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Encyclopedia :
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FEL :
Feldspathoid |
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FeldspathoidThe feldspathoids are a group of tectosilicate minerals which resemble feldspars but have a different structure and much lower silica content. They occur in rare and unusual igneous rocks.Feldspathoid Minerals
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This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License. |
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| © 2008 Chamas Enterprises Inc. |
