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Fluor-schorl

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About Fluor-schorlHide

The F-analogue of schorl. A complete solid solution exists between the two.

Apparently not really uncommon (Ertl et al., 2016; Kolitsch & Ertl, unpubl. results), confirmed by large analytical dataset in Henry & Dutrow (2011). A correlation between Fe and F content is present (Fe-rich -> F-rich) (Ertl et al., 2016).

First reported, with a full crystal-structure refinement and complete chemical-analytical details, as unnamed F-dominant analogue of schorl from Grasstein, Trentino – South Tyrol, Italy (Ertl et al., 2006).



Classification of Fluor-schorlHide

Approved
Approval Year:
2011
9.CK.

9 : SILICATES (Germanates)
C : Cyclosilicates
K : [Si6O18]12- 6-membered single rings, with insular complex anions

Physical Properties of Fluor-schorlHide

Colour:
Black
Comment:
Pale brownish to pale greyish-bluish when the diameter is below 0.3 mm
Streak:
Bluish white
Hardness:
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
{0001}
Parting:
None
Density:

Optical Data of Fluor-schorlHide

Type:
Uniaxial (-)
RI values:
nω = 1.660 - 1.661 nε = 1.636 - 1.637
Max Birefringence:
δ = 0.024
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Comments:
Brown to grey-brown or blue (O), pale grey-brown or cream (E)

Chemical Properties of Fluor-schorlHide

Formula:
Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3F
IMA Formula:
NaFe2+3Al6(Si6O18)(BO3)3(OH)3F

Crystallography of Fluor-schorlHide

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3m
Setting:
R3m
Cell Parameters:
a = 16.005(2) Å, c = 7.176(1) Å
Ratio:
a:c = 1 : 0.448
Unit Cell V:
1591.9 ų
Z:
3

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.361 (84)
4.225 (39)
3.995 (100)
3.470 (67)
2.959 (51)
2.584 (76)
2.045 (24)
1.454 (26)

Type Occurrence of Fluor-schorlHide

Place of Conservation of Type Material:
Natural History Museum, Vienna (Austria), registered nos. 8165 (holotype, Zschorlau) and 8166 (holotype, Grasstein)

Synonyms of Fluor-schorlHide

Other Language Names for Fluor-schorlHide

Relationship of Fluor-schorl to other SpeciesHide

Other Members of this group:
AdachiiteCaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH)Trig. 3m : R3m
BosiiteNaFe3+3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Chromium-draviteNa(Mg3)Cr3+6(Si6O18)(BO3)3(OH)3(OH)Trig.
Chromo-alumino-povondraiteNa(Cr3)(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
DarrellhenryiteNa(LiAl2)Al6(BO3)3Si6O18(OH)3O Trig. 3m : R3m
DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Fluor-buergeriteNa(Fe3+3)Al6(Si6O18)(BO3)3O3FTrig. 3m : R3m
Fluor-draviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-feruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3F
Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-tsilaisiteNa(Mn2+)3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-uviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Foitite(□,Na)(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3OHTrig. 3m : R3m
LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
LucchesiiteCaFe2+3 Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Luinaite-(OH)Na(Fe2+)3Al6(Si6O18)(BO3)3(OH)3(OH)Mon. m : Bm
Magnesio-foitite(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig.
MaruyamaiteK(MgAl2)(Al5Mg)(BO3)3(Si6O18)(OH)3OTrig. 3m : R3m
OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)Trig.
Oxy-chromium-draviteNa(Cr)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O Trig. 3m : R3m
Oxy-draviteNa(MgAl2)MgAl5(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Oxy-foitite□(Fe2+Al2)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m (3 2/m) : R3m
Oxy-rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3O
Oxy-schorlNa(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Oxy-uviteCaMg3Al6(Si6O18)(BO3)3(OH)3O
Oxy-vanadium-draviteNa(V)3(V4Mg2)Si6O18(BO3)3(OH)3OTrig. 3m : R3m
PovondraiteNaFe3+3(Mg2Fe3+4)(Si6O18)(BO3)3(OH)3OTrig.
Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
SchorlNa(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
TsilaisiteNa(Mn2+)3Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
UM2000-64-SiO:BFeHKMgK, Mg, Fe, Si, B, O, H
Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
Uvite SeriesCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)Trig. 3m : R3m
Vanadio-oxy-chromium-draviteNa(V)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O Trig. 3m : R3m
Vanadio-oxy-draviteNaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m

