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Atelisite-(Y) R130043

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Record 322 of 4216  

Name: Atelisite-(Y)
RRUFF ID: R130043
Ideal Chemistry: Y4Si3O8(OH)8
Locality: Stetind quarry, Tysfjord, Norway
Source: Thomas Malcherek
Owner: Thomas Malcherek
Description: Pale brown to colourless, transparent crystals of dipyramidally terminated. Associated with xenotime-( Y), calcioancylite-(Nd) and La-dominant calcioancylite. Data from Malcherek et al (2012)
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Zircon (35) ]
CHEMISTRY 
RRUFF ID: R130043.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Y3.11Yb0.46Er0.19Dy0.11Gd0.09Ho0.01Tb0.02)Σ=3.99Si2.40O16H10.43
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Oriented sample
Orientation: Laser parallel to  -a   [-1 0 0].     Fiducial mark perpendicular to laser is parallel to  c   [0 0 1].
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POWDER DIFFRACTION 
RRUFF ID: R130043.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.947(4)Å    b: 6.947(4)Å    c: 6.133(3)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 295.98(28)Å3    Crystal System: tetragonal
  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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REFERENCES for Atelisite-(Y)

American Mineralogist Crystal Structure Database Record: [view record]

Williams P A, Hatert F, Pasero M, Mills S J (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 9. New minerals and nomenclature modifications approved in 2011, Mineralogical Magazine, 75, 2535-2540   [view file]

Malcherek T, Mihailova B, Schlüter J, Husdal T (2012) Atelisite-(Y), a new rare earth defect silicate of the KDP structure type, European Journal of Mineralogy, 24, 1053-1060   [view file]