Dumortierite R050628

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Record 1137 of 4034  

Name: Dumortierite
RRUFF ID: R050628
Ideal Chemistry: AlAl6BSi3O18
Locality: Minas Gerais, Brazil
Source: Gemological Center
Owner: RRUFF
Description: Blue cut gemstone
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Dumortierite (5) ]
Quick search: [ All Dumortierite samples (4) ]
CHEMISTRY 
RRUFF ID: R050628.2
Sample Description: Microprobe Fragment
Measured Chemistry: Al7.00(B1.00O3)(Si1.00O4)3O3
Reference File: [ View PDF ]
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: R050628
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R050628.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 11.784(1)Å    b: 20.167(3)Å    c: 4.6950(6)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1115.8(4)Å3    Crystal System: orthorhombic
  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 Dumortierite

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]

Damour A A (1881) Analyse de la dumortiérite, Bulletin de la Société Minéralogique de France, 4, 6-8   [view file]

Gonnard F (1881) Note sur l´existance d´une espèce minérale nouvelle, la dumortiérite dans le gneiss de Beaunan, au-dessus des anciens aqueducs galloromains de la vallée de l´Izeron (Rhône), Bulletin de la Société Minéralogique de France, 4, 2-5   [view file]

Moore P B, Araki T (1978) Dumortierite, Si3B[Al6.75   0.25O17.25(OH)0.75]: a detailed structure analysis, Neues Jahrbuch für Mineralogie, Abhandlungen, 132, 231-241

Alexander V D, Griffen D T, Martin T J (1986) Crystal chemistry of some Fe- and Ti-poor dumortierites, American Mineralogist, 71, 786-794

Taner M F, Martin R F (1993) Significance of dumortierite in an aluminosilicate-rich alteration zone, Louvicourt, Quebec, The Canadian Mineralogist, 31, 137-146   [view file]

Fuchs Y, Ertl A, Hughes J M, Prowatke S, Brandstatter F, Schuster R (2005) Dumortierite from the Gföhl unit, Lower Austria: chemistry, structure, and infra-red spectroscopy, European Journal of Mineralogy, 17, 173-183

Evans R J, Fyfe C A, Groat L A, Lam A E (2012) MAS NMR measurements and ab initio calculations of the 29Si chemical shifts in dumortierite and holtite, American Mineralogist, 97, 329-340   [view file]

Evans R J, Groat L A (2012) Structure and topology of dumortierite and dumortierite-like materials, The Canadian Mineralogist, 50, 1197-1231   [view file]

Groat L A, Evans R J, Grew E S, Pieczka A (2012) The crystal chemistry of As- and Sb-bearing dumortierite, The Canadian Mineralogist, 50, 855-872   [view file]

Pieczka A, Evans R J, Grew E S, Groat L A, Ma C, Rossman G R (2013) The dumortierite supergroup. I. A new nomenclature for the dumortierite and holtite groups, Mineralogical Magazine, 77, 2825-2839

Wunder B, Kutzschbach M, Hosse L, Wilke F D H, Schertl H P, Chopin C (2018) Synthetic [4]B-bearing dumortierite and natural [4]B-free magnesiodumortierite from the Dora-Maira Massif: differences in boron coordination in response to ultrahigh pressure, European Journal of Mineralogy, 30, 471-483