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Piemontite-Epidote Series
A solid-solution series between two end-member minerals
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About Piemontite-Epidote Series
Series Formula:
(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) to (CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Unique Identifiers
Mindat ID:
470375
Long-form identifier:
mindat:1:1:470375:0
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) |
|---|---|---|---|---|---|---|---|
| 0000041 | Epidote | Ito T (1947) The structure of epidote (HCa2(Al,Fe)Al2Si3O13) American Mineralogist 32 309-321 |  | 1947 | 0 | 293 | |
| 0000226 | Epidote | Dollase W A (1971) Refinement of the crystal structures of epidote, allanite and hancockite American Mineralogist 56 447-464 | | 1971 | 0 | 293 | |
| 0000229 | Epidote | Dollase W A (1971) Refinement of the crystal structures of epidote, allanite and hancockite American Mineralogist 56 447-464 | | 1971 | 0 | 293 | |
| 0000308 | Epidote | Gabe E J, Portheine J C, Whitlow S H (1973) A reinvestigation of the epidote structure: Confirmation of the iron location sample HEP American Mineralogist 58 218-223 | | 1973 | 0 | 293 | |
| 0000309 | Epidote | Gabe E J, Portheine J C, Whitlow S H (1973) A reinvestigation of the epidote structure: Confirmation of the iron location sample LEP American Mineralogist 58 218-223 | | 1973 | 0 | 293 | |
| 0002248 | Epidote | Giuli G, Bonazzi P, Menchetti S (1999) Al-Fe disorder in synthetic epidotes: A single-crystal X-ray diffraction study American Mineralogist 84 933-936 | | 1999 | 0 | 293 | |
| 0016949 | Epidote | Nagashima M, Akasada M (2010) X-ray Rietveld and 57Fe Mossbauer studies of epidote and piemontite on the join Ca2Al2FeSi3O12(OH) - Ca2Al2MnSi3O12(OH) formed by hydrothermal synthesis American Mineralogist 95 1237-1246 | 2010 | synthetic | 0 | 293 | |
| 0016950 | Epidote | Nagashima M, Akasada M (2010) X-ray Rietveld and 57Fe Mossbauer studies of epidote and piemontite on the join Ca2Al2FeSi3O12(OH) - Ca2Al2MnSi3O12(OH) formed by hydrothermal synthesis American Mineralogist 95 1237-1246 | 2010 | synthetic | 0 | 293 | |
| 0016951 | Epidote | Nagashima M, Akasada M (2010) X-ray Rietveld and 57Fe Mossbauer studies of epidote and piemontite on the join Ca2Al2FeSi3O12(OH) - Ca2Al2MnSi3O12(OH) formed by hydrothermal synthesis American Mineralogist 95 1237-1246 | 2010 | synthetic | 0 | 293 | |
| 0016952 | Epidote | Nagashima M, Akasada M (2010) X-ray Rietveld and 57Fe Mossbauer studies of epidote and piemontite on the join Ca2Al2FeSi3O12(OH) - Ca2Al2MnSi3O12(OH) formed by hydrothermal synthesis American Mineralogist 95 1237-1246 | 2010 | synthetic | 0 | 293 | |
| 0000191 | Piemontite | Dollase W A (1969) Crystal structure and cation ordering of piemontite American Mineralogist 54 710-717 | | 1969 | 0 | 293 | |
| 0001202 | Piemontite | Catti M, Ferraris G, Ivaldi G (1988) Thermal behavior of the crystal structure of strontian piemontite American Mineralogist 73 1370-1376 | | 1988 | 0 | 293 | |
| 0001203 | Piemontite | Catti M, Ferraris G, Ivaldi G (1988) Thermal behavior of the crystal structure of strontian piemontite American Mineralogist 73 1370-1376 | | 1988 | 0 | 293 | |
| 0001798 | Piemontite | Bonazzi P, Menchetti S, Reinecke T (1996) Solid solution between piemontite and androsite-(La), a new mineral of the epidote group from Andros Island, Greece American Mineralogist 81 735-742 | | 1996 | 0 | 293 | |
| 0003586 | Piemontite | Nagashima M, Akasaka M (2004) An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis American Mineralogist 89 1119-1129 | | 2004 | 0 | 293 | |
| 0003587 | Piemontite | Nagashima M, Akasaka M (2004) An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis American Mineralogist 89 1119-1129 | | 2004 | 0 | 293 | |
| 0003588 | Piemontite | Nagashima M, Akasaka M (2004) An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis American Mineralogist 89 1119-1129 | | 2004 | 0 | 293 | |
| 0003589 | Piemontite | Nagashima M, Akasaka M (2004) An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis American Mineralogist 89 1119-1129 | | 2004 | 0 | 293 | |
| 0003590 | Piemontite | Nagashima M, Akasaka M (2004) An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis American Mineralogist 89 1119-1129 | | 2004 | 0 | 293 | |
| 0003591 | Piemontite | Nagashima M, Akasaka M (2004) An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis American Mineralogist 89 1119-1129 | | 2004 | 0 | 293 | |
| 0003592 | Piemontite | Nagashima M, Akasaka M (2004) An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis American Mineralogist 89 1119-1129 | | 2004 | 0 | 293 | |
| 0003593 | Piemontite | Nagashima M, Akasaka M (2004) An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis American Mineralogist 89 1119-1129 | | 2004 | 0 | 293 | |
