noun
- Plural of phlogopite; a common mica mineral that is typically brown or reddish-brown and contains magnesium and aluminum silicates.
Usage: technical; mineralogy
Examples
- Phlogopites are frequently found in metamorphic rocks and igneous formations.
- The geologist identified several phlogopites in the thin section under the microscope.
- Phlogopites have a characteristic bronze or copper-brown color that distinguishes them from other mica varieties.
- Industrial applications of phlogopites include use as insulators and in refractory materials.
- The sample contained layers of phlogopites interspersed with feldspar crystals.