Sigloite R050576

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Record 2139 of 4216  


Name: Sigloite
RRUFF ID: R050576
Ideal Chemistry: Fe3+Al2(PO4)2(OH)3·7H2O
Locality: Viloco, Bolivia
Source: University of Arizona Mineral Museum 12574 [view label]
Owner: RRUFF
Description: Tan colored prismatic crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Mineral Group: [ Laueite (9) ]
CHEMISTRY 
RRUFF ID: R050576.2
Sample Description: Microprobe Fragment
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: R050576
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050576.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050576.1
Sample Description: Powder
Cell Refinement Output: a: 5.1792(7)Å    b: 10.3959(7)Å    c: 7.0171(10)Å
alpha: 105.064(6)°    beta: 111.334(8)°    gamma: 70.771(6)°   Volume: 328.05(4)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.

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

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REFERENCES for Sigloite

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]

Hurlbut C S, Honea R (1962) Sigloite, a new mineral from Llallagua, Bolivia, American Mineralogist, 47, 1-8   [view file]

Fleischer M (1963) New mineral names, American Mineralogist, 48, 433-437   [view file]

International Mineralogical Association (1967) Commission on new minerals and mineral names, Mineralogical Magazine, 36, 131-136   [view file]

Hawthorne F C (1988) Sigloite: the oxidation mechanism in [M23+(PO4)2(OH)2(H2O)2]2- structures, Mineralogy and Petrology, 38, 201-211

Jambor J L, Burke E A J (1989) New mineral names, American Mineralogist, 74, 1399-1404   [view file]