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Muscovite-1M

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About Muscovite-1MHide

Crystal System:
Monoclinic
A polytype of Muscovite

Compare muscovite-1Md.


Crystallography of Muscovite-1MHide

Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
B2
Setting:
C2
Cell Parameters:
a = 5.186 Å, b = 8.952 Å, c = 10.12 Å
β = 101.8°
Ratio:
a:b:c = 0.579 : 1 : 1.13
Unit Cell V:
459.89 ų (Calculated from Unit Cell)
Comment:
From Russian structure solution (1975).

Other Language Names for Muscovite-1MHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Muscovite-1M associated with OrthoclaseK(AlSi3O8)

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Muscovite-1MHide

Localities for Muscovite-1MHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
France
 
  • Occitanie
    • Aveyron
      • Asprières
Leconte J., Hatert F., Grégoire L., (2016) - Bréziès, Asprières, Aveyron, France - Micromonteurs, p. 86
Norway
 
  • Akershus
    • Asker
Eldjarn, K. (1994): Uvitt-dravitt fra Borgenåsen, Asker. STEIN 21 (2), 148-151
    • Eidsvoll
      • Minnesund
Nordrum, F.S., Raade, G. (2006): The emerald deposit at Byrud, Eidsvoll, S. Norway. Norsk Bergverkmuseums Skrift. 33, 9-16
  • Aust-Agder
    • Froland
Åmli, R. (1977): Internal structure and mineralogy of the Gloserheia granite pegmatite, Froland, southern Norway. Norsk Geologisk Tidsskrift, 57: 243-262
    • Iveland
      • Birkeland
Frigstad, O.F. (1968): En undersøkelse av cleavelandittsonerte pegmatittganger i Iveland-Evje, Nedre Setesdal. Hovedfagsoppgave (Thesis), University of Oslo.
Frigstad, O.F. (1968): En undersøkelse av cleavelandittsonerte pegmatittganger i Iveland-Evje, Nedre Setesdal. Hovedfagsoppgave (Thesis), University of Oslo.
  • Buskerud
    • Lier
Hurum, H. H. (1999): Neuer Apatit-Fund aus dem Drammen-Granit bei Lier in Norwegen. Mineralien Welt 10 (5), 62-63
    • Nedre Eiker
      • Nedre Eiker Church
Raade, G. (1962): On the occurence of 1M muscovite crystals from Nedre Eiker church. Norsk Geologisk Tidsskrift 42, 389
  • Oppland
    • Lunner
      • Nordmarka
Raade, G (2005): Gjerdingen-ekeritten, en unik mineralforekomst, Norsk Bergverksmuseum Skrift 30, p 18.
  • Telemark
    • Porsgrunn
      • Auenslandet
        • Sagåsen
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
  • Vestfold
    • Larvik
      • Hedrum
        • Lysebo
Svein A. Berge collection/observation 1992.
Svein A. Berge collection/observation 1992.ne
 
Mineral and/or Locality  
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