Retzian Group
A group of related mineral species
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About Retzian Group
Formula:
Mn2+2REE(AsO4)(OH)4
A group of basic arsenates of REE and manganese, with the general formula indicated above.
Unique Identifiers
Mindat ID:
32010
Long-form identifier:
mindat:1:1:32010:4
Chemistry of Retzian Group
Mindat Formula:
Mn2+2REE(AsO4)(OH)4
Relationship of Retzian Group to other Species
Retzian Group Members:
| Retzian-(Ce) | Mn2+2Ce(AsO4)(OH)4 | Orth. mmm(2/m2/m2/m) : Pban |
| Retzian-(La) | Mn2+2La(AsO4)(OH)4 | Orth. mmm(2/m2/m2/m) : Pban |
| Retzian-(Nd) | Mn2+2Nd(AsO4)(OH)4 | Orth. mmm(2/m2/m2/m) : Pban |
Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.
Minerals structurally related to group:
| 'Retzian-(Ce)' | Mn2+2Ce(AsO4)(OH)4 | |
| 'Retzian-(La)' | Mn2+2La(AsO4)(OH)4 | |
| 'Retzian-(Nd)' | Mn2+2Nd(AsO4)(OH)4 |
Other Information
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 Retzian Group
mindat.org URL:
https://www.mindat.org/min-32010.html
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References for Retzian Group
Localities for Retzian Group
Showing 12 localities.
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The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Antarctica | |
| [Retzian-(Ce)] Plimer et al. (1983) |
Greece | |
| [Retzian-(Ce)] Stouraiti et al. (2022) |
Kazakhstan | |
| [Retzian-(La)] Vereshchagin et al. (2019) |
South Africa | |
| [Retzian-(Ce)] Mitchell et al. (2004) |
Sweden | |
| [Retzian-(Ce)] Moore (1978) |
| [Retzian-(Ce)] Bull. Geol. Inst. Univ. Upsala (1895) +2 other references | |
| [Retzian-(Ce)] Holtstam +6 other references |
Switzerland | |
| [Retzian-(La), Retzian-(Nd)] Stalder et al. (1998) +1 other reference |
USA | |
| [Retzian-(La), Retzian-(Nd)] Dunn et al. (1984) +1 other reference |
Moss mine, Nordmark Odal Field, Filipstad, Värmland County, Sweden