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About HydrobiotiteHide

K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
2½ - 3
Crystal System:
A 1:1 regular interstratification of Biotite and Vermiculite layers.

Classification of HydrobiotiteHide

Renamed by the IMA

9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
2 : Sheets of 6-membered rings with 2:1 layers

Pronounciation of HydrobiotiteHide

PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of HydrobiotiteHide

2½ - 3 on Mohs scale

Optical Data of HydrobiotiteHide

Biaxial (-)

Chemical Properties of HydrobiotiteHide

K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
IMA Formula:
K(Mg,Fe2+)6(Si,Al)8O20(OH)4 · nH2O
Common Impurities:

Crystallography of HydrobiotiteHide

Crystal System:

Synonyms of HydrobiotiteHide

Other Language Names for HydrobiotiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Hydrobiotite associated with CorundumAl2O3
1 photo of Hydrobiotite associated with ChromiteFe2+Cr3+2O4
1 photo of Hydrobiotite associated with CalciteCaCO3

Related Minerals - Nickel-Strunz GroupingHide

9.EC.BalestraiteKLi2V5+Si4O12Mon. 2 : B2
9.EC.05MinnesotaiteFe2+3Si4O10(OH)2Tric. 1 : P1
9.EC.05TalcMg3Si4O10(OH)2Tric. 1 : P1
9.EC.9.EC.VoloshiniteRb(LiAl1.51.5)(Al0.5Si3.5)O10F2Mon. 2/m : B2/b
9.EC.10PyrophylliteAl2Si4O10(OH)2Tric. 1
9.EC.15CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15Montdorite(K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4Mon. 2/m : B2/m
9.EC.15MuscoviteKAl2(AlSi3O10)(OH)2Mon. 2/m : B2/b
9.EC.15RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2Mon. 2/m : B2/b
9.EC.15ChromphylliteK(Cr,Al)2(AlSi3O10)(OH,F)2Mon. 2/m : B2/b
9.EC.15FerroaluminoceladoniteK(Fe2+,Mg)(Al,Fe3+)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15FerroceladoniteK(Fe2+,Mg)(Fe3+,Al)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.20AnniteKFe2+3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20HendricksiteKZn3(Si3Al)O10(OH)2Mon. 2/m : B2/m
9.EC.20NorrishiteKLiMn3+2(Si4O10)O2Mon. 2/m : B2/m
9.EC.20PhlogopiteKMg3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20PolylithioniteKLi2Al(Si4O10)(F,OH)2Mon. 2/m : B2/b
9.EC.20FluorotetraferriphlogopiteKMg3(Fe3+Si3O10)F2Mon. 2/m : B2/m
9.EC.20Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4Mon. 2/m : B2/m
9.EC.20TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2Mon. 2/m : B2/b
9.EC.20ShirokshiniteKNaMg2(Si4O10)F2Mon. 2/m : B2/m
9.EC.20ShirozuliteKMn2+3(Si3Al)O10(OH)2Mon. 2/m : B2/m