Common AssociatesHide

Associated Minerals Based on Photo Data:
Amazonite6 photos of Fluor-schorl associated with Amazonite on mindat.org.
Smoky Quartz3 photos of Fluor-schorl associated with Smoky Quartz on mindat.org.
Chlorite Group3 photos of Fluor-schorl associated with Chlorite Group on mindat.org.
Albite2 photos of Fluor-schorl associated with Albite on mindat.org.
Orthoclase2 photos of Fluor-schorl associated with Orthoclase on mindat.org.
Chabazite2 photos of Fluor-schorl associated with Chabazite on mindat.org.
Hematite1 photo of Fluor-schorl associated with Hematite on mindat.org.
Quartz1 photo of Fluor-schorl associated with Quartz on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.CK.DarrellhenryiteNa(LiAl2)Al6(BO3)3Si6O18(OH)3O Trig. 3m : R3m
9.CK.AdachiiteCaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Fluor-buergeriteNa(Fe3+3)Al6(Si6O18)(BO3)3O3FTrig. 3m : R3m
9.CK.05Chromium-draviteNa(Mg3)Cr3+6(Si6O18)(BO3)3(OH)3(OH)Trig.
9.CK.05DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Foitite(□,Na)(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3OHTrig. 3m : R3m
9.CK.05LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)Trig.
9.CK.05PovondraiteNaFe3+3(Mg2Fe3+4)(Si6O18)(BO3)3(OH)3OTrig.
9.CK.05SchorlNa(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Magnesio-foitite(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig.
9.CK.05Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Oxy-vanadium-draviteNa(V)3(V4Mg2)Si6O18(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05Oxy-draviteNa(MgAl2)MgAl5(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05Oxy-rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3O
9.CK.05Chromo-alumino-povondraiteNa(Cr3)(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05Fluor-draviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
9.CK.05Fluor-uviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
9.CK.10Abenakiite-(Ce)Na26Ce6(Si6O18)(PO4)6(CO3)6(SO2)OTrig. 3 : R3
9.CK.15ScawtiteCa7(Si3O9)2CO3 · 2H2OMon. 2/m
9.CK.20Steenstrupine-(Ce)Na14Mn2+2(Fe3+,Mn3+)2Ce6(Zr,Th)(Si6O18)2(PO4)6(HPO4)(OH)2 · 2H2OTrig.
9.CK.20Thorosteenstrupine(Ca,Th,Mn)3Si4O11F · 6H2O

Fluorescence of Fluor-schorlHide

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 Fluor-schorlHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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.
Henry, D.J., Dutrow, B.L. (2011) The incorporation of fluorine in tourmaline: internal crystallographic controls or external environmental influences? The Canadian Mineralogist: 49: 41-56.
Ertl, A., Kolitsch, U., Darby Dyar, M., Meyer, H.-P., Henry, D.J., Rossman, G.R., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. (2011) Fluor-schorl, IMA 2010-067. CNMNC Newsletter 8, 291. Mineralogical Magazine: 75: 289-294.
Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., 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.

