Labradorite X050108

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Record 1 of 4  
Name: Labradorite
RRUFF ID: X050108
Ideal Chemistry: (Ca,Na)(Si,Al)4O8
Locality: Pinacate Mountains, Sonora, Mexico
Source: G.R. Rossman 25
Owner: Caltech
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ feldspar (59) ]
Quick search: [ All Labradorite samples (4) ]
Sample Description: de-polarized laser oriented perpendicular to the (001) face
Instrument settings: none 785nm @ 100% of mW
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REFERENCES for Labradorite

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]

Rose G (1823) Ueber den Feldspath, Albit, Labrador und Anorthit, Annalen der Physik und der Physikalischen Chemie, 73, 173-208   [view file]

Rose M G (1824) On felspar, albite, labrador, and anorthite, The Annals of Philosophy, 7, 49-59   [view file]

Breithaupt J F A (1826) Bemerkungen über das geschlecht des feldspath - Grammit´s und beschreibung des oligoklases, einer neuen spezies desselben, Annalen der Physik und Chemie, 8, 231-242   [view file]

Stewart D B, Walker G W, Wright T L, Fahey J J (1966) Physical properties of calcic labradorite from Lake County, Oregon, American Mineralogist, 51, 177-197   [view file]

Korekawa M, Horst W, Tagai T (1979) Determination of superstructure of labradorite An~50, Zeitschrift für Kristallographie, 149, 128-130   [view file]

Wenk H R, Joswig W, Tagai T, Korekawa M, Smith B K (1980) The average structure of An 62-66 labradorite, American Mineralogist, 65, 81-95   [view file]

Mernagh T P (1991) Use of the laser Raman microprobe for discrimination amongst feldspar minerals, Journal of Raman Spectroscopy, 22, 453-457

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]

Freeman J J, Wang A, Kuebler K E, Jolliff B L, Haskin L A (2008) Characterization of natural feldspars by Raman spectroscopy for future planetary exploration, The Canadian Mineralogist, 46, 1477-1500   [view file]

Jin S, Xu H (2017) Solved: The enigma of labradorite feldspar with incommensurately modulated structure, American Mineralogist, 102, 21-32

Jin S, Xu H (2017) Study on structure variations of incommensurately modulated labradorite feldspars with different cooling histories, American Mineralogist, 102, 1328-1339

Befus K S, Lin J-F, Cisneros M, Fu S (2018) Feldspar Raman shift and application as a magmatic thermobarometer, American Mineralogist, 103, 600-609

Jin S, Xu H, Wang X, Jacobs R, Morgan D (2020) The incommensurately modulated structures of low-temperature labradorite feldspars: a single-crystal X-ray and neutron diffraction study, Acta Crystallographica, B76, 93-107