Dumortierite R060069

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Record 1135 of 4034  


Name: Dumortierite
RRUFF ID: R060069
Ideal Chemistry: AlAl6BSi3O18
Locality: Dehesa, San Diego County, California, USA
Source: University of Arizona Mineral Museum 13827 [view label]
Owner: RRUFF
Description: Radial aggregate of purple acicular crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Dumortierite (5) ]
Quick search: [ All Dumortierite samples (4) ]
CHEMISTRY 
RRUFF ID: R060069.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Al6.89Ti0.11)Σ=7(BO3)(Si2.89Al0.11)Σ=1O4)3O3 ; B not measured but estimated by difference and charge balance
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060069
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 1% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R060069.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R060069.1
Sample Description: Powder
Cell Refinement Output: a: 11.821(1)Å    b: 20.238(1)Å    c: 4.7048(8)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1125.6(2)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