Common Silicate Minerals
||Type of rocks that they are commonly found within
|| How People Use Them
||Ultramafic igneous rocks
||Basaltic igneous rocks
|Amphibole group (example: hornblende)
||Andesitic igneous rocks
|Andesitic igneous rocks
||Colonial Americans used sheets of mica as window glass.
|Granitic igneous rocks
||Important for making ceramics and glass
||Granitic igneous rocks
||Quartz is the raw material for glass and helps clocks keep time.
* Click on images above for full size.
Last modified April 18, 2003 by Lisa Gardiner.
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The Fall 2010 issue of The Earth Scientist
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