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Dravite-Schorl Series

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About Dravite-Schorl SeriesHide

Crystal System:
Trigonal
Series Formula:
Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH) to Na(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
A series between Dravite and Schorl

The large majority of blackish to dark brownish tourmalines belong to this series.


Crystallography of Dravite-Schorl SeriesHide

Crystal System:
Trigonal

Synonyms of Dravite-Schorl SeriesHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
19 photos of Dravite-Schorl Series associated with QuartzSiO2
10 photos of Dravite-Schorl Series associated with FluorapatiteCa5(PO4)3F
9 photos of Dravite-Schorl Series associated with MuscoviteKAl2(AlSi3O10)(OH)2
6 photos of Dravite-Schorl Series associated with AlbiteNa(AlSi3O8)
5 photos of Dravite-Schorl Series associated with SideriteFeCO3
5 photos of Dravite-Schorl Series associated with ArsenopyriteFeAsS
4 photos of Dravite-Schorl Series associated with SpessartineMn2+3Al2(SiO4)3
2 photos of Dravite-Schorl Series associated with Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
2 photos of Dravite-Schorl Series associated with FerberiteFeWO4
2 photos of Dravite-Schorl Series associated with PyriteFeS2

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Dravite-Schorl SeriesHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Povondra, P. (1981) The crystal chemistry of tourmalines of the schorl-dravite series. Acta Universitatis Carolinae Geologica 3: 223-264.
Povondra, P. and Cech, F. (1985) Lattice parameters of tourmalines of the dravite-schorl series and their relation to chemical composition. Acta Universitatis Carolinae Geologica 1985 (3): 235-245.
Bloodaxe, E.S., J.M. Hughes, M.D. Dyar, E.S. Grew, and C.V. Guidotti (1999), Linking structure and chemistry in the schorl-dravite series: American Mineralogist: 84: 922-928.
Bačík, P. (2015): Cation ordering at octahedral sites in schorl-dravite series tourmalines. Canadian Mineralogist, 53, 571-590.

Internet Links for Dravite-Schorl SeriesHide

Localities for Dravite-Schorl SeriesHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria
 
  • Lower Austria
    • Waidhofen an der Thaya District
      • Raabs an der Thaya
        • Eibenstein an der Thaya
ERTL, Andreas et al. (2004a): Mn-rich tourmaline and fluorapatite in a Variscan pegmatite from Eibenstein an der Thaya, Bohemian massif, Lower Austria.- Eur. J. Mineral., 16/3, 551-560, Stuttgart.
  • Upper Austria
    • Rohrbach District
      • Aigen im Mühlkreis
Reiter, E. (1982): Beiträge zur oberösterreichischen Landesmineralogie, Teil 4: Die Mineralfunde aus dem Steinbruch in Oberhaag bei Aigen-Schlägl. Der Mineraliensammler, F. 3/1982, 15-20, Linz.
Bulgaria
 
  • Sofia City Province
    • Ihtimanska Sredna Gora (Ikhtiman Sredna Gora)
      • Ihtiman
Vasil Arnaudov, Svetoslav Petrusenko, and Chavdar Karov (2003): Sherl, foytit i dravit v pegmatiti ot metamorfnata mantiya na Planskiya pluton, Yugozapadna B'lgariya [Schorl, foitite and dravite from pegmatites in the metamorphic zone of Plana Pluton, SW Bulgaria]. Geokhimiya, Mineralogiya i Petrologiya, 40, 97-107 (in Bulgarian with English abtract). [http://www.geology.bas.bg/mineralogy/gmp_files/gmp40/V.Arnaudov.pdf]
China
 
  • Sichuan
    • Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture)
      • Jiulong Co.
Xiangping Zhu, Mingjie Wang, Peng Yao, Jinsha Xu, Jianzhong Li, Minhua Chen, and Gaolin Tang (2008): Acta Petrologica Sinica 24(3), 562-568
  • Xinjiang
    • Bayin'gholin Autonomous Prefecture (Bayingolin Autonomous Prefecture; Bayinguoleng Autonomous Prefecture)
      • Ruoqiang Co. (Qakilik Co.; Chaqiliq Co.)
        • Baigan Lake (Baigan Hu)
          • Baiganhu W-Sn ore field
Daxin Li, Chengyou Feng, Anshun Zhou, Hongmao Li, Xin Li, Jiannan Liu, and Ye Xiao (2013): Mineral Deposits 32(1), 37-54
Ecuador
 
  • El Oro Province
    • Atahualpa Canton
Alejandro Felix Gutierrez
Greece
 
  • Central Macedonia
    • Thessaloniki
      • Polydentri - Kolchiko area
        • Vertiskos Mt
K. Michailidis et al. , Eur. J. Mineral. , 1996, 8, pp. 393-404.
  • Crete
    • Lasithi
      • Sitía
Eur. J. Mineral. , 1992, 4, pp. 487-507.
India
 