9.EC.20AspidoliteNaMg3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20FluorophlogopiteKMg3(AlSi3O10)(F,OH)2Mon. 2/m : B2/m
9.EC.20Suhailite(NH4)Fe2+3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20YangzhumingiteKMg2.5(Si4O10)F2Mon. 2/m : B2/m
9.EC.20OrloviteKLi2Ti(Si4O10)OFMon. 2 : B2
9.EC.20OxyphlogopiteK(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2Mon. 2/m : B2/m
9.EC.35Anandite(Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2Mon. 2/m : B2/b
9.EC.35BityiteLiCaAl2(AlBeSi2O10)(OH)2Mon. 2/m : B2/b
9.EC.35ClintoniteCa(Mg,Al)3(Al3SiO10)(OH)2Mon. 2/m : B2/m
9.EC.35Oxykinoshitalite(Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2Mon. 2/m : B2/m
9.EC.35FluorokinoshitaliteBaMg3(Al2Si2O10)F2Mon. 2/m : B2/m
9.EC.40Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2OMon.
9.EC.40Kurumsakite(Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?)Orth.
9.EC.40Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2OMon. 2/m : B2/m
9.EC.40NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2OMon.
9.EC.40VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2OMon.
9.EC.40Yakhontovite(Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2OMon.
9.EC.45SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2OMon.
9.EC.45SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2OMon.
9.EC.45SpadaiteMgSiO2(OH)2 · H2O (?)
9.EC.45SwineforditeLi(Al,Li,Mg)4((Si,Al)4O10)2(OH,F)4 · nH2OMon.
9.EC.45ZincsiliteZn3Si4O10(OH)2 · 4H2O (?)Mon.
9.EC.45FerrosaponiteCa0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2OMon.
9.EC.50VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2OMon. 2/m
9.EC.55Baileychlore(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8Tric. 1
9.EC.55ClinochloreMg5Al(AlSi3O10)(OH)8Mon. 2/m : B2/m
9.EC.55Cookeite(Al2Li)Al2(AlSi3O10)(OH)8Mon. 2/m
9.EC.55FranklinfurnaceiteCa2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8Mon. 2 : B2
9.EC.55DonbassiteAl4.33(AlSi3O10)(OH)8Mon. 2 : B2
9.EC.55GlagoleviteNa(Mg,Al)6(AlSi3O10)(OH,O)8Tric. 1 : P1
9.EC.60AliettiteCa0.2Mg6((Si,Al)8O20)(OH)4 · 4H2OMon.
9.EC.60Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2OOrth.
9.EC.60Karpinskite(Ni,Mg)2Si2O5(OH)2 (?)Mon.
9.EC.60Rectorite(Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2OMon.
9.EC.60TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2OMon. 2 : B2
9.EC.60BrinrobertsiteNa0.3Al4(Si4O10)2(OH)4 · 3.5 H2OMon.
9.EC.70BurckhardtitePb2(Fe3+Te6+)[AlSi3O8]O6Trig. 3m (3 2/m) : P3 1m
9.EC.75Ferrisurite(Pb,Ca)2.4Fe3+2(Si4O10)(CO3)1.7(OH)3 · nH2OMon.
9.EC.75Niksergievite(Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2OMon.

