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Magnesio-foitite

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About Magnesio-foititeHide

Formula:
(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Colour:
Pale bluish-grey
Lustre:
Earthy
Hardness:
7
Crystal System:
Trigonal
Name:
Named for its relationship to foitite

Classification of Magnesio-foititeHide

Approved
Approval Year:
1998
9.CK.05

9 : SILICATES (Germanates)
C : Cyclosilicates
K : [Si6O18]12- 6-membered single rings, with insular complex anions
Dana 7th ed.:
61.3.1.2

Physical Properties of Magnesio-foititeHide

Earthy
Colour:
Pale bluish-grey
Streak:
Not reported.
Hardness:

Optical Data of Magnesio-foititeHide

Type:
Uniaxial (-)
RI values:
nω = 1.650 nε = 1.624
Max Birefringence:
δ = 0.026
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of Magnesio-foititeHide

Formula:
(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
IMA Formula:
◻(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)

Crystallography of Magnesio-foititeHide

Crystal System:
Trigonal

Type Occurrence of Magnesio-foititeHide

Synonyms of Magnesio-foititeHide

Other Language Names for Magnesio-foititeHide

Relationship of Magnesio-foitite 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-schorlNa(Fe2+3)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-tsilaisiteNa(Mn2+)3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-uviteCaMg3(Al5Mg)(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-lucchesiiteCaMg3Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
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:
20 photos of Magnesio-foitite associated with QuartzSiO2
11 photos of Magnesio-foitite associated with AlbiteNa(AlSi3O8)
7 photos of Magnesio-foitite associated with GosheniteBe3Al2(Si6O18)
3 photos of Magnesio-foitite associated with MuscoviteKAl2(AlSi3O10)(OH)2
2 photos of Magnesio-foitite associated with ScheeliteCa(WO4)
2 photos of Magnesio-foitite associated with Limonite(Fe,O,OH,H2O)
1 photo of Magnesio-foitite associated with WoodhouseiteCaAl3(PO4)(SO4)(OH)6
1 photo of Magnesio-foitite associated with BerylBe3Al2(Si6O18)

Related Minerals - Nickel-Strunz GroupingHide

9.CK.Fluor-schorlNa(Fe2+3)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
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.BosiiteNaFe3+3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 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.05Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05TsilaisiteNa(Mn2+)3Al6(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.05Luinaite-(OH)Na(Fe2+)3Al6(Si6O18)(BO3)3(OH)3(OH)Mon. m : Bm
9.CK.05Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
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.05Oxy-schorlNa(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
9.CK.05Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
9.CK.05Oxy-chromium-draviteNa(Cr)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O Trig. 3m : R3m
9.CK.05Fluor-tsilaisiteNa(Mn2+)3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
9.CK.05Vanadio-oxy-chromium-draviteNa(V)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O Trig. 3m : R3m
9.CK.05Uvite (OH-dominant end-member)Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
9.CK.05Fluor-uviteCaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
9.CK.05Vanadio-oxy-draviteNaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m
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

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 Magnesio-foititeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hawthorne, F.C., Selway, J.B., Kato, A., Matsubara, S., Shimizu, M., Grice, J.D., Vajdak, J. (1999) Magnesiofoitite, _(Mg2Al)Al6(Si6O18)(BO3)3(OH)4, a new alkali-deficient tourmaline. Canadian Mineralogist: 37: 1439-1443.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).
Henry, D., Novák, M., Hawthorne, F.C., Ertl, A., Dutrow, B.L., Uher, P. & Pezzotta, F. (2011): Nomenclature of the tourmaline supergroup minerals. Am. Mineral., 96, 895-913.
Fantini, C., Tavares, M.C., Krambrock, K., Moreira, R.L., and Righi, A. (2014): Raman and infrared study of hydroxyl sites in natural uvite, fluor-uvite, magnesio-foitite, dravite and elbaite tourmalines. Physics and Chemistry of Minerals, 41, 247-254.
Berryman, E.J., Wunder, B., Ertl, A., Koch-Müller, M., Rhede, D., Scheidl, K., Giester, G., and Heinrich, W. (2016): Influence of the X-site composition on tourmaline’s crystal structure: investigation of synthetic K-dravite, dravite, oxy-uvite, and magnesio-foitite using SREF and Raman spectroscopy. Physics and Chemistry of Minerals, 43, 83-102.

