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October 22, 2014

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Romanite, Uraninite

Locality: Dzhigda U ore occurrence, Dambuki ore cluster, Amurskaya Oblast', Far-Eastern Region, Russia

Posted by: Pavel Kartashov

Autoradiography from back, cut side of the specimen. It was performed on usual white-black photo-paper for 30 days. Grains of romanite looks slightly blurred as a result of such long exposition. But more short experiments (3, 6 and 12 days) gave more sharp but very weak picture. In any case distribution of tabular romanite grains and dot-like impregnations of later uraninite are well visible here. Apparently use of special photo materials would allow to obtain better pictures for more short time. The original autoradiography was specular returned by computer software for more simple ...

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands 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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