This rare twinned chrysoberyl crystal is similar to the one from which the alexandrite gem in this case was cut.


  • Title: Chrysoberyl crystal, (variety Alexandrite)
  • Location: Hematita, Minas Gerais, Brazil
  • Type: Gem
  • Rights: This image was obtained from the Smithsonian Institution. The image or its contents may be protected by international copyright laws. http://www.si.edu/termsofuse
  • USNM Catalog Number(s): 174409
  • Photo Credit: Chip Clark, Smithsonian Institution National Museum of Natural History
  • Field: Mineral Sciences

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