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Dravite-Schorl Series

A solid-solution series between two end-member minerals
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About Dravite-Schorl SeriesHide

Crystal System:
Trigonal
Series Formula:
NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) to NaFe32+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.


Unique IdentifiersHide

Mindat ID:
8691
Long-form identifier:
mindat:1:1:8691:8

Crystallography of Dravite-Schorl SeriesHide

Crystal System:
Trigonal

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020157DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Umba Valley, Tanzania0293
0020156DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Shabrovskoe ore district, Middle Urals, Russia0293
0020155DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Shabrovskoe ore district, Middle Urals, Russia0293
0020154DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Shabrovskoe ore district, Middle Urals, Russia0293
0019716DraviteBacik P, Uher P, Ertl A, Jonsson E, Nysten P, Kanicky V, Vaculovic T (2012) Zoned REE-enriched dravite from a granitic pegmatite in Forshammar Bergslagen Province, Sweden: An EMPA, XRD and LA-ICP-MS study The Canadian Mineralogist 50 825-8412012Forshammar Bergslagen Province, Sweden0293
0018457DraviteHughes J M, Rakovan J, Ertl A, Rossman G R, Baksheev I, Bernhardt H-J (2011) Dissymmetrization in tourmaline: the atomic arrangement of sectorally zoned triclinic Ni-bearing dravite The Canadian Mineralogist 49 29-402011Berezovskoe gold deposit, Middle Urals, Russia0293
0004680DraviteBosi F (2008) Disordering of Fe2+ over octahedrally coordinated sites of tourmaline American Mineralogist 93 1647-16532008Uto Island, south of Stockholm, Sweden0293
0003959SchorlBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0003958SchorlBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0003957SchorlBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0007056SchorlBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Lake Baikal, Siberia0293
0007051SchorlBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Cruziero, Minas Gerais, Brazil0293
0007050SchorlBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Cruziero, Minas Gerais, Brazil0293
0007047SchorlBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Bovey Tracy, Devonshire, England0293
0007080DraviteMarschall H R, Ertl A, Hughes J M, McCammon C A (2004) Metamorphic Na- and OH-rich disordered dravite with tetrahedral boron, associated with omphacite, from Syros, Greece: chemistry and structure European Journal of Mineralogy 16 817-8232004Syros, Greece0293
0007055DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Lake Baikal, Siberia0293
0007054DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Lake Baikal, Siberia0293
0007053DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Cruziero, Minas Gerais, Brazil0293
0007048DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Arendal, Norway0293
0007044DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Zillerthal, Tyrol, Austria0293
0007043DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Haddam, Connecticut, U.S.A.0293
0007042DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Haddam, Connecticut, U.S.A.0293
0007041DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Beresov Mine, Siberia0293
0007040DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Beresov Mine, Siberia0293
0007039DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Olkhon (Lake Baikal), Siberia0293
0007038DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Olkhon (Lake Baikal), Siberia0293
0002914SchorlCamara F, Ottolini L, Hawthorne F C (2000) Crystal chemistry of three tourmalines by SREF, EMPA and SIMS American Mineralogist 87 1437-14422000Alto Lighona pegmatite field, Zambezia, Mozambique0293
0002913DraviteCamara F, Ottolini L, Hawthorne F C (2000) Crystal chemistry of three tourmalines by SREF, EMPA and SIMS American Mineralogist 87 1437-14422000Madagascar0293
0002241SchorlBloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series Sample HP2-1 American Mineralogist 84 922-9281999Harney Peak Granite, Custer County, South Dakota, USA0293
0002238SchorlBloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series Sample 108749 American Mineralogist 84 922-9281999Madagascar0293
0018786SchorlGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Cross Lake, Manitoba, Canada0293
0018784SchorlGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Silver Crater, Hastings Co., Ontario, Canada0293
0018792DraviteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Yinnietharra, Western Australia0293
0018789DraviteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Moctezuma, Sonora, Mexico0293
0001551DraviteHawthorne F C, MacDonald D J, Burns P C (1993) Reassignment of cation site occupancies in tourmaline: Al-Mg disorder in the crystal structure of dravite American Mineralogist 78 265-2701993Osarar, Narok District, Kenya0293
0001229SchorlFoit F F (1989) Crystal chemistry of alkali-deficient schorl and tourmaline structural relationships American Mineralogist 74 422-4311989Jack Creek deposit, near Basin, Montana, USA0293
0019011DraviteSchmetzer K, Nuber B, Abraham K (1979) Zur Kristallchemie Magnesium-reicher Turmaline Neues Jahrbuch fur Mineralogie, Abhandlungen 136 93-1121979Gerevi Hills, Tanzania0293
0000739DraviteFoit F F, Rosenberg P E (1979) The structure of vanadium-bearing tourmaline and its implications regarding tourmaline solid solutions American Mineralogist 64 788-7981979Silver Knob, Mariposa County, California, USA0293
0005111SchorlFortier S, Donnay G (1975) Schorl refinement showing composition dependence of the tourmaline structure The Canadian Mineralogist 13 173-1771975Andreasberg, Harz, Lower Saxony, Germany0293
0000045DraviteHamburger G E, Buerger M J (1948) The structure of tourmaline American Mineralogist 33 532-5401948de Kalb, New York, USA0293
CIF Raw Data - click here to close

Synonyms of Dravite-Schorl SeriesHide

Common AssociatesHide

Associations Based on Photo Data:
26 photos of Dravite-Schorl Series associated with SideriteFeCO3
26 photos of Dravite-Schorl Series associated with QuartzSiO2
22 photos of Dravite-Schorl Series associated with FluorapatiteCa5(PO4)3F
17 photos of Dravite-Schorl Series associated with MuscoviteKAl2(AlSi3O10)(OH)2
16 photos of Dravite-Schorl Series associated with ArsenopyriteFeAsS
15 photos of Dravite-Schorl Series associated with BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
7 photos of Dravite-Schorl Series associated with AlbiteNa(AlSi3O8)
6 photos of Dravite-Schorl Series associated with CalciteCaCO3
5 photos of Dravite-Schorl Series associated with MarcasiteFeS2
4 photos of Dravite-Schorl Series associated with FerberiteFeWO4

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.

Dravite-Schorl Series in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Internet Links for Dravite-Schorl SeriesHide

References for Dravite-Schorl SeriesHide

Localities for Dravite-Schorl SeriesHide

Showing 4,484 localities.

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.
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