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About mica
Mineral Muscovite.

Muscovite is a common rock forming mineral and is found in igneous, metamorphic and detrital sedimentary rocks. Muscovite has a layered structure of aluminum silicate sheets weakly bonded together by layers of potassium ions. These potassium ion layers produce the perfect cleavage of muscovite. Although it has such easy cleavage, the cleavage sheets are quite durable and are often found in sands that have undergone much erosion and transport that would have destroyed most other minerals. The sheets of muscovite also have high heat and electrical insulating properties and are used to make many electical components. Muscovite sheets were used for kitchen oven windows before synthetic materials replaced them.
Muscovite is not often valuable as a mineral specimen but is often associated with other minerals of extrodinary beauty and value. Some very nice muscovite crystals accompany such valuable minerals as tourmaline, topaz, beryl, almandine and others. A rare twin variety from Brazil forms yellow five pointed stars and is called "Star Muscovite".
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  • Phlogopite
    more
    details
  • Crystallography
    details
  • MICA
    the Maryland Institute College of Art
    details
  • Mica Lighting .
    http://www.micalamps.com/
    details
  • Phyllosilicate mineral of aluminium and potassium
    http://en.wikipedia.org/wiki/Muscovite
    details
  • Silver mica
    http://www.patentstorm.us/patents/4025829.html
    details
  • MICA-Mineral Information Institute
    http://www.google.com/
    details
  • Biotite
    http://www.britannica.com/EBchecked/topic/66240/biotite
    details
  • Muscovite.
    http://www.mineralszone.com/minerals
    details
  • Mica-aluminum silicate minerals.
    http://www.answers.com/topic/mica
    details
  • Mica Shields
    details
  • Mica Histori & General Information.
    details
  • Muscovite.
    http://itc.gsw.edu/faculty/bcarter/physgeol/min/musc.htm
    details
  • Britannica about mica.
    Asian deposits, chemical etching, compressibility...
    details
  • Micanite.
    details
  • Mineral Muscovite.
    details
  • The Mica Group of minerals
    details
  • Mica - Explanation and use.
    details
  • Mica grouping (chemical composition)
    details
  • Molding micaceous laminate
    details
  • Mica insulation
    details
  • New electric insulating materials
    details
  • SOGM - SMOG
    details
  • Mica and ecology
    details
  • English version (page about mica)
    details
  • Chemical composition of mica
    details
  • Molding micanite, Federal Standard 6122-75
    details
  • Key trends in mica consumption. Application areas
    details
  • Mica types, grades and application areas
    details
  • If microwave oven's strip burned out
    details
  • Universal insulating materials
    details
  • Mica-bearing materials list
    details
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