Childrenite-Eosphorite Series
A solid-solution series between two end-member minerals
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About Childrenite-Eosphorite Series
Crystal System:
Orthorhombic
Series Formula:
Fe2+Al(PO4)(OH)2 · H2O to Mn2+Al(PO4)(OH)2 · H2O
Unique Identifiers
Mindat ID:
8940
Long-form identifier:
mindat:1:1:8940:7
Chemical Analysis
Oxide wt%:
| 1 | 2 | |
|---|---|---|
| P2O5 | 30,97 % | 30,69 % |
| Al2O3 | 21,77 % | 21,50 % |
| FeO | 16,59 % | 10,63 % |
| MnO | 13,55 % | 20,30 % |
| MgO | 0,07 % | 0,07 % |
| CaO | 0,09 % | 0,07 % |
| Total: | 80 % | 81 % |
Sample references:
| ID | Locality | Reference | Notes |
|---|---|---|---|
| 1 | Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda | ||
| 2 | " " |
Crystallography of Childrenite-Eosphorite Series
Crystal System:
Orthorhombic
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) |
|---|---|---|---|---|---|---|---|
| 0014501 | Eosphorite | Hoyos M A, Calderon T, Vergara I, Garcia-Sole J (1993) New structural and spectroscopic data for eosphorite Mineralogical Magazine 57 329-336 | ![]() | 1993 | Taquaral, Brazil | 0 | 293 |
| 0014786 | Childrenite | Giuseppetti G, Tadini C (1984) The crystal structure of childrenite from Tavistock (SW England), Ch89Eo11 term of childrenite-eosphorite series Neues Jahrbuch fur Mineralogie, Monatshefte 1984 263-271 | 1984 | Tavistock, SW England | 0 | 293 | |
| 0014785 | Childrenite | Giuseppetti G, Tadini C (1984) The crystal structure of childrenite from Tavistock (SW England), Ch89Eo11 term of childrenite-eosphorite series Neues Jahrbuch fur Mineralogie, Monatshefte 1984 263-271 | 1984 | Tavistock, SW England | 0 | 293 | |
| 0019910 | Eosphorite | Diego Gatta G, Nenert G, Vignola P (2013) Coexisting hydroxyl groups and H2O molecules in minerals: A single-crystal neutron diffraction study of eosphorite, MnAlPO4(OH)2*H2O American Mineralogist 98 1297-1301 | 2013 | Chamachhu, Skarda district, Baltistan, Pakistan | 0 | 20 |
CIF Raw Data - click here to close
Common Associates
Associations Based on Photo Data:
| 9 photos of Childrenite-Eosphorite Series associated with Atencioite | Ca2Fe2+3Mg2Be4(PO4)6(OH)4 · 6H2O |
| 6 photos of Childrenite-Eosphorite Series associated with Wardite | NaAl3(PO4)2(OH)4 · 2H2O |
| 4 photos of Childrenite-Eosphorite Series associated with 'Cleavelandite' | Na(AlSi3O8) |
| 4 photos of Childrenite-Eosphorite Series associated with Albite | Na(AlSi3O8) |
| 4 photos of Childrenite-Eosphorite Series associated with Microcline | K(AlSi3O8) |
| 3 photos of Childrenite-Eosphorite Series associated with Hydroxylherderite | CaBe(PO4)(OH) |
| 3 photos of Childrenite-Eosphorite Series associated with Fluorapatite | Ca5(PO4)3F |
| 3 photos of Childrenite-Eosphorite Series associated with Quartz | SiO2 |
| 2 photos of Childrenite-Eosphorite Series associated with Chalcopyrite | CuFeS2 |
| 2 photos of Childrenite-Eosphorite Series associated with Siderite | FeCO3 |
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 Childrenite-Eosphorite Series
mindat.org URL:
https://www.mindat.org/min-8940.html
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References for Childrenite-Eosphorite Series
Reference List:
Barnes, W. H., Shore, Violet C. (1951) The childrenite-eosphorite problem. American Mineralogist, 36 (5-6) 509-510
Winchell, Horace (1958) Optics of the eosphorite-childrenite series. American Mineralogist, 43 (7-8) 765-768
Fransolet, A.-M. (1980) The eosphorite-childrenite series associated with the Li-Mn-Fe phosphate minerals from the Buranga pegmatite, Rwanda. Mineralogical Magazine, 43 (332) 1015-1023 doi:10.1180/minmag.1980.043.332.09
da Costa, Geraldo Magela, Scholz, Ricardo, Karfunkel, Joachim, Bermanec, Vladimir, de Sá Carneiro Chaves, Mário Luiz (2005) 57Fe-Mössbauer spectroscopy on natural eosphorite-childrenite-ernstite samples. Physics and Chemistry of Minerals, 31 (10). 714-720 doi:10.1007/s00269-004-0434-7
Frost, Ray L., Xi, Yunfei, Scholz, Ricardo, López, Andrés, Lima, Rosa Malena Fernandes, Ferreira, Claudiane Moraes (2013) Vibrational spectroscopic characterization of the phosphate mineral series eosphorite–childrenite–(Mn,Fe)Al(PO4)(OH)2·(H2O) Vibrational Spectroscopy, 67. 14-21 doi:10.1016/j.vibspec.2013.03.005
Localities for Childrenite-Eosphorite Series
Showing 311 localities.
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
George and Charlotte Mine, Devon and Cornwall United Mines, Gulworthy, West Devon, Devon, England, UK