Eosphorite R140390

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Record 6 of 6  


Name: Eosphorite
RRUFF ID: R140390
Ideal Chemistry: Mn2+Al(PO4)(OH)2·H2O
Locality: Seco claim, Taquaral, Brazil
Source: Gunnar Farber [view label]
Owner: RRUFF
Description: Aggregates of brown prismatic crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Childrenite (12) ]
Quick search: [ All Eosphorite samples (6) ]
CHEMISTRY 
RRUFF ID: R140390.2
Sample Description: Microprobe fragment
Measured Chemistry: (Mn0.55Fe2+0.37Ca0.04Mg0.01)Σ=0.97Al1.00(P1.02O4)(OH)2·H2O
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R140390
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R140390.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.9878(5)Å    b: 10.4940(9)Å    c: 13.151(1)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 964.4(2)Å3    Crystal System: orthorhombic
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REFERENCES for Eosphorite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Brush G J, Dana E S (1878) On a new and remarkable mineral locality in Fairfield County, Connecticut; with a description of several new species occurring there. First Paper., American Journal of Science and Arts, 116, 33-46; 114-123   [view file]

Hurlbut C S (1950) Childrenite - eosphorite series, American Mineralogist, 35, 793-805   [view file]

Barnes W H, Shore V C (1951) The childrenite-eosphorite problem, American Mineralogist, 36, 509-510   [view file]

Hanson A W (1960) The crystal structure of eosphorite, Acta Crystallographica, 13, 384-384

Fransolet A M (1980) The eosphorite-childrenite series associated with the Li-Mn-Fe phosphate minerals from the Buranga pegmatite, Rwanda, Mineralogical Magazine, 43, 1015-1023   [view file]

Hoyos M A, Calderon T (1993) New structural and spectroscopic data for eosphorite, Mineralogical Magazine, 57, 329-336   [view file]

Karfunkel J, Chaves M L S C, Banko A, Irran E (1997) Ernstite and eosphorite from Minas Gerais, Brazil, The Mineralogical Record, 28, 489-493

Costa G M D, Scholz R, Karfunkel J, Bermanec V, Chaves M L D S C (2005) Fe-Mössbauer spectroscopy on natural eosphorite-childrenite-ernstite samples, Physics and Chemistry of Minerals, 31, 714-720

Diego Gatta G, Nénert 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

Frost R L, Xi Y, Scholz R, López A, Fernandes Lima R M, Moraes Ferreira C (2013) Vibrational spectroscopic characterization of the phosphate mineral series eosphorite - childrenite - (Mn,Fe)Al(PO4)(OH)2·(H2O), Vibrational Spectroscopy, 67, 14-21

Alboom A V, Resende V G D, Costa G M D, Grave E D (2015) Mössbauer spectroscopic study of natural eosphorite, [(Mn,Fe)AlPO4(OH)2H2O], American Mineralogist, 100, 580-587

Behal D, Röska B, Park S H, Pedersen B, Benka G, Pfleiderer C, Wakabayashi Y (2017) The first study of antiferromagnetic eosphorite-childrenite series (Mn1–xFex)AlP(OH)2H2O (x=0.5), Journal of Magnetism and Magnetic Materials, 428, 17-27