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Aquamarine :
Aquamarine is a gemstone-quality transparent variety of beryl,having a delicate blue or turquoise color,suggestive of the tint of seawater.It's closely related to the gem emerald. Colors vary and yellow beryl,called heliodor;rose pink beryl, morganite; and white beryl, goshenite are known.
In the United States, aquamarines can be found at the summit of Mt. Antero in the Sawatch Range in central Colorado. In Brazil, there are mines in the states of Minas Gerais, Espírito Santo and Bahia. Zambia also produces nice aquamarine as well as Madagascar, Malawi, Tanzania and Kenya. Much of today's aquamarine is heated to give it a better color blue. The deeper the blue color, the more valuable the gem is considered.
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