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Katophorite : {Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2, Microcline : KAlSi3O8

Copyright © Knut Edvard Larsen
 
 
minID: 6YD-LV4

Katophorite : {Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2, Microcline : KAlSi3O8

Copyright © Knut Edvard Larsen  - This image is copyrighted. Unauthorized reproduction prohibited.

A black katophorite (formerly magnesiokatophorite) crystal with microcline. The crystal measures 7 x 2,5 cm. Collected 28.01.1977.
Photo and collection (# 251): Knut Edvard Larsen

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Photo added: 24th Jan 2012