Niels Viggo Ussing

Niels Viggo Ussing. Photograph from Johannsen, Albert, 1939, A Descriptive Petrography of the Igneous Rocks. Volume IV.

This photo has been shown 173 times

Photo added: 2nd Nov 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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