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Bournonite : PbCuSbS3, Quartz : SiO2

Copyright © Rock Currier
 
 
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Bournonite : PbCuSbS3, Quartz : SiO2

Copyright © Rock Currier  - This image is copyrighted. Unauthorized reproduction prohibited.

Bournonite and Quartz. From the collection of David Wilber (1973). Scale at bottom of image is an inch with a rule at one cm.



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Photo added: 23rd Dec 2009