SFMS Field Trips
Iridescent hematite from Graves Mountain, GA, Image Credit: Lori Carter
(See below for more about this image)
The Southeast Federation of Mineralogical Societies sponsors federation-wide field trips as well as a field trip sharing program called the DMC (originally the Dixie Mineral Council). Clubs in the program take turns sharing one of their field trips with other clubs in the program. This increases the number of field trips a club can offer their members, and members enjoy a variety of field trips all over the southeast. For more information about the program, click here for the DMC pages.
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Hematite is an iron oxide mineral. The iridescence (rainbow colors) in this specimen are caused by a thin layer of nanoparticles or nanocrystals.