Mineral
By: SCH

    A mineral is a rock-like substance.  They come in many shapes, sizes, and colors.  Minerals are usually named for the chemicals that they contain.  One example is Quartzite.  They are classified in several "classes" by their  common properties or characteristics. Works Cited:

Rocks and Minerals. The Franklin Institute Online. 02 Dec. 2002 <http://sln.fi.edu/tfi/units/rocks/rocks.html>.
                                                                             
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