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A Geoscience Digital Image Library

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TitleMagnetite porphyroblasts in specularite
DescriptionMagnetite, Fe3O4 (iron oxide), may form a yellow-brown rust coating if washed or kept in a moist area. If a specimen must by washed, it should be dried immediately. To prevent rusting, specimens should be stored in dry areas.
LocationUSA ▹ Michigan
PhotographerDarla Sondrol. 2001-07-30.
CollectionUniversity of North Dakota Mineralogy Collection #471.
Key wordsMagnetite, Porphyroblasts, Specularite, Michigan
Tech details883 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1384