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Mica Group

A group of related mineral species
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Mica is the term for a large group of sheet silicates that can be parted into flexible or brittle sheets. Includes the True Micas or Common Micas (with monovalent interlayer cations, e.g.muscovite,paragonite,ephesite) and theBrittle Micas (with divalent interlayer cations, e.g.margarite,clintonite). Also known as the "mica family".

Mica are also mostly subdivided intoDioctahedral mica andTrioctahedral mica; some are mixed.


Unique Identifiers19990.000129319993.9429319990293199905691999070819990293

Other Language Names for Mica Group

Varieties of Mica GroupLepidomelaneGeneral term for dark Fe-rich micas that have not been sufficiently well analyzed to determine the species. Generally a biotite group mineral and can includeannite,tetra-ferri-annite,siderophyllite, and perhaps other species too.

Relationship of Mica Group to other Species

Other InformationQuartz-rich-coarse-grained-crystalline-rock
  • Granitoid
  • Syenitoid
  • Dioritoid
  • Gabbroid
  • Anorthositoid
  • Foid-syenitoid
  • Foid-dioritoid
  • Foid-gabbroid
  • Foidolite
  • Coarse-grained-ultramafic-rock
  • Apotroctolite
  • Fine-grained ("volcanic") normal crystalline igneous rock
  • Dolerite
  • Porphyry
  • Exotic crystalline igneous rock
  • Pegmatite
  • Sedimentary rock and sediment
  • Metamorphic rock

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    • References for Mica GroupⓘHoskins mine[Norrishite]AM 1989+2 other references[Lepidolite]Personally collected by Ryan Eagle in ...[Tetraferriannite]Miyano et al. (1983)
    Austria
     
    [Aluminoceladonite]Rieder et al. (1998)[Aluminoceladonite]rruff.info (2023)[Aspidolite]von Kobell (1869)+1 other reference
    Canada
     
    [Biotite]Olivier Langelier Collection[Aspidolite]Belley et al. (2016)
    China
     
    [Nanpingite]Rao+5 other references[Luanshiweiite]Williams et al. (2012)+2 other references[Fluorluanshiweiite]Mineralogical Magazine+2 other references[Yangzhumingite]Miyawaki et al. (2011)[Fluorannite]Shen Ganfu et al. (2000)
    France
     
    [Montdorite]Robert et al. (1979)
    Germany
     
    [Biotite var: Wodanite]Freudenberg (1919)[Oxyphlogopite]Chukanov N.V. et al.: Oxyphlogopite (Mg,Ti,Fe)[Celadonite]
    Greenland
     
    [Tainiolite]Bøggild (1953)[Polylithionite]Lorenzen (1881)+2 other references
    Italy
     
    [Balestraite]Williams et al. (2013)+1 other reference[Fluorophlogopite]Gianfagna et al. (2007)+1 other reference[Celadonite]Exel (1987)[Celadonite]Exel (1987)
    Japan
     
    [Shirozulite]Ishida et al. (2004)[Tobelite]Higashi (1982)[Aspidolite]Banno et al. (2005)[Tobelite]Min.Journ.Japan (1982)+1 other reference[Masutomilite]Nagashima (1975)+2 other references
    Namibia
     
    [Lepidolite]von Bezing (2007)
    New Zealand
     
    [Ferroaluminoceladonite]Li et al. (1997)
    Peru
     
    [Muscovite]collections of Rock Currier+1 other reference
    Russia
     
    [Chromphyllite]Reznitsky et al. (1997)+1 other reference[Shirokshinite]Pekov et al. (2003)[Tetraferriphlogopite]World of Stones 95: 5-6+3 other references[Voloshinite]Pekov et al. (2009)+1 other reference[Chromceladonite]Mandarino (2002)+2 other references
    Spain
     
    [Suhailite]Ruiz Cruz et al. (2009)
    Sweden
     
    [Biotite var: Manganophyllite]Igelström (1872)+1 other reference
    Switzerland
     
    [Paragonite]Schaller et al. (1941)+3 other references[Preiswerkite]Keusen et al. (1980)+1 other reference[Muscovite]
    Tajikistan
     
    [Sokolovaite]Agakhanov et al. (2005)+6 other references
    Turkey
     
    [Ephesite]Smith J L (1851)+2 other references
    UK
     
    [Paragonite var: Brammallite]DAN Earth Sci. 208 (1973)+1 other reference
    Ukraine
     
    [Glauconite]www.minsocam.org (2012)
    USA
     
    [Muscovite]Solomon Feinstein Collection.+1 other reference[Roscoelite]www.eldoradolibrary.org+7 other references[Phengite var: Mariposite]Bowen et al. (1957)+2 other references[Boromuscovite]Foord et al. (1989)+2 other references[Muscovite]Ron Layton Collection[Siderophyllite]Eckel et al. (1997)[Muscovite]Cameron+7 other references[Muscovite]Rocks & Min 74:121 (1999)+1 other reference[Lepidolite]USGS Professional Paper 255.+9 other references[Muscovite]LMSCC Newsletter+1 other reference[Lepidolite]Bowman (1902)+4 other references[Muscovite var: Schernikite]Adam Berlutti collection[Lepidolite]USGS Professional Paper 255: 333-338.+5 other references[Muscovite]Januzzi et al. (1976)[Lepidolite]Barton and Goldsmith (1968)+3 other references[Muscovite]Anthony Scalzi collection[Biotite]Ague (1995)+1 other reference[Muscovite var: Illite]GSA Bulletin+3 other references[Lepidolite]King et al. (1991)+4 other references[Muscovite var: Schernikite]Cliff Trebilcock collection+1 other reference[Annite]Dana et al. (1868)+1 other reference[Fluorophlogopite]Dunn (1995)[Hendricksite]Frondel et al. (1966)+3 other references[Hendricksite]Frondel et al. (1966)[Hendricksite]Moritz (n.d.)+2 other references[Fluorophlogopite]Tracy (1991)[Phlogopite]Jaszczak (1997)[Celadonite]Hershel Friedman collection (2007)[Phlogopite]Robinson et al. (2007)+1 other reference[Muscovite]K. Wood collection[Muscovite]- (2005)[Muscovite]Gordon (1922)[Eastonite]The Mineralogy of Pennsylvania+5 other references[Muscovite]Dana 6: 1088+5 other references[Muscovite]F Roberts[Glauconite]Färber (n.d.)[Wonesite]Amer.Min. (1981)
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