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A Geoscience Digital Image Library

2344.jpg
TitleNontronite
DescriptionNontronite is a sodium ferric-iron silicate hydroxide hydrate mineral of the clay group. Nontronites chemical formula is Na0.3Fe+++2(Si,Al)4O10(OH)2·n(H2O). It is named after its locality in Nontrone, Dordogne, France.
LocationUSA ▹ North Dakota. Near Hazen.
PhotographerShannon Heinle. 2002-02-10.
CollectionUniversity of North Dakota Mineralogy Collection #1479.
Key wordsnontronite, silicate
Tech details335 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number2344