid which has been heated to 1.112’c. Aquamarine was thus crystallized in the fluid pockets and formed. And the size of it depends on the cooling rate. The slower the rate of cooling is, the bigger the gemstone is.
This gemstone can be also formed in cavities and in granites. At the process of emplacement cooling, granite rocks fell apart and eroded to form hydrothermal carbonate veins which host aquamarine in great quantities. The transparent gemstone is usually formed with other famous accessory mineral such as bitoite, topaz and garnet etc.
Aquamarines are vastly discovered in Brazil, Zimbabwe, Namibia, South Africa and United States. And in India there mined dark blue aquamarines. The pale green to pleasant blue shades of aquamarine is formed by the iron present in the crystalline structure. Due to the amounts of iron present, these gemstones are endowed with their beautiful color which ranges from bluish green to pastel blue.
Bi-color aquamarines are also naturally available with other beryl minerals such as morganite. Naturally occurring aquamarines rough are not very expensive and usually perfect with no flaw.
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