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Allanite-(La) : {CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH), Epidote : {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

Copyright © Elmar Lackner
 
 
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Allanite-(La) : {CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH), Epidote : {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

Copyright © Elmar Lackner  - This image is copyrighted. Unauthorized reproduction prohibited.
Largest Crystal Size: 7 mm

7 mm crystal of green REE-bearing epidote with inner micron-sized zones of allanite-(La). Specimen discussed in message http://www.mindat.org/mesg-7-80457.html

This Photo was Mindat.org Photo of the Day - 1st Jan 2014

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Photo added: 27th Aug 2006