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Oligoclase (rare)

Photo Copyright © Brian Kosnar - Mineral Classics  - This image is copyrighted. Unauthorized reproduction prohibited.
Gemstone: Oligoclase
Location of Origin:Tanzania
Treatments:None reported
Cut Type:Oval Brilliant
Weight:2.31 cts.
Dimensions:10.07mm x 8.11mm x ?mm
This is confirmed Oligoclase, and not Anorthite or Orthoclase.

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