Kidwellite R060324

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Name: Kidwellite
RRUFF ID: R060324
Ideal Chemistry: NaFe3+9+x(PO4)6(OH)11·3H2O (x ≈ 0.33)
Locality: York mine, Polk County, Arkansas, USA
Source: Michael Scott S100182 [view label]
Owner: RRUFF
Description: Light green radiating acicular crystals forming a spherical mat
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Kidwellite samples (2) ]
CHEMISTRY 
RRUFF ID: R060324.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na0.98Ca0.02)Σ=1(Fe3+8.77Al0.21Fe2+0.02)Σ=9(P1.00O4)6(OH)11·3H2O; OH estimated by charge balance; H2O by difference
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: R060324
Wavelength:
Sample Description: Unoriented Raman on the primary 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: R060324.1
Sample Description: Powder
Cell Refinement Output: a: 20.036(1)Å    b: 5.1809(3)Å    c: 14.0678(6)Å
alpha: 90°    beta: 106.959(6)°    gamma: 90°   Volume: 1396.8(1)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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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Kidwellite

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]

Moore P B, Ito J (1978) Kidwellite, NaFe3+9(OH)10(PO4)6·5H2O, a new species, Mineralogical Magazine, 42, 137-140   [view file]

Fleischer M, Chao G Y, Pabst A (1979) New mineral names, American Mineralogist, 64, 241-245   [view file]

Jambor J L, Roberts A C (2004) New mineral names, American Mineralogist, 89, 1826-1834   [view file]

Kolitsch U (2004) The crystal structures of kidwellite and ‘laubmannite’, two complex fibrous iron phosphates, Mineralogical Magazine, 68, 147-165   [view file]