| 0003594 | Piemontite | Nagashima M, Akasaka M (2004) An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis American Mineralogist 89 1119-1129 | | 2004 | 0 | 293 | |
| 0003595 | Piemontite | Nagashima M, Akasaka M (2004) An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis American Mineralogist 89 1119-1129 | | 2004 | 0 | 293 | |
| 0003596 | Piemontite | Nagashima M, Akasaka M (2004) An X-ray Rietveld study of piemontite on the join Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis American Mineralogist 89 1119-1129 | | 2004 | 0 | 293 | |
| 0016953 | Piemontite | Nagashima M, Akasada M (2010) X-ray Rietveld and 57Fe Mossbauer studies of epidote and piemontite on the join Ca2Al2FeSi3O12(OH) - Ca2Al2MnSi3O12(OH) formed by hydrothermal synthesis American Mineralogist 95 1237-1246 | 2010 | synthetic | 0 | 293 | |
| 0016954 | Piemontite | Nagashima M, Akasada M (2010) X-ray Rietveld and 57Fe Mossbauer studies of epidote and piemontite on the join Ca2Al2FeSi3O12(OH) - Ca2Al2MnSi3O12(OH) formed by hydrothermal synthesis American Mineralogist 95 1237-1246 | 2010 | synthetic | 0 | 293 | |
| 0006434 | Piemontite | Bonazzi P, Garbarino C, Menchetti S (1992) Crystal chemistry of piemontites: REE-bearing piemontite from Monte Brugiana, Alpi Apuane, Italy European Journal of Mineralogy 4 23-33 | 1992 | Monte Brugiana, Alpi Apuane, Italy | 0 | 293 | |
| 0006435 | Piemontite | Bonazzi P, Garbarino C, Menchetti S (1992) Crystal chemistry of piemontites: REE-bearing piemontite from Monte Brugiana, Alpi Apuane, Italy European Journal of Mineralogy 4 23-33 | 1992 | Monte Brugiana, Alpi Apuane, Italy | 0 | 293 | |
| 0006436 | Piemontite | Bonazzi P, Garbarino C, Menchetti S (1992) Crystal chemistry of piemontites: REE-bearing piemontite from Monte Brugiana, Alpi Apuane, Italy European Journal of Mineralogy 4 23-33 | 1992 | Monte Brugiana, Alpi Apuane, Italy | 0 | 293 | |
| 0006437 | Piemontite | Bonazzi P, Garbarino C, Menchetti S (1992) Crystal chemistry of piemontites: REE-bearing piemontite from Monte Brugiana, Alpi Apuane, Italy European Journal of Mineralogy 4 23-33 | 1992 | Monte Brugiana, Alpi Apuane, Italy | 0 | 293 | |
| 0018299 | Piemontite | Nagashima M, Armbruster T, Akasaka M, Minakawa T (2010) Crystal chemistry of Mn2+-, Sr-rich and REE-bearing piemontite from the Kamisugai mine in the Sambagawa metamorphic belt, Shikoku, Japan Journal of Mineralogical and Petrological Sciences 105 142-150 | 2010 | Kamisugai mine, Sambagawa metamorphic belt, Shikoku, Japan | 0 | 293 |
CIF Raw Data - click here to close
Common Associates
Associated Minerals Based on Photo Data:
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.
Piemontite-Epidote Series in petrology
An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.
Internet Links for Piemontite-Epidote Series
mindat.org URL:
https://www.mindat.org/min-470375.html
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References for Piemontite-Epidote Series
Reference List:
Significant localities for Piemontite-Epidote Series
Showing 28 significant localities out of 11,347 recorded on mindat.org.
symbol to view information about a locality.
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.
Austria | |
| [Epidote] Niedermayr et al. (1995) |
| [Epidote] Mason (1976) +3 other references |
Belgium | |
| [Epidote] Stöber (1895) +2 other references |
Ecuador | |
| [Epidote] Alejandro Felix Gutierrez |
France | |
| [Epidote] Haüy (1801a) +1 other reference |
| [Epidote] Piccoli (2002) +1 other reference |
| [Epidote] Serge Lavarde Collection |
| [Epidote] Serge Lavarde Collection | |
Guatemala | |
| [Epidote] USGS Bulletin 1034 |
Italy | |
| [Piemontite] Das Mohs'sche Mineralsystem +1 other reference |
| [Epidote] Borson (1811) +15 other references |
| [Epidote] Alpinisti M. (1981) +1 other reference |
| [Piemontite] Battaglia S. et al. (1977) |
| [Piemontite] Biagioni C. (Alpi Apuane, Lucca) | |
| [Piemontite] Biagioni C. (Alpi Apuane, Lucca) | |
Mexico | |
| [Epidote] Peninsular Range Collection - Curtis ... |
North Macedonia | |
| [Epidote] Bermanec et al. (2001) +1 other reference |
Pakistan | |
| [Epidote] Weerth (1991) |
Portugal | |
| [Epidote] |
South Africa | |
| [Epidote] PMPB Meulenbeld collection Photo ID: ... |
Sweden | |
| [Piemontite] Holtstam et al. (1993) |
UK | |
| [Epidote var: Withamite] C. Hintze: "Handbuch der Mineralogie" (1897) +2 other references |
USA | |
| [Epidote] Mason (1976) +1 other reference |
| [Epidote] Jake Harper: Field work |
| [Epidote] Betts (1999) |
| [Epidote] Davis (1901) +2 other references |
| [Epidote] Harvard Mineralogical Museum No. 119199 +1 other reference |
| [Epidote] Benham et al. (1985) |
Green Monster Mountain, Prince of Wales Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USA