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Jeppeite Group
A group of related mineral species
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About Jeppeite Group
The nomenclature was established by Juroszek et al. (2026).
The group currently (Sept. 2026) comprises three natural hexatitanate minerals with the general crystal-chemical formula VIIIA2VIM6O13: jeppeite, nixonite and hopmannite.
The group currently (Sept. 2026) comprises three natural hexatitanate minerals with the general crystal-chemical formula VIIIA2VIM6O13: jeppeite, nixonite and hopmannite.
Unique Identifiers
Mindat ID:
494675
Long-form identifier:
mindat:1:1:494675:1
IMA Classification of Jeppeite Group
IMA status notes:
IMA Approved Group Name
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0010602 | Jeppeite | Cid-Dresdner H, Buerger M J (1962) The crystal structure of potassium hexatitanate K2Ti6O13 Zeitschrift fur Kristallographie 117 411-430 |  | 1962 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Jeppeite Group to other Species
Jeppeite Group Members:
| Hopmannite | Ba2(Ti5Fe)O13 | Mon. 2/m : B2/m |
| Jeppeite | K2Ti6O13 | Mon. 2/m : B2/m |
| Nixonite | Na2Ti6O13 | Mon. 2/m : B2/m |
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.
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 Jeppeite Group
mindat.org URL:
https://www.mindat.org/min-494675.html
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Please feel free to link to this page.
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References for Jeppeite Group
Localities for Jeppeite Group
Showing 9 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
Australia | |
| [Jeppeite] Pryce et al. (1984) +2 other references |
| [Jeppeite] Boxer et al. (1990) |
Canada | |
| [Nixonite] Anzolini et al. (2019) |
| [Jeppeite, Nixonite] Anzolini et al. (2019) | |
Germany | |
| [Hopmannite] Juroszek et al. (2025) +1 other reference |
Ivory Coast | |
| [Jeppeite] Allialy et al. (2011) |
| [Jeppeite] Pouclet A. et al. (2004) |
USA | |
| [Jeppeite] Grey et al. (1998) +1 other reference |
Walgidee Hills, Noonkanbah Station, Derby-West Kimberley Shire, Western Australia, Australia