amphibole, Click Here to see full-size tableAny of a group of common rock-forming hydrous silicate minerals. Amphiboles occur in many igneous rocks as minor and major constituents and form the major component in many gneisses and schists. Some highly fibrous forms are collectively called asbestos.
amphibole Article
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Learn about amphiboles and their occurrence
Below is the article summary. For the full article, see amphibole.