crystal face

A Dictionary of Earth Sciences | 1999 | 283 words | Copyright

crystal face One of the relatively flat surfaces by which a crystal is bounded. Faces are produced naturally during the process of crystal growth. Cut and polished gemstones are bounded by plane faces which are often produced artificially and which, therefore, are not crystal faces.

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AILSA ALLABY and MICHAEL ALLABY. "crystal face." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

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AILSA ALLABY and MICHAEL ALLABY. "crystal face." A Dictionary of Earth Sciences. 1999. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-crystalface.html

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