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Quartz (Var: Chalcedony) : SiO2

Copyright © Albert Russ
 
 
minID: 1QA-52N

Quartz (Var: Chalcedony) : SiO2

Copyright © Albert Russ  - This image is copyrighted. Unauthorized reproduction prohibited.

One of few higher quality chalcedony specimens, found by Miroslav Bacher in Bysta. Specimen is 12 cm across. Collection and photo: Albert Russ.

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Photo added: 29th May 2008