Leucophosphite R060338

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Record 1 of 2  


Name: Leucophosphite
RRUFF ID: R060338
Ideal Chemistry: KFe3+2(PO4)2(OH)·2H2O
Locality: Gunheath pit, St. Austell, Cornwall, England
Source: Michael Scott S100184 [view label]
Owner: RRUFF
Description: White to pale pink spherical aggregates associated with green chalcosiderite, R060339, and orange cyrilovite, R060504
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Leucophosphite (3) ]
Quick search: [ All Leucophosphite samples (2) ]
CHEMISTRY 
RRUFF ID: R060338.2
Sample Description: Microprobe Fragment
Measured Chemistry: K1.00(Fe3+1.90Al0.10)Σ=2(P1.00O4)2(OH)·2.75H2O; H2O estimated by difference; (OH) by charge balance
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060338
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R060338.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.745(3)Å    b: 9.650(4)Å    c: 9.716(5)Å
alpha: 90°    beta: 102.41(1)°    gamma: 90°   Volume: 892.4(7)Å3    Crystal System: monoclinic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - Processed)
RRUFF File
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REFERENCES for Leucophosphite

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]

Foshag W F (1932) New mineral names, American Mineralogist, 17, 495-496   [view file]

Simpson E S (1932) Contributions to the mineralogy of Western Australia, (7) Variscite (redondite) and leucophosphite (Sp. nov.), Ninghanboun Hills, S.W., Journal of the Royal Society of Western Australia, 18, 69-74   [view file]

Lindberg M L (1957) Leucophosphite from the Sapucaia Pegmatite mine, Minas Gerais, Brazil, American Mineralogist, 42, 214-221   [view file]

Moore P B (1972) Octahedral tetramer in the crystal structure of leucophosphite, K2[Fe3+4(OH)2(H2O)2(PO4)4]·2H2O, American Mineralogist, 57, 397-410   [view file]

Rotiroti N, Vignola P (2019) Crystal structure of leucophosphite, KFe3+2(PO4)2(OH)·2H2O, from the Jocão pegmatite, Minas Gerais, Brazil, Periodico di Mineralogia, 88, 325-332