Internet Links for Fluor-schorlHide

Localities for Fluor-schorlHide

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.
Australia
 
  • Victoria
    • Swan Hill Rural City
      • Lake Boga
Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., Rossman, G.R., Henry, D.J., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. and Niedermayr, G. (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. Eur. J. Mineral. 28, 163-177.
Austria
 
  • Lower Austria
    • Waldviertel
      • Senftenberg
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.
Canada
 
  • British Columbia
    • Revelstoke Mining Division
      • Revelstoke
DIXON,A., CEMPIREK, J. & GROAT, L.A. (2014) Mineralogy and geochemistry of pegmatites on Mount Begbie, British Columbia. Canadian Mineralogist 52, 129-164.; Dixon, A. (2014, October). Mount Begbie Pegmatite Group, British Columbia, Canada–evolution from Barren to Complex Rare-element Pegmatites. In 2014 GSA Annual Meeting in Vancouver, British Columbia.
Czech Republic
 
  • South Moravia Region
    • Nedvědice
Novak, M., Selway, J. B. & Houzar, S. (1998): Potassium-bearing, fluorine-rich tourmaline from metamorphosed fluorite layer in leucocratic orthogneiss at Nedvedice, Svratka Unit, western Moravia. Journal of the Czech Geological Society 43, 37-44; Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., Rossman, G.R., Henry, D.J., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. and Niedermayr, G. (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. Eur. J. Mineral. 28, 163-177.
  • Vysočina Region
    • Žďár nad Sázavou District
      • Velké Meziříčí (Groß Meseritsch; Groß Meseritz)
Burianek, D. & Novak, M. (2004): Morphological and compositional evolution of tourmaline from nodular granite at Lavičky near Velké Meziříčí, Moldanubicum, Czech Republic. Journal of the Czech Geological Society 49, 81-90.
Germany
 
  • Bavaria
    • Franconia
      • Fichtelgebirge
        • Weißenstadt
          • Kirchenlamitz
Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., Rossman, G.R., Henry, D.J., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. and Niedermayr, G. (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. Eur. J. Mineral. 28, 163-177.
  • Saxony
    • Erzgebirge
      • Johanngeorgenstadt District
Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., Rossman, G.R., Henry, D.J., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. and Niedermayr, G. (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. Eur. J. Mineral. 28, 163-177.
      • Schneeberg District
        • Lindenau
Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., Rossman, G.R., Henry, D.J., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. and Niedermayr, G. (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. Eur. J. Mineral. 28, 163-177.
Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., Rossman, G.R., Henry, D.J., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. and Niedermayr, G. (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. Eur. J. Mineral. 28, 163-177.
        • Zschorlau
Ertl, A., Kolitsch, U., Darby Dyar, M., Meyer, H.-P., Henry, D.J., Rossman, G.R., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., and Tillmanns, E. (2011): CNMNC Newsletter 8, 291; Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., Rossman, G.R., Henry, D.J., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. and Niedermayr, G. (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. Eur. J. Mineral. 28, 163-177.
    • Limbach-Oberfrohna
      • Pegmatite occurrences
Gunnar Färber
Gunnar Färber
Italy
 
  • Lombardy
    • Varese Province
      • Ceresio Valley
Vignola, P., Gentile, P., Risplendente, A. (2018): Sulla tormalina del granofiro di Cuasso al Monte (Varese). MICRO 16 (1), 44-49.
  • Trentino-Alto Adige (Trentino-Südtirol)
    • Bolzano Province (South Tyrol)
      • Isarco Valley (Eisack Valley)
        • Fortezza (Franzensfeste)
- A. Ertl, U. Kolitsch, S. Prowatke, M. D. Dyar and D. J. Henry (2006): The F-analogue of schorl from Grasstein, Trentino – South Tyrol, Italy: crystal structure and chemistry. Eur. J. Mineral. 18, 583-588.
      • Sarentine Alps (Sarntal Alps)
        • Fortezza (Franzensfeste)
          • Grasstein
A. Ertl, U. Kolitsch, S. Prowatke, M. D. Dyar and D. J. Henry (2006): The F-analogue of schorl from Grasstein, Trentino – South Tyrol, Italy: crystal structure and chemistry. Eur. J. Mineral. 18, 583-588; Ertl, A., Kolitsch, U., Darby Dyar, M., Meyer, H.-P., Henry, D.J., Rossman, G.R., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., and Tillmanns, E. (2011): CNMNC Newsletter 8, 291; Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., Rossman, G.R., Henry, D.J., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. and Niedermayr, G. (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. Eur. J. Mineral. 28, 163-177.
Japan
 