Related Minerals - Dana Grouping (8th Ed.)Hide

71.2.2d.2IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2Mon. 2/m : B2/m
71.2.2d.3VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2OMon. 2/m

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 HydrobiotiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Brindley, G.W., Zalba, P.E., and Bethke, C.M. (1983): Hydrobiotite, a regular 1:1
interstratification of biotite and vermiculite layers. American Mineralogist 68, 420-425.
Neues Jahrbuch für Mineralogie, Monatshefte (1986): 4: 163-169.

Internet Links for HydrobiotiteHide

Localities for HydrobiotiteHide

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.
  • Northern Territory
    • Central Desert Region
      • Alcoota Station
Crohn, P.W. & Moore, D.H., (1984) The Mud Tank Carbonatite, Strangways Range, central Australia. BMR Journal of Australian Geology and Geophysics 9:1:13-18. Bureau of Mineral Resources, Geology and Geophysics, Canberra.
  • Western Australia
    • Sandstone Shire
Simpson, E.S. (1948), Minerals of Western Australia, Vol 1, p 110
  • Lower Austria
    • Krems-Land District
      • Gföhl
        • Felling
Götzinger, M. A. (1987): Vermiculitvorkommen der Böhmischen Masse in Österreich und ihre Entstehung. Mitt. Österr. Mineral. Ges., 132, 135-156.
        • Rastbach
Database „Minerale NÖ“ (A. Thinschmidt and co-workers)
      • Lichtenau im Waldviertel
Götzinger, M. A. (1987): Vermiculitvorkommen der Böhmischen Masse in Österreich und ihre Entstehung. Mitt. Österr. Mineral. Ges., 132, 135-156.
  • Tyrol
    • Schwaz District
      • Mayrhofen
R. Dallinger & J. Gufler (2006): Der größte Euklaskristall der Alpen - Neufund im Zillertal. Lapis 31 (3), 28-31. (in German)
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
ZULINSKI, N. and LALONDE, A.E. (2007) Mineralogy of hydrothermal ferruginous clay associated with colorless aegirine and bitumen in an altered pegmatite pocket from Mont Saint-Hilaire, Québec, Canada. Abstracts with Program, 34th Rochester Mineralogical Symposium, 23; reprinted in: Rocks & Minerals, 83(4), 346-347.
  • Fujian
    • Xiamen
      • Tong'an District
Mao Xingli and Yan Yipeng (1987): Journal of Fuzhou University, Natural Sciences Edition 15(3)
  • Gansu
    • Jiuquan
      • Subei Co.
        • Gongpoquan ore field
Gansu Province Metallurgical and Geological Exploration Team No. 4 (1978): Geology and Prospecting 14(8), 20-23
  • Hunan
    • Chenzhou
      • Yizhang Co.
        • Yaogangxian W-Sn ore field
Ottens, B. (2011): Mineralogical Record 42, 557-603
  • Jiangxi
    • Shangrao
      • Dexing Co.
        • Dexing Cu-Mo-Au ore field
          • Dexing copper mine
Kuanglin Yan (1978): Geology and Prospecting 14(4), 8-16
  • Xinjiang
    • Bayin'gholin Autonomous Prefecture (Bayingolin Autonomous Prefecture; Bayinguoleng Autonomous Prefecture)
      • Lopnur Co. (Yuli Co.; Weili Co.)
Ran Hongyan, Wang Guanxing, and Cao Junchen (1999): Acta Mineralogica Sinica 19(3), 299-307
  • Red Sea
    • Eastern Desert
      • Hafafit
Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
  • Auvergne-Rhône-Alpes
    • Haute-Loire
      • Cistrières
F.H Forestier "Les Péridotites Serpentinisées en France, Fascicule IV, Massif Central Médian : Bassin du Haut Allier", BRGM, 1964
      • Lubilhac
P.G. Pélisson : "Etude Minéralogique et Métallogénique du District Filonien Polytype de Paulhaguet (Haute-Loire, Massif Central Français)", Doctorate Thesis, Orléans, France, 1989 ; F.H. Forestier : "Les Péridotites Serpentinisées de France", Fascicule IV, BRGM, 1964
      • Saint-Cirgues
Bull. Minéral. , 1987, 110, pp. 359-371.
      • Salzuit
      • Torsiac
        • Lanau
F.H. Forestier : "Les Péridotites Serpentinisées en France, Groupe I, Fascicule IV, Bassin du Haut Allier", BRGM, 1964
      • Villeneuve d'Allier
F.H. Forestier : "Les Péridotites Serpentinisées en France, Groupe I, Fascicule IV, Bassin du Haut Allier", BRGM, 1964
F.H. Forestier : "Les Péridotites Serpentinisées en France, Groupe I, Fascicule IV, Bassin du Haut Allier", BRGM, 1964
  • Kvemo Kartli
    • Bolnisi District