Internet Links for Magnesio-foititeHide

Localities for Magnesio-foititeHide

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
 
  • Northern Territory
    • West Arnhem Region
      • Kakadu
Gigon, J., Skirrow, R. G., Harlaux, M., Richard, A., Mercadier, J., Annesley, I. R., & Villeneuve, J. (2019). Insights into B-Mg-Metasomatism at the Ranger U Deposit (NT, Australia) and Comparison with Canadian Unconformity-Related U Deposits. Minerals, 9(7), 432.
  • Tasmania
    • West Coast municipality
      • Queenstown district
Ralph Bottrill et al in prep.; Bottrill, R. S. (2000). A Mineralogical Field Guide for the Western Tasmania Minerals and Museums Tour.
Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Bottrill RS & Baker, WE (in prep) Catalogue of Minerals of Tasmania. Mineral Resources Tasmania
Austria
 
  • Lower Austria
    • Krems-Land District
      • 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.
Burkina Faso
 
  • Centre-Sud Region
Fontaine, A., Eglinger, A., Ada, K., André-Mayer, A. S., Reisberg, L., Siebenaller, L., ... & Poujol, M. (2017). Geology of the world-class Kiaka polyphase gold deposit, West African Craton, Burkina Faso. Journal of African Earth Sciences, 126, 96-122.
Canada
 
  • Saskatchewan
    • Athabasca Basin
Reid, K.D., Creighton, S. & Potter, E.G. (2016) Composition of large zoned aluminum phosphate sulfate minerals: implications for fluid evolution in the Centennial uranium deposit area, Athabasca basin, Saskatchewan, Canada. Canadian Mineralogist 54, 1205-1228.
Rosenberg P. E., Foit F. F. (2006): Magnesiofoitite from the uranium deposits of the Athabasca basin, Saskatchewan, Canada. Canadian Mineralogist, 44, 959-965.
Geological Association of Canada (2014) Abstracts Fredericton Vol 37; Adlakha, E.E. & Hattori, K. (2016): Paragenesis and composition of tourmaline types along the P2 fault and Mcarthur River uranium deposit, Athabasca Basin, Canada. Canadian Mineralogist, 54, 661-679.; Adlakha, E., Hattori, K., Zaluski, G., Kotzer, T., & Potter, E. G. (2013). Alteration within the basement rocks associated with the P2 fault and the McArthur River uranium deposit, Athabasca Basin. Geological Survey of Canada Open File Report, 7462, 33.; Ng, R., Alexandre, P., & Kyser, K. (2013). Mineralogical and geochemical evolution of the unconformity-related McArthur River Zone 4 orebody in the Athabasca Basin, Canada: implications of a silicified zone. Economic Geology, 108(7), 1657-1689.; Adlakha, E. E., & Hattori, K. (2015). Compositional variation and timing of aluminum phosphate-sulfate minerals in the basement rocks along the P2 fault and in association with the McArthur River uranium deposit, Athabasca Basin, Saskatchewan, Canada. American Mineralogist, 100(7), 1386-1399.
Rosenberg P. E., Foit F. F. (2006): Magnesiofoitite from the uranium deposits of the Athabasca basin, Saskatchewan, Canada. Canadian Mineralogist, 44, 959-965.
China
 
  • Sichuan
    • Mianyang
      • Pingwu Co.
        • Mt Xuebaoding
          • Huya township
Pavel Kartashov data
Czech Republic
 
  • Central Bohemian Region
    • Kutná Hora District
      • Zruč nad Sázavou
        • Vlastějovice (Hammerstadt)
Gadas, P., Novák, M., Filip, J., & Staněk, J. (2011). Zoned foitite→ schorl→ dravite→ magnesiofoitite crystals from pockets in anatectic pegmatites of the Moldanubian Zone, Czech Republic. In Asociacion Geologica Argentina, ser. D, Contributions to the 5th Int. Symp. on Granitic Pegmatites (Vol. 14, pp. 87-89).
Germany
 
