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Ulexite : NaCa[B5O6(OH)6]·5H2O, Orpiment : As2S3

Copyright © 2009 JSS
 
 
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Ulexite : NaCa[B5O6(OH)6]·5H2O, Orpiment : As2S3


A 4.2 by 4.2 cms nodule of white "popcorn" Ulexite partially covered by orange Orpiment. These nodules were found years ago near the surface when the mine was being opened. JSS specimen and photo.

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Photo added: 5th Jun 2009