Chrysoberyl R040073

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Record 786 of 4038  


Name: Chrysoberyl
RRUFF ID: R040073
Ideal Chemistry: BeAl2O4
Locality: Brazil
Source: University of Arizona Mineral Museum 195 [view label]
Owner: RRUFF
Description: Pair of green prismatic crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Olivine (61) ]
Quick search: [ All Chrysoberyl samples (9) ]
CHEMISTRY 
RRUFF ID: R040073.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Be0.89Al0.06Fe0.02)Al2.00O4
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: M00306
Orientation: Laser parallel to  b*  (0 1 0).     Fiducial mark perpendicular to laser is parallel to  c   [0 0 1].
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Raman Mode Analysis
Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R040073
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R040073.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R040073.1
Sample Description: Powder
Cell Refinement Output: a: 4.4286(1)Å    b: 9.4095(3)Å    c: 5.4789(1)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 228.314(7)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.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Chrysoberyl

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]

Hoffmann C A S (1789) Mineralsystem des Herrn Inspektor Werners mit dessen Erlaubnis herausgegeben von C A S Hoffmann, Bergmannisches Journal, 1, 369-398   [view file]

Werner A G (1790) Chapitre IV. Explication des characteres exterieurs des fossiles. De la couleur verd, in Traité des Caracter Exterieurs des Fossiles L.N. Frantin Dijon, France 109-116   [view file]

Delamétherie J C (1792) Observations et mémoires sur la physique, sur l’histoire naturelle, et sur les arts et métiers. Discours préliminaire, Observations sur la Physique, sur l’Histoire Naturelle et sur les Arts, 40, 2-40   [view file]

Rose G (1839) Beschreibung einiger neuen mineralien des Urals, Annalen der Physik und Chemie, 48, 551-573   [view file]

Farrell E F, Fang J H, Newnham (1963) Refinement of the chrysoberyl structure, American Mineralogist, 48, 804-810   [view file]

Newnham R, Santoro R, Pearson J, Jansen C (1964) Ordering of Fe and Cr in chrysoberyl, American Mineralogist, 49, 427-430   [view file]

Gubelin E (1976) Alexandrite from Lake Manyara, Tanzania, Gems & Gemology, 15, 203-209   [view file]

Hofmeister A M, Hoering T C, Virgo D (1987) Vibrational spectroscopy of of beryllium aluminosilicates: heat capacity calculations from band assignments, Physics and Chemistry of Minerals, 14, 205-224

Martin-Izard A, Paniagua A, Moreiras D, Acevedo R D, Marcos-Pascual C (1995) Metasomatism at a granitic pegmatite - dunite contact in Galicia: the Franqueira occurrence of chrysoberyl (alexandrite), emerald, and phenakite, The Canadian Mineralogist, 33, 775-792   [view file]

Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970   [view file]

Weber S U, Grodzicki M, Lottermoser W, Redhammer G J, Tippelt G, Ponahlo J, Amthauer G (2007) 57Fe Mössbauer spectroscopy, X-ray single-crystal diffractometry, and electronic structure calculations on natural alexandrite, Physics and Chemistry of Minerals, 34, 507-515

Drev S, Komelj M, Mazaj M, Daneu N, Rečnik A (2015) Structural investigation of (130) twins and rutile precipitates in chrysoberyl crystals from Rio das Pratinhas in Bahia (Brazil), American Mineralogist, 100, 861-871

Ollier N, Fuchs Y, Cavani O, Horn A H, Rossano S (2015) Influence of impurities on Cr3+ luminescence properties in Brazilian emerald and alexandrite, European Journal of Mineralogy, 27, 783-792