  • Bavaria
    • Lower Bavaria
      • Regen
        • Zwiesel
          • Pauliberg
Melch, R. (2017): Magnesiofoitit aus dem Bayerischen Wald. Lapis, 42 (3), 25.
Hungary
 
  • Pest County
    • Szob District
WDS: Béla Fehér
Italy
 
  • Piedmont
    • Metropolitan City of Turin
      • Prali
Ciriotti, M.E. & Biagioni, C. (2011): Pot-pourri 2011: identificazioni di minerali di interesse. Micro, 3/2011, 125-133
Japan
 
  • Miyazaki
    • Hinokage
Uehara, S., et al (2014) Minerals from Kyushu and Yamaguchi. (Fukuouka Mineral Club, 355 pp.)
  • Yamanashi
    • Mitomi-mura
[AmMin 85:1562]
Madagascar
 
  • Haute Matsiatra
    • Ikalamavony
http://www.minrec.org/pdfs/Toms%20Online%20report%2038.pdf
Russia
 
  • Chelyabinsk Oblast
    • Sosnovsky District
Plotinskaya, O. Y., Grabezhev, A. I., Groznova, E. O., Seltmann, R., & Lehmann, B. (2014). The Late Paleozoic porphyry–epithermal spectrum of the Birgilda–Tomino ore cluster in the South Urals, Russia. Journal of Asian Earth Sciences, 79, 910-931.
  • Sverdlovsk Oblast
    • Beryozovsky
I.A. Baksheev and O.E. Kudryavtseva : "Composition of some pegmatitic, hydrothermal and metamorphic dravites from the Urals, Russia", Bull. Liaison SFMC, Vol. 16, 2004; Baksheev, I. A. & Kudryavtseva, O. E. (2004): Nickeloan tourmaline from the Berezovskoe gold deposit, Middle Urals, Russia. Canadian Mineralogist 42, 1065-1078.
Pavel M. Kartashov analytical data (2011)
The Canadian Mineralogist, V 42, 2004, pp. 1065-1078.
  • Tuva
    • Sut-Kholsky District
Kuzhuget, R. V., Zaikov, V. V., Lebedev, V. I., & Mongush, A. A. (2015). Gold mineralization of the Khaak-Sair gold-quartz ore occurrence in listwanites (western Tuva). Russian Geology and Geophysics, 56(9), 1332-1348.
Slovakia
 
  • Banská Bystrica Region
    • Detva Co.
      • Vígľašská Huta - Kalinka
Juraj ŽItňan, Peter Koděra & Pavel Uher (2011) Characteristics of advanced argillic alteration at Biely Vrch and Kalinka localities, Javorie stratovolcano, Slovakia.SGA Student Conference Mineral resources for the society Prague, April15 19,2011
    • Rimavská Sobota Co.
      • Tisovec
Bačík P., Ertl A., Števko M., Giester G., Sečkár P. (2015): Acicular zoned tourmaline (magnesio-foitite to foitite) from a quartz vein near Tisovec, Slovakia: the relationship between crystal chemistry and acicular habit. Canadian Mineralogist, 53, 2, 221-234.
  • Bratislava Region
    • Pezinok Co.
      • Pezinok
        • Slnečné Valley
Uher P., Bačík P., Ozdín D., 2009: Tourmaline (magnesiofoitite and dravite) in quartz vein near Limbach, Malé Karpaty Mts. (Slovakia). Mineralia Slovaca, 41, 445-456.
Turkey
 
  • Uşak Province
    • Uşak
Bozkaya, G., HanilçI, N., Baksheev, I. A., Prokofiev, V. Yu. and Banks, D. A. (2014), Tourmaline Composition of the Kışladaĝ Au Deposit, Uşak, Turkey. Acta Geologica Sinica, 88: 520–521
USA
 
  • California
    • Mono Co.
      • White Mts
        • White Mountain Peak
F. Hawthorne pers. comm.
  • Wisconsin
    • Sauk Co.
Medaris, L., Fournelle, J. & Henry, D.( 2003) Tourmaline-bearing quartz veins in the Baraboo Quartzite, Wisconsin: occurrence and significance of foitite and oxy-foitite: The Canadian Mineralogist: 41: 749-758.
 
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