
Aquamarine Crystal

by Science Photo Library
Title
Aquamarine Crystal
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Aquamarine, a transparent blue variety of beryl (beryllium aluminium sillicate). Beryl occurs in many colours including grayish-white, yellowish- white, pale bluish-green and, more rarely, transparent yellow (heliodor), pink (morganite), blue (aquamarine) and green (emerald). The rare, transparent varieties are used as gemstones, while the more common types form the principal ore of the metal beryllium, which is widely used in industrial alloys. This specimen measures 8 x 5 cm and was found in Belo Horizonte, Minas Gerais, Brazil.
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September 17th, 2018
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