Aquamarine a kind of gemstone described as transparent, and comes in shades of blue and blue-green.

However, the most admired aquamarine color, which is sky-blue, is produced by applying heat treatment to a greenish or yellow-brown beryl. Heat will enhance its blue color permanently

Ref: 123979/2006-10-18

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Gemstone (Gemstone (Gem) is described as precious or ...)

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