Difference between revisions of "Micas"
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[[Image:Mica.jpg|thumb|300px|Micas]] | [[Image:Mica.jpg|thumb|300px|Micas]] | ||
| − | '''Micas''' are a group of [[silica]]te [[mineral]]s | + | '''Micas''' are a group of [[silica]]te [[mineral]]s composed of varying amounts of [[potassium]], [[magnesium]], [[iron]] as well as [[aluminum]], [[silicon]] and [[water]].<ref>http://wrgis.wr.usgs.gov/docs/parks/rxmin/mineral.html#amphibole</ref> |
==References== | ==References== | ||
