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Topaz : Al2(SiO4)(F,OH)2

Copyright © 2006 John Sobolewski
 
 
minID: QCD-DAK

Topaz : Al2(SiO4)(F,OH)2

Copyright © 2006 John Sobolewski  - This image is copyrighted. Unauthorized reproduction prohibited.

A mostly clear 2.4 by 2.0 cms crystal on white Cleavelandite. John Sobolewski specimen and photograph.

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Photo added: 23rd May 2006