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Labradorite Carving

Smithsonian National Museum of Natural History

Smithsonian National Museum of Natural History

The minerals in the feldspar family make up more than half of the Earth’s crust. Occasionally these common minerals form crystals that have an optical phenomenon called aventurescence or schiller. Sunstones exhibit a reddish to golden sheen called schiller, resulting from light reflecting off numerous tiny copper or hematite (iron oxide) flakes scattered within the stones. The inclusions in this sunstone are copper. To date, Oregon is the only place in the world where gem quality sunstones containing copper inclusions are found. This fancy cut sunstone, faceted by renowned cutter Larry Winn, was donated by Donald Buford in 2012.

Gift of Donald Buford in 2012.

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  • Title: Labradorite Carving
  • Location: Labrador, Newfoundland, Canada, North America
  • 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
  • External Link: View this object record in the Smithsonian Institution Collections Search Center
  • Weight: 810.7ct
  • USNM Catalog Number(s): G1750
  • Photo Credit: Chip Clark, Smithsonian Institution National Museum of Natural History
  • Field: Mineral Sciences
  • Fassion: Carved Knight's Head
  • Color: Black

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