Ludlamite R040152

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Record 5 of 459  

Name: Ludlamite
RRUFF ID: R040152
Ideal Chemistry: Fe2+3(PO4)2·4H2O
Locality: Cobalt, Lemhi County, Idaho, USA
Source: University of Arizona Mineral Museum 15641 [view label]
Owner: RRUFF
Description: Green tabular single crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Ludlamite samples (3) ]
RRUFF ID: R040152.2
Sample Description: Microprobe Fragment
Measured Chemistry: Fe3.01(P1.00O4)2ยท4H2O
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: S00001
Orientation: Laser parallel to  b*  (0 1 0).     Fiducial mark perpendicular to laser is parallel to  -c   [0 0 -1].

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RRUFF ID: R040152
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R040152.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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RRUFF ID: R040152.1
Sample Description: Powder
Cell Refinement Output: a: 10.546(2)Å    b: 4.6482(3)Å    c: 9.3176(4)Å
alpha: 90.°    beta: 100.527(6)°    gamma: 90.°   Volume: 449.09(7)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

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

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

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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]