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Manebach twin microcline crystals

Copyright © 1960 Glenn Vargas
 
 

Manebach twin microcline crystals

Copyright © 1960 Glenn Vargas  - This image is copyrighted. Unauthorized reproduction prohibited.

Caption: Microcline crystals showing the Manebach twins. Source: Carnahan, V. 1960. The Treasure of the Himalaya Mine. Gems & Minerals magazine, November, pages 21-25, 55-57.

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Photo added: 19th Oct 2010