A Geoscience Digital Image Library

TitleSiderite from Allevard, France
DescriptionSiderite is iron carbonate. It is closely related to calcite but contains iron instead of calcium. It generally forms massive or fine grained samples like the one shown here. A close look at this specimen reveals some crystal faces and rhombohedral cleavage, typical of the calcite group of minerals. Siderite is, in some places, mined as an ore of iron. This specimen is 9 cm across.
LocationFrance. Near Allevard.
PhotographerDarla Sondrol. 2001-06-20.
CollectionUniversity of North Dakota Mineralogy Collection #297.
Key wordsFrance, siderite
Tech details758 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number808