Title | Pyrolusite from Herdorf, Australia |
Description | Pyrolusite, MnO2, is typically black, here it is dark brown. It is generally a secondary mineral, found as coatings, nodules, dendrites or in beds. This specimen is about 8 cm across. |
Location | Australia. Near Herdorf. |
Photographer | Shannon Heinle. 2001-02-08. |
Collection | University of North Dakota Mineralogy Collection #707. |
Key words | pyrolusite, Australia |
Tech details | 832 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
GeoDIL number | 36 |
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