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Barium-bearing Muscovite

A variety of Muscovite
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Formula:
(K,Ba)(Al,Mg)2(AlSi3O10)(OH)2
Name:
Named in 1933 by Lawson H. Bauer and Harry Berman for its chemical relationship to muscovite.
A barium-rich variety of muscovite; probably equivalent to oellacherite; part of the series between muscovite and ganterite.


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Unique IdentifiersHide

Mindat ID:
2958 (as Barium-bearing Muscovite)
2815 (as Muscovite)
Long-form identifier:
mindat:1:1:2958:8 (as Barium-bearing Muscovite)
mindat:1:1:2815:4 (as Muscovite)

Chemistry of Barium-bearing MuscoviteHide

Mindat Formula:
(K,Ba)(Al,Mg)2(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, Ba, H, K, Mg, O, Si - search for minerals with similar chemistry

Synonyms of Barium-bearing MuscoviteHide

Other Language Names for Barium-bearing MuscoviteHide

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 Barium-bearing MuscoviteHide

References for Barium-bearing MuscoviteHide

Localities for Barium-bearing MuscoviteHide

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 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.
Greece
 
  • South Aegean
    • Andros
Reinecke (1982)
UK
 
  • Scotland
    • Perth and Kinross
      • Aberfeldy
Moles (2025)
Moles (2025)
USA
 
  • Alaska
    • Haines
Steeves et al. (2016)
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