Schorl R050304

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Record 42 of 48  


Name: Schorl
RRUFF ID: R050304
Ideal Chemistry: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Locality: Erongo Mountains, Namibia
Source: Eugene Schlepp
Owner: RRUFF
Description: Black prismatic crystal associated with quartz and orthoclase
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ tourmaline (48) ]
Quick search: [ All Schorl samples (3) ]
CHEMISTRY 
RRUFF ID: R050304.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na0.86   0.14)Σ=1(Fe2+2.68Mg0.22Al0.06Ti0.04)Σ=3Al6.00(BO3)3Si6.00O18(OH)4
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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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: R050304
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050304.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050304.1
Sample Description: Powder
Cell Refinement Output: a: 16.0042(7)Å    b: 16.0042(7)Å    c: 7.1826(4)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 1593.3(0)Å3    Crystal System: hexagonal
  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 Schorl

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]

Mathesius J (1562) Die XIIII. Predig/Die viertzehende Predig Von Müntz/ Gewicht/ und zahl so in der Biblien gedache wirde, in Sarepta Oder Bergpostill Sampt der Jochimβthalischen kurtzen Chroniken Berg und Thallober den Herrn Nürnberg 229-233   [view file]

Linnæi C (1748) 2. Stannum crystallis columnaribus nigris (Schorl), in Systema Naturæ Impensis Godofr. Kiesewetteri Leipzig 181-181   [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]

Fortier S, Donnay G (1975) Schorl refinement showing composition dependence of the tourmaline structure, The Canadian Mineralogist, 13, 173-177   [view file]

Alvarez M A, Coy-Yll R (1978) Raman spectra of tourmaline, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 34, 899-908

Schmetzer K, Nuber B, Abraham K (1979) Zur Kristallchemie Magnesium-reicher Turmaline, Neues Jahrbuch für Mineralogie, Abhandlungen, 136, 93-112

Foit F F (1989) Crystal chemistry of alkali-deficient schorl and tourmaline structural relationships, American Mineralogist, 74, 422-431   [view file]

Grice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula, Neues Jahrbuch für Mineralogie, Abhandlungen, 165, 245-266   [view file]

Gashrova B, Mihailova B, Konstantinov L (1997) Raman spectra of various types of tourmaline, European Journal of Mineralogy, 9, 935-940

Dyar M D, Taylor M E, Lutz T M, Francis C A, Guidotti C V, Wise M (1998) Inclusive chemical characterization of tourmaline: Mössbauer study of Fe valence and site occupancy, American Mineralogist, 83, 848-864   [view file]

Bloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series, American Mineralogist, 84, 922-928   [view file]

Hawthorne F C, Henry D J (1999) Classification of the minerals of the tourmaline group, European Journal of Mineralogy, 11, 201-215

Cámara F, Ottolini L, Hawthorne F C (2002) Crystal chemistry of three tourmalines by SREF, EMPA and SIMS, American Mineralogist, 87, 1437-1442   [view file]

Ondruš P, Veselovský F, Gabašová A, Hloušek J, Šrein V, Vavrín I, Skála R, Sejkora J, Drábek M (2003) Primary minerals of the Jáchymov ore district, Journal of the Czech Geological Society, 48, 19-147   [view file]

Bosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series, European Journal of Mineralogy, 16, 335-344

Novák M, Povondra P, Selway J B (2004) Schorl - oxy-schorl to dravite - oxy-dravite tourmaline from granitic pegmatites; examples from the Moldanubicum, Czech Republic, European Journal of Mineralogy, 16, 323-333

Bosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series, American Mineralogist, 90, 1784-1792   [view file]

Ertl A (2006) Über die Etymologie und die Typlokalitäten des Minerals Schörl, Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 152, 7-16

Ertl A, Kolitsch U, Prowatke S, Dyar M D, Henry D J (2006) The F-analogue of schorl from Grasstein, Trentino - South Tyrol, Italy: crystal structure and chemistry, European Journal of Mineralogy, 18, 583-588

Ertl A, Marschall H R, Giester G, Henry D J, Schertl H P, Ntaflos T, Luvizotto G L, Nasdala L, Tillmanns E (2010) Metamorphic ultrahigh-pressure tourmaline: structure, chemistry, and correlations to P-T conditions, American Mineralogist, 95, 1-10   [view file]

Henry D J, Novák M, Hawthorne F C, Ertl A, Dutrow B L, Uher P, Pezzotta F (2011) Nomenclature of the tourmaline-supergroup minerals, American Mineralogist, 96, 895-913   [view file]

Ertl A, Schuster R, Hughes J M, Ludwig T, Meyer H-P, Finger F, Dyar M D, Ruschel K, Rossman G R, Klötzli U, Brandstätter F, Lengauer C L, Tillmanns E (2012) Li-bearing tourmalines in Variscan granitic pegmatites from the Moldanubian nappes, Lower Austria, European Journal of Mineralogy, 24, 695-715

Kolitsch U, Andresen P, Husdal T A, Ertl A, Haugen A, Ellingsen H V, Larsen A O (2013) Tourmaline-group minerals from Norway, part II: Occurrences of luinaite-(OH) in Tvedalen, Larvik and Porsgrunn, and fluor-liddicoatite, fluor-elbaite and fluor-schorl at Ågskardet, Nordland, Norsk Bergverksmuseum Skrift, 50, 23-41

Bačík P (2015) Cation ordering at octahedral sites in schorl-dravite series tourmalines, The Canadian Mineralogist, 53, 571-590

Bosi F, Andreozzi G B, Hålenius U, Skogby H (2015) Experimental evidence for partial Fe2+ disorder at the Y and Z sites of tourmaline: a combined EMP, SREF, MS, IR and OAS study of schorl, Mineralogical Magazine, 79, 515-528

Ertl A, Kolitsch U, Dyar M D, Meyer H, Rossman G R, Henry D J, Prem M, Ludwig T, Nasdala L, Lengauer C L, Tillmanns E, Niedermayr G (2016) Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities, European Journal of Mineralogy, 28, 163-177

Watenphul A, Burgdorf M, Schlüter J, Horn I, Malcherek T, Mihailova B (2016) Exploring the potential of Raman spectroscopy for crystallochemical analyses of complex hydrous silicates: II. Tourmalines, American Mineralogist, 101, 970-985

Lensing-Burgdorf M, Watenphul A, Schlüter J, Mihailova B (2017) Crystal chemistry of tourmalines from the Erongo Mountains, Namibia, studied by Raman spectroscopy, European Journal of Mineralogy, 29, 257-267

Bosi F (2018) Tourmaline crystal chemistry, American Mineralogist, 103, 298-306