Aspedamite R130014

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Record 300 of 4043  

Name: Aspedamite
RRUFF ID: R130014
Ideal Chemistry:    12(Fe3+,Fe2+)3Nb4[Th(Nb,Fe3+)12O42][(H2O),(OH)]12
Locality: Herrebøkasa quarry, Aspedammen, Østfold, Norway
Source: Frank C. Hawthorne
Owner: Frank C. Hawthorne
Description: Brownish orange crystals with adamantine luster. Data from Cooper et al. (2012)
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Menezesite (2) ]
CHEMISTRY 
RRUFF ID: R130014
Sample Description: Same crystal used in single-crystal diffraction
Measured Chemistry: K0.09Ca0.13Ce0.26La0.08Nd0.07Fe2+1.00 Mn0.30Fe3+3.48Th0.56Ti4+0.71Si0.34Nb12.98Ta0.21O42(H2O)9(OH)3
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented crystal used in single-crystal diffraction
Instrument settings: Equipment not described nm @ 100% of mW
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R130014
Wavelength:
Sample Description: Unoriented crystal used in single-crystal diffraction
Instrument settings: Equipment not described nm @ 100% of mW
POWDER DIFFRACTION 
RRUFF ID: R130014
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 12.9078(6)Å    b: 12.9078(6)Å    c: 12.9078(6)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 2150.6(3)Å3    Crystal System: cubic
  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 Aspedamite

Williams P A, Hatert F, Pasero M, Mills S J (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 11. New minerals and nomenclature modifications approved in 2011, Mineralogical Magazine, 75, 2887-2893   [view file]

Cooper M A, Abdu Y A, Ball N A, Černý P, Hawthorne F C, Kristiansen R (2012) Aspedamite, ideally    12(Fe3+,Fe2+)3Nb4[Th(Nb,Fe3+)12O42]{(H2O),(OH)}12, a new heteropolyniobate mineral species from the Herrebøkasa Quarry, Aspedammen, Østfold, Southern Norway: description and crystal structure, The Canadian Mineralogist, 50, 793-804   [view file]

Cámara F, Gatta G D, Uvarova Y, Gagne O C, Belakovskiy D I (2014) New mineral names, American Mineralogist, 99, 1511-1518