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Allanite Group : {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH), Calcite : CaCO3

Copyright © Dan Weinrich Minerals
 
 
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Allanite Group : {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH), Calcite : CaCO3

Copyright © Dan Weinrich Minerals  - This image is copyrighted. Unauthorized reproduction prohibited.
Largest Crystal Size: 12 mm

A sharp terminated gemmy xl composed of dark green Allanite-(Ce) zoned with light brown Dissakisite-(Ce) crystal measuring 12 mm in height on a matrix of crystallized calcite. Now in Woodside collection.

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Photo added: 31st Aug 2007