  • Kyushu Region
    • Fukuoka Prefecture
Yohei Shirose, Seiichiro Uehara (2013) Li tourmaline from Nagatare, Fukuoka Prefecture, Japan. Journal of Mineralogical and Petrological Sciences Vol. 108 (2013) No. 4 August p. 238-243
Namibia
 
U. Kolitsch & A. Ertl (unpublished results)
    • Arandis
      • Cape Cross area
Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., Rossman, G.R., Henry, D.J., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. and Niedermayr, G. (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. Eur. J. Mineral. 28, 163-177.
    • Karibib
Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., Rossman, G.R., Henry, D.J., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. and Niedermayr, G. (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. Eur. J. Mineral. 28, 163-177.
Ertl, A., Kolitsch, U., Dyar, M.D., Meyer, H.-P., Rossman, G.R., Henry, D.J., Prem, M., Ludwig, T., Nasdala, L., Lengauer, C.L., Tillmanns, E. and Niedermayr, G. (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. Eur. J. Mineral. 28, 163-177.
Norway
 
  • Nordland
    • Meløy
      • Holandsfjord
Kolitsch, U., Husdal, T. A., Brandstätter, F. & Ertl, A. (2011): New crystal-chemical data for members of the tourmaline group from Norway: occurences of fluor-schorl and luinaite-(OH). Norsk Bergverksmuseum Skrift 46, 17-24. ; Kolitsch, U., Andresen, P., Husdal, T. A., Ertl, A., Haugen, A., Ellingsen, H. V. and 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 Bergverksmuseet Skrift 50, 23-41.
    • Sørfold
Kolitsch, U., Husdal, T. A., Brandstätter, F. & Ertl, A. (2011) : New crystal-chemical data for members of the tourmaline group from Norway: occurences of fluor-schorl and luinaite-(OH). Norsk Bergverksmuseum Skrift 46, 17-24; Kolitsch, U., Andresen, P., Husdal, T. A., Ertl, A., Haugen, A., Ellingsen, H. V. and 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 Bergverksmuseet Skrift 50, 23-41.
    • Tjeldsund
Kolitsch, U., Husdal, T. A., Brandstätter, F. & Ertl, A. (2011) : New crystal-chemical data for members of the tourmaline group from Norway: occurences of fluor-schorl and luinaite-(OH). Norsk Bergverksmuseum Skrift 46, 17-24.
Kolitsch, U., Husdal, T. A., Brandstätter, F. & Ertl, A. (2011) : New crystal-chemical data for members of the tourmaline group from Norway: occurences of fluor-schorl and luinaite-(OH). Norsk Bergverksmuseum Skrift 46, 17-24.
  • Telemark
    • Drangedal
      • Tørdal
Raade, G. & Kolitsch, U. (2016): Crystal chemistry of two tourmalines from Høydalen, Tørdal, Telemark. Norsk mineralsymposium 2016, 21-31.
Slovakia
 
  • Košice Region
    • Rožňava Co.
      • Dobšiná mining district (Dobschau; Topschau)
Uher P., Bačík P., Števko M., Chládek Š., Fridrichová J. (2018): Elbaite-bearing, Nb-Ta-rich granitic pegmatite from Dobšiná, Gemeric Unit, Eastern Slovakia: the first documented occurrence in the Western Carpathians. Joint 5th Central-European Mineralogical Conference and 7th Mineral Sciences in the Carpathians Conference, Book of Abstracts, 109.
USA
 
  • Maine
    • Androscoggin Co.
      • Poland
Roda-Robles, E., Simmons, W., Pesquera, A., Gil-Crespo, P. P., Nizamoff, J., & Torres-Ruiz, J. (2015). Tourmaline as a petrogenetic monitor of the origin and evolution of the Berry-Havey pegmatite (Maine, USA). American Mineralogist, 100(1), 95-109.
Mineral and/or Locality  
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