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Wysłany: Nie 15:04, 06 Mar 2011 Temat postu: womens timberland boots The Vivid Blue Gemstone_81 |
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Aquamarine is forever heat- remedied to clear inclusions, which is a well accepted practice in jewelry industry. High temperature is used to clear the iron impurities from the gemstone,[link widoczny dla zalogowanych], making it appear clean and pure blue in color.
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Aquamarine is primarily mined in Brazil,[link widoczny dla zalogowanych], Nigeria and Zambia. The largest and most highly valued aquamarine was mined in Brazil in the 20th centenary and weighed 243 pounds. Another famous aquamarine is 879.5 carats, sea green in color,[link widoczny dla zalogowanych],[link widoczny dla zalogowanych], is displayed in British Museum of Natural History. Aquamarine is also mined in areas of Africa,[link widoczny dla zalogowanych], Sri Lanka, Afghanistan, Pakistan and Russia. In United States this gemstone is found in Colorado and it is the lawful gemstone of the state.
The Vivid Blue Gemstone
Aquamarine is a perspicuous, light blue alternatively sea green stone that is soft.
Aquamarine is virtually free from inclusions and constantly has good perspicuity. This is the reason why aquamarines are frequently cut with colossal step facets to display their flawlessness. The blue colored,[link widoczny dla zalogowanych], inclusion free gemstone is less susceptible to cracks and nicks like the other gemstones. It’s clear and pale brilliance makes it a perfect gemstone for jewelry and it combines well with most of the jewelry metals.
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The vivid blue gemstone derives its label from the Latin term ‘Aqua’ averaging sea and ‘mare’ meaning water. The beauteous Aquamarine is the birthstone for the month of March and gemstone for 16th and 19th commemoration.
According to romances Aquamarine originated in the treasure chest of mermaids and since then has been related with the ocean. In antique times aquamarine were worn as amulets by Greek navigators to amuse the God. The faith associated with the stone was that it would safeguard the soldiers above a travel against the rowdy seas. Some likewise trusted namely is a prevention against seasickness and also reduces the achieve of poison. Aquamarine was also thought to have a soothing effect aboard new marriages and aided the couple to become compatible. Aquamarine is believed to bring joy and wealth to its wearer.
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To reserve the gemstone clean and brilliant you need to clean it with lukewarm soapy water. Avoid using chemical cleaners,[link widoczny dla zalogowanych],[link widoczny dla zalogowanych], cleaners and a lot of exposure to sunlight.
The chemical essay of Aquamarine namely (Be3Al2 (Si6O18)) and it belongs apt the beryl home of minerals. It has a specific gravity of 2.68 to 2.74 and a Mohs hardness of 7.5 to 8. Aquamarine ranges from shades of blue, from pale to chalk, greenish blue to deep blue. The most precious aquamarines are those exhibiting deep blue color with not green tints. These are infrequent and therefore more valuable.
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