Julgoldite-(Fe2+)-Pumpellyite-(Mg) Series
A solid-solution series between two end-member minerals
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About Julgoldite-(Fe2+)-Pumpellyite-(Mg) Series
Crystal System:
Monoclinic
Series Formula:
Ca2Fe2+Fe23+[Si2O6OH][SiO4](OH)2(OH) to Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)
Unique Identifiers
Mindat ID:
8707
Long-form identifier:
mindat:1:1:8707:6
Similar Names
| Julgoldite | A synonym of Julgoldite Subgroup | |
| Julgoldite-(Fe2+) | A valid IMA mineral species | Ca2Fe2+Fe23+[Si2O6OH][SiO4](OH)2(OH) |
| Julgoldite-(Fe2+)-Pumpellyite-(Fe2+) Series | A solid-solution series between two end-member minerals | |
| Julgoldite-(Fe3+) | A valid IMA mineral species | Ca2Fe3+Fe23+[Si2O6OH][SiO4](OH)2O |
| Julgoldite-(Mg) | A valid IMA mineral species | Ca2MgFe23+[Si2O6OH][SiO4](OH)2(OH) |
Crystallography of Julgoldite-(Fe2+)-Pumpellyite-(Mg) Series
Crystal System:
Monoclinic
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) |
|---|---|---|---|---|---|---|---|
| 0017597 | Pumpellyite-(Mg) | Hamada M, Akasaka M, Seto S, Makino K (2010) Crystal chemistry of chromian pumpellyite from Osayama, Okayama Prefecture, Japan American Mineralogist 95 1294-1304 | ![]() | 2010 | Osayama ultramafic body, Okayama, Japan | 0 | 293 |
| 0017598 | Pumpellyite-(Mg) | Hamada M, Akasaka M, Seto S, Makino K (2010) Crystal chemistry of chromian pumpellyite from Osayama, Okayama Prefecture, Japan American Mineralogist 95 1294-1304 | ![]() | 2010 | Osayama ultramafic body, Okayama, Japan | 0 | 293 |
| 0017600 | Pumpellyite-(Mg) | Hamada M, Akasaka M, Seto S, Makino K (2010) Crystal chemistry of chromian pumpellyite from Osayama, Okayama Prefecture, Japan American Mineralogist 95 1294-1304 | ![]() | 2010 | Osayama ultramafic body, Okayama, Japan | 0 | 293 |
| 0017601 | Pumpellyite-(Mg) | Hamada M, Akasaka M, Seto S, Makino K (2010) Crystal chemistry of chromian pumpellyite from Osayama, Okayama Prefecture, Japan American Mineralogist 95 1294-1304 | ![]() | 2010 | Osayama ultramafic body, Okayama, Japan | 0 | 293 |
| 0007760 | Pumpellyite-(Mg) | Artioli G, Geiger C A (1994) The crystal chemistry of pumpellyite: An X-ray Rietveld refinement and 57Fe Mossbauer study Physics and Chemistry of Minerals 20 443-453 | 1994 | Keweenawan, Michigan | 0 | 293 | |
| 0009365 | Pumpellyite-(Mg) | Galli E, Alberti A (1969) On the crystal structure of pumpellyite Acta Crystallographica B25 2276-2281 | ![]() | 1969 | 0 | 293 | |
| 0018298 | Pumpellyite-(Mg) | Nagashima M, Akasaka M, Ikeda K, Kyono A, Makino K (2010) X-ray single-crystal and optical spectroscopic study of chromian pumpellyite from Sarany, Urals, Russia Journal of Mineralogical and Petrological Sciences 105 187-193 | 2010 | Sarany, Ural Mountains, Russia | 0 | 293 |
CIF Raw Data - click here to close
Common Associates
Associated Minerals Based on Photo Data:
| 1 photo of Julgoldite-(Fe2+)-Pumpellyite-(Mg) Series associated with Apophyllite Group | AB4[Si8O22]X · 8H2O |
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 Julgoldite-(Fe2+)-Pumpellyite-(Mg) Series
mindat.org URL:
https://www.mindat.org/min-8707.html
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References for Julgoldite-(Fe2+)-Pumpellyite-(Mg) Series
Localities for Julgoldite-(Fe2+)-Pumpellyite-(Mg) Series
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.





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The
Costa Sopramare, Levanto, La Spezia Province, Liguria, Italy