  • Karnataka
    • Raichur District
Krienitz, M. et al. (2008): Hydrothermal gold mineralization at the Hira Buddini gold mine, India: constraints on fluid evolution and fluid sources from boron isotopic compositions of tourmaline. Mineralium Deposita, 43, 421-434.
  • Rajasthan
    • Jodhpur Division
      • Sirohi District
Deb, M., Tiwary, A., and Palmer, M.R. (1997): Mineralium Deposita 32, 94-99.
Italy
 
  • Liguria
    • Savona Province
      • Bergeggi
Ciriotti M.E., Biagioni C. (2011): Pot-pourri 2011: identificazioni di minerali di interesse. Micro, 3/2011, 125-133.
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Formazza
        • Sabbione Glacier
Alberto Vaghi collection
  • Tuscany
    • Lucca Province
      • Stazzema
Eur. J. Mineral. , 1991, 3, pp. 537-548.
Madagascar
 
  • Ihorombe
    • Ihosy
      • Ihosy Commune
Nicollet, C. (1990) Occurrences of grandidierite, serendibite and tourmaline near Ihosy, southern Madagascar. Mineralogical Magazine, vol. 54, n° 374, 131-133.
  • Vakinankaratra
    • Betafo
      • Ambohimanambola
        • Anjanabonoina pegmatites
De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
Mexico
 
  • Guerrero
    • Acapulco Municipality
Specimen from Alejandro Felix´´ s collection
Norway
 
  • Aust-Agder
    • Risør
      • Akland
Van King
Poland
 
  • Lesser Poland Voivodeship
    • Western Tatra Mts
Pieczka, A., Kraczka, J. (1994): X-ray and Mossbauer investigations of tourmalines from Tatra Mts. Mineralogia Polonica: 25(2): 63-72
Pieczka, A., Kraczka, J. (1994): X-ray and Mossbauer investigations of tourmalines from Tatra Mts. Mineralogia Polonica: 25(2): 63-72
Pieczka, A., Kraczka, J. (1994): X-ray and Mossbauer investigations of tourmalines from Tatra Mts. Mineralogia Polonica: 25(2): 63-72
Portugal
 
  • Castelo Branco
    • Covilhã
Martins da Pedra collection
Slovakia
 
  • Banská Bystrica Region
    • Žarnovica Co.
Karsten Ivan specimen
South Africa
 
  • KwaZulu-Natal
    • Ugu District
De Villiers, J.E. (1940) Iron-rich kornerupine from Port Shepstone, Natal. Mineralogical Magazine, vol. 25, n° 169, 550-556.
Spain
 
  • Catalonia
    • Girona (Gerona)
      • Alt Empordà
        • Cadaqués
- Pura Alfonso - J. C. Melgarejo (2000) Boron vs. Phosphorus in granitic pegmatites: the Cap de Creus case Journal of the Czech Geological Society 45/1-2
    • Lleida (Lérida)
      • El Pallars Jussà
        • Tremp
          • Casterner de les Olles
Calvo, M., Calvo, G., Pocovi, A., Lago, M. & Viñals, J. (2011): Epidot und Axinit vom Escales-Stausee, Katalanische Pyrenäen, Nordspanien. Lapis 36 (5), 13-20; 58 (in German). ; Joan Rosell
  • Galicia
    • A Coruña (La Coruña)
      • Santiago de Compostela
        • Aríns
Pascual, E; Estévez, A. (1981) Estudio geológico del yacimiento de Fornás (Santiago). Cuaderno do Laboratorio Xeolóxico de Laxe 2 (vol II):191-211
Switzerland
 
  • Ticino
    • Blenio Valley
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 415.
    • Leventina
      • Faido
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 415.
    • Lugano lake
      • Carona
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 416.
  • Valais
    • Goms
      • Binn
Thailand
 
  • Prachuap Khiri Khan Province
Eur. J. Mineral. , 1993, 5, pp. 721-736.
USA
 
  • Arizona
    • Maricopa Co.
Sauktown Sales
  • California
    • Riverside Co.
      • Cahuilla Mining District
        • Little Cahuilla Mountain
Osborn, P. (2006) Personal communication between Philip Osborn, Hemet CA. (discoverer/owner) and Scott L. Ritchie, SDMC; 07/25.
  • Colorado
    • Jefferson Co.
Minerals of Colorado (1997) E.B. Eckel
Minerals of Colorado (1997) E.B. Eckel
    • Larimer Co.
      • Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District)
Minerals of Colorado (1997) E.B. Eckel
  • North Carolina
    • Mitchell Co.
      • Spruce Pine Mining District
        • Spruce Pine
Tappen,Christine.,Smith S.Michael and Dockal A. James (2006) Beryl (Aquamarine,Emerald,Green and Yellow) and Tourmaline of the Crabtree Pegmatite,Spruce Pine District Mitchell County ,North Carolina:Proceedings of the 42nd Forumon the Geology of Industrial Minerals at Asheville,North Carolina,Information Circular 34,NCGS
 
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