Fairfieldite R070630

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Record 94 of 552  

Name: Fairfieldite
RRUFF ID: R070630
Ideal Chemistry: Ca2Mn2+(PO4)2·2H2O
Locality: Tip Top mine, Custer County, South Dakota, USA
Source: Dakota Matrix Minerals [view label]
Owner: RRUFF
Description: Transparent white to colorless lamellar and massive crystals associated with whitlockite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ fairfieldite (16) ]
Quick search: [ All Fairfieldite samples (2) ]
RRUFF ID: R070630.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca1.99(Mn0.83Mg0.16Fe0.01)(P1.00O4)2ยท2H2O
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

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RRUFF ID: R070630
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R070630.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.788(5)Å    b: 6.558(6)Å    c: 5.495(5)Å
alpha: 102.41(5)°    beta: 108.53(5)°    gamma: 90.25(4)°   Volume: 192.5(1)Å3    Crystal System: triclinic
  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.

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REFERENCES for Fairfieldite

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 (1879) On the mineral locality in Fairfield County, Connecticut, with the description of two additional new species. Second Paper, American Journal of Science and Arts, 17, 359-368   [view file]

Brush G J, Dana E S, Wells H L (1890) On the mineral locality at Branchville, Connecticut: Fifth paper, American Journal of Science, 39, 201-216   [view file]

Frondel C (1955) Neomesselite and beta-roselite: two new members of the fairfieldite group, American Mineralogist, 40, 828-833   [view file]

Fanfani L, Nunzi A, Zanazzi P F (1970) The crystal structure of fairfieldite, Acta Crystallographica, B26, 640-645

Fleck M, Kolitsch U, Hertweck B (2002) Natural and synthetic compounds with kröhnkite-type chains: review and classification, Zeitschrift für Kristallographie, 217, 435-443

Herwig S, Hawthorne F C (2006) The topology of hydrogen bonding in brandtite, collinsite and fairfieldite, The Canadian Mineralogist, 44, 1181-1196   [view file]

Frost R L (2009) Raman and infrared spectroscopy of arsenates of the roselite and fairfieldite mineral subgroups, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 71, 1788-1794

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]