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A metallic element found in the beryl. See Glucinum.

reen color, but also yellow, pink, and white. It is a silicate of aluminium and glucinum (beryllium). The aquamarine is a transparent, sea-green variety used as a gem. The emerald is another variety highly prized in jewelry, and distinguished by its deep color, which is probably due to the presence of a little oxide of…

was known long before the element was isolated. Symbol Gl. Atomic weight 9.1. Called also beryllium. [Formerly written also glucinium.]