A Geoscience Digital Image Library

TitleMaghemite from Twin Peaks, Millard County, Utah
DescriptionMaghemite (gamma-Fe2O3) formerly called gamma-hematite, martite or oxymagnetite, has the crystalline structure of magnetite, but the composition of hematite. On Earth, it is usually found only around the edges of regions of hydrothermal or magnetic activity, where the temperature ranges from 300 to 400°C.
LocationUSA ▹ Utah ▹ Millard. Near Twin Peaks.
PhotographerDarla Sondrol. 2001-07-23.
CollectionUniversity of North Dakota Mineralogy Collection #77.
Key wordsmaghemite gamma-hematite, martite, oxymagnetite, Utah
Tech details642 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1294