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Anapaite R141081

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Record 2 of 2  


Name: Anapaite
RRUFF ID: R141081
Ideal Chemistry: Ca2Fe2+(PO4)2·4H2O
Locality: Messel mine, Messel, Darmstadt, Hesse, Germany
Source: Rock Currier [view label]
Owner: RRUFF
Description: Pale green to colorless subparallel aggregates. Associated with messelite (R140175) and pyrite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Not in a structural group (133) ]
Quick search: [ All Anapaite samples (2) ]
CHEMISTRY 
RRUFF ID: R141081.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca1.95Mg0.05)(Fe0.99Mg0.02)(P1.00O4)2ยท4H2O ; The grey portion is anapaite and the bright portion is pyrite.
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R141081
Wavelength:
Sample Description: Unoriented 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: R141081.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.440(4)Å    b: 6.807(3)Å    c: 5.880(3)Å
alpha: 101.69(3)°    beta: 104.29(3)°    gamma: 70.83(3)°   Volume: 233.84(6)Å3    Crystal System: triclinic
  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
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Anapaite

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]

Sachs A (1902) Über Anapait, ein neues Kalkeisenphosphat von Anapa am Schwarzen Meere, Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften, 1902, 18-21   [view file]

Larsen E S (1921) The microscopic determination of the nonopaque minerals, U.S. Geological Survey Bulletin, 671, 5-294   [view file]

Rumanova I M, Znamenskaya M N (1961) The crystal structure of anapaite, Soviet Physics - Crystallography, 5, 650-658   [view file]

Catti M, Ferraris G, Ivaldi G (1979) Refinement of the crystal structure of anapaite, Ca2Fe(PO4)2·4H2O: hydrogen bonding and relationships with the bihydrated phase, Bulletin de Minéralogie, 102, 314-318