Wendwilsonite R050398



Name: Wendwilsonite
RRUFF ID: R050398
Ideal Chemistry: Ca2Mg(AsO4)2·2H2O
Locality: Bou Azzer, Morocco
Source: Marcus Origlieri
Owner: RRUFF
Description: Stout prismatic red crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Roselite (18) ]
Quick search: [ All Wendwilsonite samples (10) ]
CHEMISTRY 
RRUFF ID: R050398.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca2.00(Mg0.54Co0.31Zn0.15)(As1.00O4)2ยท2H2O
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050398
Wavelength:
Sample Description: Unoriented Sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050398.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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POWDER DIFFRACTION 
RRUFF ID: R050398.1
Sample Description: Powder
Cell Refinement Output: a: 5.8113(3)Å    b: 12.9078(3)Å    c: 5.6321(3)Å
alpha: 90.°    beta: 107.526(3)°    gamma: 90.°   Volume: 402.86(2)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 Wendwilsonite

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]

Keller P, Hess H, Riffel H (1981) Die kristallstrukturen von zwei neuen calcium-zink-arsenat-mineralen von Tsumeb/Nambia, Zeitschrift für Kristallographie, 156, 70-71   [view file]

Dunn P J, Sturman B D, Nelen J A (1987) Wendwilsonite, the Mg analogue of roselite, from Morocco, New Jersey, and Mexico, and new data on roselite, American Mineralogist, 72, 217-221   [view file]

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

Kolitsch U, Fleck M (2006) Third update on compounds with kröhnkite-type chains: the crystal structure of wendwilsonite [Ca2Mg(AsO4)2·2H2O] and the new triclinic structure of synthetic AgSc(CrO4)2·2H2O and M2Cu(Cr2O7)2·2H2O (M= Rb, Cs), European Journal of Mineralogy, 18, 471-482

Frost R L, Scholz R, López A, Belotti F M, Xi Y (2014) Structural characterization and vibrational spectroscopy of the arsenate mineral wendwilsonite, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 118, 737-743