Important Update News

rruff.info is being updated to improve its interface and content. The beta version of the update is accessible to the public at www.rruff.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Once released, the address will revert to RRUFF.info.

We are grateful to NASA for the funding of this effort.

Chrysoberyl X080002

Browse Search Results 
<< Previous |  Back to Search Results |  Next >> 
Record 4193 of 4216  

Name: Chrysoberyl
RRUFF ID: X080002
Ideal Chemistry: BeAl2O4
Locality: Synthetic
Source: Gemological Institute of America 37457
Owner: GIA
Description: Faceted purple alexandrite gemstone, 7.35 ct
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ Olivine (61) ]
Quick search: [ All Chrysoberyl samples (9) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
DOWNLOADS:

  To download sample data,
  please select a specific
  orientation angle.

Raman Mode Analysis
Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: X080002
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 25% of 150mW
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