Gugushvili, V. I., Akhvlediani, R., Natsvlishvili, M., & Hart, I. (2002). Two stages of gold mineralization within Sakdrisi deposit (Bolnisi Mining District, Georgia). Geologica Carpathica Special Issue, 53, 1-5.
  • Baranya County
Koch: Minerals of Hungary, 1985
  • Jharkhand
    • East (Purbi) Singhbhum District
S. G. Tenainkai, A. G. Ugarkar, M. V. Koti and A. Mookherjee (1991) Copper-bearing clay minerals of the oxidized zone of the Rakha-Chapri Block, Singhbhum Copper Belt, India. Proceedings of the Indian Academy of Sciences, Earth and Planetary Sciences, 100, 13-30.
  • Lazio
    • Viterbo Province
      • Onano
M.E. Ciriotti (2006) EPMA probed
  • Fukui Prefecture
Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo
  • Yamanashi Prefecture
Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo
  • Hidalgo
    • Zimapán Municipality
      • Zimapán
Panczner(1987): 93-396.
Pacific Ocean
  • Marcus-Wake ridge
Fengyou Chu, Daqian Hu, and Jie Yao (2006): Global Geology 26(3), 245-253
  • Sea of Japan
Astakhova, N. V., & Kolesnik, O. N. (2014). Ore mineralization in volcanic rocks from the submarine rises of the Sea of Japan. Geochemistry International, 52(2), 144-161.
  • Chelyabinsk Oblast
Igor Pekov and Anatoly Kasatkin analytical data (2011)
  • Banská Bystrica Region
    • Brezno District
      • Čierny Balog
Ozdín, D., Varga, P., Gajdoš, J. (2017) Mineralogická charakteristika alpskej paragenézy s epidotom a záhnedou na lokalite Čierny Balog – Tlstý Javor (Veporikum Západných Karpát). Esemestník: 6(2), 79-90. (In Slovak with English abstract).
South Africa
  • Limpopo
    • Phalaborwa
      • Loolekop
Gunnar Färber
  • 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
  • Arizona
    • Cochise County
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 254.
    • Pinal Co.
      • Cottonwood Canyon Mining District
        • Apache Junction area
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 254.
      • San Manuel Mining District
        • San Manuel
          • San Manuel Mine (Apex Lead & Vanadium Mining Corp Mine; Quarelli group)
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 215; Lowell, J.D. (1968), Geology of the Kalamazoo orebody, San Manuel district, AZ, Econ.Geol.: 63: 645-654; Schwartz, G.M. (1947), Hydrothermal alteration in the 'porphyry copper' deposits, Econ.Geol.: 42, 319-352; Creasey, S.C. (1959), Some phase relations in the hydrothermally altered rocks of porphyry copper deposits, Econ.Geol.: 54: 351-373.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 215, 254; Schwartz, G.M. (1958), Alteration of biotite under mesothermal conditions, Econ.Geol.: 53: 164-177; Lowell, J.D. (1968), Geology of the Kalamazoo orebody, San Manuel district, AZ, Econ.Geol.: 63: 645-654; Creasey, S.C, (1959), Some phase relations in the hydrothermally altered rocks of porphyry copper deposits, Econ.Geol.: 54: 351-373; .
  • Colorado
    • Saguache Co.
      • Bonanza Mining District (Kerber Creek Mining District; Blake Mining District)
Minerals of Colorado (1997) E.B. Eckel
  • Montana
    • Lincoln Co.
      • Libby Mining District (Snowshoe Mining District)
        • Libby
American Mineralogist, Volume 88, pages 1955–1969, 2003
    • Ravalli Co.
      • Mineral Point Mining District
        • Alta
Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens.; Gobla, M. J. (2012) Montana Mineral Locality Index. Rocks and Minerals 87:208-240.
  • Nevada
    • Clark Co.
      • New York Mountains
        • Crescent Mining District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Humboldt Co.
      • Vicksburg Mining District
NBMG Spec. Pub. 31 Minerals of Nevada
Dana,E.S,1892,A System of Mineralogy,6th edition,pg.667
    • Macon Co.
      • Cowee Valley
        • Ellijay Mining District
          • Franklin
            • Corundum Hill
Genth,F.A,1891,The Minerals of North Carolina
Eckert, J. O., Jr., 1984, Stratigraphy, structure, and metamorphism in the east half of the Wayah Bald quadrangle, North Carolina: ...
  • South Carolina
    • Laurens Co.
  • Tennessee
  • Virginia
Minerals of Virginia, 1990 by R. V. Dietrich
    • Henry Co.
Minerals of Virginia, 1990 by R. V. Dietrich
    • Warren Co.
Minerals of Virginia, 1990 by R. V. Dietrich
Mineral and/or Locality  
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