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This is a feldspar mineral!
Look for it in igneous rocks where it looks like white or pink crystals. You might find it in other types of rocks as well.
Last modified April 25, 2003 by Lisa Gardiner.
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The Fall 2010 issue of The Earth Scientist
, focuses on rocks and minerals, including articles on minerals and mining, the use of minerals in society, and rare earth minerals, and includes 3 posters!
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