Chrysoberyl Cyclic Twins from Espirito Santo, Brazil


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These chrysoberyl crystals are from Colatina in Espirito Santo, Brazil. The Colatina area is large and contains dozens of mines and prospects so the exact provenance of individual crystals are vague. Chrysoberyl is an oxide that contains the elements Be, Al, and O. It is used as a gemstone and alexandrite is the purple variety of chrysoberyl. This formation is a cyclic sixling twin which is a common growth characteristic for the species. The crystals are transparent with yellow color and a glass luster. It measures 10 x 6 x 5 mm.

Additional information

Weight4 oz