Uramarsite

Locality: Darasun Au deposit, Vershino-Darasunskiy, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia

SEM image of tabular quadrangular crystals of Uramarsite. Usually they are light-yellow or slightly greenish-yellow colour and are similar to any uranoan mica. These crystals grow in small cavities within massive native Arsenic and usually are underlayed by bothrioidal crusts of Goethite. Uramarsite is represented here Ni-Cu-bearing variety transitive to Rauchite and Zeunerite. Analytical data are available on the daughter photo. Collected in the end of 60th. Pavel M. Kartashov collection and photo.

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Photo added: 2nd Jun 2009

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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