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Muscovite-3T

A structural variant of Muscovite
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Formula:
KAl2(AlSi3O10)(OH)2
Crystal System:
Trigonal
A polytype of Muscovite


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Unique IdentifiersHide

Mindat ID:
32153
Long-form identifier:
mindat:1:1:32153:8

Chemistry of Muscovite-3THide

Mindat Formula:
KAl2(AlSi3O10)(OH)2
Element Weights:
Element% weight
O48.202 %
Si21.154 %
Al20.322 %
K9.816 %
H0.506 %

Calculated from ideal end-member formula.
Elements listed:
Al, H, K, O, Si - search for minerals with similar chemistry

Crystallography of Muscovite-3THide

Crystal System:
Trigonal
Class (H-M):
32 - Trapezohedral
Space Group:
P3112
Cell Parameters:
a = 5.1963(4) Å, c = 16 Å
Ratio:
a:c = 1 : 3.079
Unit Cell V:
374.14 ų (Calculated from Unit Cell)

Synonyms of Muscovite-3THide

Other Language Names for Muscovite-3THide

RadioactivityHide

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-3THide

References for Muscovite-3THide

Localities for Muscovite-3THide

Showing 3 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Germany
 
  • Thuringia
    • Nordhausen District
      • Ellrich
        • Sülzhayn
Gröbner et al. (2011)
Norway
 
  • Telemark
    • Drangedal
      • Tørdal
Raade (1970)
  • Trøndelag
    • Oppdal
Witsø (1995)
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