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Topaz : Al2(SiO4)(F,OH)2, Albite : NaAlSi3O8, Muscovite : KAl2(AlSi3O10)(OH)2

Copyright © 2009 Jesse Fisher. Reproduction prohibited without permission.
 
 
minID: JQ3-7NK

Topaz : Al2(SiO4)(F,OH)2, Albite : NaAlSi3O8, Muscovite : KAl2(AlSi3O10)(OH)2

Copyright © 2009 Jesse Fisher. Reproduction prohibited without permission.  - This image is copyrighted. Unauthorized reproduction prohibited.

A cluster of well-formed pale blue-green topaz crystals up to 4.5 cm long on a matrix of cleavelandite (albite) and muscovite.

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Photo added: 19th Jan 2009