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Ludlamite R060485

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Name: Ludlamite
RRUFF ID: R060485
Ideal Chemistry: Fe2+3(PO4)2·4H2O
Locality: Blackbird District, Lehmi County, Idaho, USA
Source: Michael Scott S100357 [view label]
Owner: RRUFF
Description: Green tabular crystals associated with siderite, pyrite and quartz
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Quick search: [ All Ludlamite samples (3) ]
CHEMISTRY 
RRUFF ID: R060485.2
Sample Description: Microprobe Fragment
Measured Chemistry: Fe2+3.00(P1.00O4)2ยท4H2O
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: R060485
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R060485.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.542(2)Å    b: 4.6470(9)Å    c: 9.317(1)Å
alpha: 90°    beta: 100.472(9)°    gamma: 90°   Volume: 448.8(2)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
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REFERENCES for Ludlamite

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]

Field F (1885) On ludlamite, a new Cornish mineral, Mineralogical Magazine, 6, 23-31   [view file]

Ito T, Mori H (1951) The crystal structure of ludlamite, Acta Crystallographica, 4, 412-416

Fleischer M (1955) New mineral names, American Mineralogist, 40, 941-944   [view file]

Abrahams S C, Bernstein J L (1966) Crystal structure of paramagnetic ludlamite, Fe3(PO4)2·4(H2O), at 298°K, Journal of Chemical Physics, 44, 2223-2229

Abrahams S C (1966) Ferromagnetic and crystal structure of ludlamite, Fe3(PO4)2·4(H2O), at 4.2°K, Journal of Chemical Physics, 44, 2230-2237

Mattievich E and Danon J (1977) Hydrothermal synthesis and Mössbauer studies of ferrous phosphates of the homologous series Fe32+(PO4)2(H2O)n, Journal of Inorganic and Nuclear Chemistry, 39, 569-580

Dyar M D, Jawin E R, Breves E, Marchand G, Nelms M, Lane M D, Mertzman S A, Bish D L and Bishop J L (2014) Mössbauer parameters of iron in phosphate minerals: Implications for interpretation of martian data, American Mineralogist, 99, 914-942   [view file]