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Franklinfurnaceite, Franklinite


Franklinfurnaceite : Ca2FeMn3MnZn2Si2O10(OH)8, Franklinite : Zn2+Fe3+2O4

Photo Copyright © 2007, Jeffrey G. Weissman  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
Brown resinous mass of franklinfurnaceite, in black franklinite, with white calcite. Two minerals, named after the same locality, occuring in the same specimen! 0.6 cm field of view.

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