Goshenite Crystal Embedded In Orthoclase
by Science Photo Library
Title
Goshenite Crystal Embedded In Orthoclase
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Goshenite, a variety of beryl (beryllium aluminium sillicate), growing on crystals of orthoclase (potassium aluminium silicate). 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 12 x 10 cm and was found in Veadinho's Mine, Marilac, Brazil.
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September 16th, 2018
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