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Glite Dictionary
muscovite

muscovite

1 9.9
A shiny mineral that forms thin, clear sheets used for electrical insulation
  • noun
  • /ˈmʌskəˌvaɪt/
  • Specialized
: muscovita
  • The geologist examined a piece of muscovite under the microscope.

Examples

  • Muscovite is often used in electrical insulators due to its heat resistance.

  • Geologists identified the shiny mineral as muscovite during the survey.

  • The thin layers of muscovite in the rock reflected light like tiny mirrors.

  • Can you identify muscovite in this rock sample?

  • The geologist identified the muscovite among the various minerals in the rock samples, noting its transparent sheets and pale brown color.

  • In the classroom, the teacher explained that muscovite can be found in many granite rocks, often appearing as thin, shiny flakes.

  • During the mineralogy field trip, students collected muscovite samples, which they learned can be easily split into thin sheets.

How Rare

clintonite
  • Specialized
9.9
muscovite
  • Specialized
1 9.9
quartz
19 3.7

Surface Forms

muscovite singular
muscovites plural

Morphology

muscovite = Muscovy (semi-transparent) = muscov + ite

Formed from the place-name 'Muscovy' plus the mineral-forming suffix '-ite'; the morphological composition is evident but the specific mineral meaning may not be obvious to average learners.

Etymology

The word muscovite comes from Muscovy, the old name for the Moscow area, because thin sheets of this mineral were once used as 'Muscovy glass' for windows. The ending -ite marks it as a mineral, so the name helps you remember that muscovite is a shiny, sheet-like mineral.