Hawthorne, Frank C. Department of Geological Sciences, University of Manitoba, Winnipeg, Canada.
- Chemical composition
- Classification of amphiboles
- Crystal structure
- Immiscibility and exsolution
- Fibrous amphiboles and health issues
- Amphiboles as gem materials
- Links to Primary Literature
- Additional Readings
A supergroup of silicate minerals that have similar chemical compositions and atomic arrangements and occur as rock-forming or accessory constituents in a wide variety of rocks. The crystal structure of the amphiboles is very chemically compliant and, as a result, the amphiboles show a larger range of chemical composition than any other group of minerals. The structural and chemical complexity of the amphiboles contains considerable information on the geologic processes that have affected the rocks in which they occur. See also: Mineral; Silicate minerals
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