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α-Vredenburgite

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Formula:
(Mn,Fe)3O4
Crystal System:
Tetragonal
Distinct from vredenburgite (= β-vredenburgite, a mixture of jacobsite and hausmannite), this is a homogenous tetragonal metastable phase. Perhaps synonymous with iwakiite. Modern reinvestigation needed.

Originally described from Långban, Filipstad, Värmland, Sweden.


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Name EncodingHide

CP1252:
a-Vredenburgite
Latin-1:
a-Vredenburgite
ASCII-7:
a-Vredenburgite

Unique IdentifiersHide

Mindat ID:
9560
Long-form identifier:
mindat:1:1:9560:6

Similar NamesHide

Chemistry of α-VredenburgiteHide

Mindat Formula:
(Mn,Fe)3O4
Element Weights:
Element% weight
Mn72.031 %
O27.970 %

Calculated from ideal end-member formula.

Crystallography of α-VredenburgiteHide

Crystal System:
Tetragonal

First Recorded Occurrence of α-VredenburgiteHide

Synonyms of α-VredenburgiteHide

Other Language Names for α-VredenburgiteHide

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 α-VredenburgiteHide

References for α-VredenburgiteHide

Localities for α-VredenburgiteHide

Showing 1 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.
Sweden (FRL)
 
  • Värmland County
    • Filipstad
      • Långban Ore District
Mason (1943)
 
and/or  
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