Liou, Juhn G. Geological and Environmental Sciences, Stanford University, Stanford, California.
Corona, Juan C. Department of Geological and Environmental Sciences, Binghamton University, Binghamton, New York.
Tsujimori, Tatsuki Institute for Study of the Earth's Interior, Okayama University, Misasa, Japan.
Last reviewed:November 2019
- Tectonic significance
- Related Primary Literature
- Additional Reading
A monoclinic sodic amphibole with composition close to Na2(Mg3Al2)Si8O22(OH)2. This mineral exhibits a characteristic blue color with distinct pleochroism from colorless to lavender blue when viewed in thin section by plane-polarized light. Outcrops of glaucophane-rich metamorphic rocks are commonly blue and tend to have good foliation; these rocks are termed blueschists. See also: Amphibole; Blueschist; Pleochroism
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