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Montanite

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About MontaniteHide

05871400015157190833907.jpg
Flag of Montana, USA
Formula:
Bi2(TeO6) · 2H2O
Colour:
Yellowish, greenish to white
Lustre:
Waxy, Dull
Specific Gravity:
3.7
Name:
From the locality where it was found in the state of Montana, USA.
An alteration product of Tetradymite.


Classification of MontaniteHide

Approved, 'Grandfathered' (first described prior to 1959), Questionable
7.CD.60

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
D : With only large cations
Dana 7th ed.:
33.2.2.1
33.2.2.1

33 : SELENATES AND TELLURATES
2 : (AB)m(XO6)·xH2O, where x can equal zero
28.4.14

28 : Selenites, Selenates, Tellurites, and Tellurates
4 : Tellurates

Physical Properties of MontaniteHide

Waxy, Dull
Transparency:
Opaque
Colour:
Yellowish, greenish to white
Comment:
Soft
Density:
3.7(1) g/cm3 (Measured)    

Optical Data of MontaniteHide

Type:
Biaxial (-)
RI values:
nα = 2.090 nβ = 2.090
Max Birefringence:
δ = 2.090
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r < v extreme

Chemical Properties of MontaniteHide

Formula:
Bi2(TeO6) · 2H2O
IMA Formula:
Bi3+2Te6+O6 · 2H2O

Crystallography of MontaniteHide

Morphology:
Earthy to compact.

Geological EnvironmentHide

Paragenetic Mode(s):
•  Oxidation

Type Occurrence of MontaniteHide

Other Language Names for MontaniteHide

German:Montanit
Simplified Chinese:碲铋华
Spanish:Montanita
Traditional Chinese:碲鉍華

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Montanite associated with TetradymiteBi2Te2S
1 photo of Montanite associated with GoldAu

Related Minerals - Nickel-Strunz GroupingHide

7.CD.Argesite(NH4)7Bi3Cl16Trig. 3m (3 2/m) : R3c
7.CD.Campostriniite(Bi3+,Na)3(NH4,K)2Na2(SO4)6·H2OMon. 2/m : B2/b
7.CD.05MatteucciteNaHSO4 · H2OMon.
7.CD.10MirabiliteNa2SO4 · 10H2OMon. 2/m
7.CD.15Lecontite(NH4,K)NaSO4 · 2H2OOrth. 2 2 2 : P21 21 21
7.CD.20HydroglauberiteNa10Ca3(SO4)8 · 6H2OMon.
7.CD.25EugsteriteNa4Ca(SO4)3 · 2H2OMon.
7.CD.30GörgeyiteK2Ca5(SO4)6 · H2OMon.
7.CD.35Koktaite(NH4)2Ca(SO4)2 · H2OMon.
7.CD.35SyngeniteK2Ca(SO4)2 · H2OMon. 2/m : P21/m
7.CD.40GypsumCaSO4 · 2H2OMon. 2/m
7.CD.45BassaniteCa(SO4) · 0.5H2OMon. 2 : B2
7.CD.50Zircosulfate(Zr,Ti)(SO4)2 · 4H2OOrth.
7.CD.55SchieffelinitePb10Te6+6O20(OH)14(SO4)(H2O)5Orth. mmm (2/m 2/m 2/m) : Cmcm
7.CD.65OmongwaiteNa2Ca5(SO4)6 · 3H2OMon. 2 : B2

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

28.4.1XocomecatliteCu3(TeO4)(OH)4Orth.
28.4.2CarlfriesiteCaTe4+2Te6+O8Mon. 2/m : B2/b
28.4.3YafsoaniteCa3Te6+2(ZnO4)3Iso. m3 (2/m 3)
28.4.4TlalociteCu10Zn6(Te6+O4)2(Te4+O3)(OH)25Cl · 27H2OOrth.
28.4.5OboyeriteTric.
28.4.6SchieffelinitePb10Te6+6O20(OH)14(SO4)(H2O)5Orth. mmm (2/m 2/m 2/m) : Cmcm
28.4.7GirditeH2Pb3(Te4+O3)(Te6+O6)Mon. m
28.4.8KhinitePb2+Cu2+3[Te6+O6](OH)2Orth. mm2 : Fdd2
28.4.9Khinite-3TPb2+Cu2+3Te6+O6(OH)2Trig. 3 : P32
28.4.10DugganitePb3Zn3(AsO4)2(TeO6)Trig. 3 2 : P3 2 1
28.4.11KuksitePb3Zn3(PO4)2(TeO6)Trig. 3 2 : P3 2 1
28.4.12CheremnykhitePb3Zn3(VO4)2(TeO6)Orth.
28.4.13Tlapallite(Ca,Pb)3CaCu6[Te4+3Te6+O12]2(Te4+O3)2(SO4)2·3H2OTrig. 3 2 : P3 2 1
28.4.15KuranakhitePbMn4+Te6+O6Orth.
28.4.16CuzticiteFe3+2(TeO6) · 3H2OHex.
28.4.17YecoraiteFe3+3Bi5(Te6+O4)2(Te4+O3)O9 · 9H2O

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 MontaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Genth F A (1868) Contributions to mineralogy - No. VII. American Journal of Science and Arts 95, 305-321
Mingaye (1888) Australasian Association for the Advancement of Science: 1: 116.
Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 112.
Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume II: 636-637.
Kazachenko, V. T., Fat'yanov, I. I., Chubanov, V. M. (1980): Discovery of a lead-​containing variety of montanite. Doklady Akademii Nauk SSSR 255: 968-971 (in Russian).

Internet Links for MontaniteHide

Localities for MontaniteHide

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
 
  • New South Wales
    • Murray Co.
      • Jingera
Palache, C., Berman, H., Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 637.
      • Lake George
        • Captain's Flat
Gilligan, L.B. (1975) Part 1. Mine Data Sheets to accompany Metallogenic Map, Canberra 1:250 000 Sheet. Geological Survey of New South Wales, Department of Mines, 297 pages.
Palache, C., Berman, H., & Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 637.
  • Western Australia
    • Kalgoorlie-Boulder Shire
      • Kalgoorlie-Boulder
        • Golden Mile Mines
Simpson, E.S. (1948), Minerals of Western Australia, Vol 2, pp 231, 1948
Austria
 
  • Carinthia
    • Spittal an der Drau District
      • Mallnitz
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
      • Weißensee
Feitzinger, G. (1992) Gold-Silber-Vererzungen und historischer Bergbau im Zirknitz- und Wurtental (Sonnblickgruppe, Hohe Tauern, Kärnten). Lapis, 17 (5), 13-30.
          • Alteck
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
  • Styria
    • Leoben District
      • Kammern im Liesingtal
        • Seiz
          • Wolfsgruben (Wolfgruben)
Auer, C. (2019): Die Mineralien der Wolfsgrube bei Seiz im Liesingtal. Der Steirische Mineralog, 34, 5-11.
Belgium
 
  • Wallonia
    • Luxembourg
      • Vielsalm
        • Cahai (Cahay)
BLONDIEAU M., PUCCIO S., COMPERE P., HATERT F. (2017) - Données nouvelles sur quelques espèces minérales de Vielsalm et de Salmchâteau. Bulletin de la Société Royale des Sciences de Liège, Vol. 86, p. 1 - 48
China
 
  • Jiangxi
    • Ganzhou
      • Anyuan Co.
Yingchen Ren, Minqing Cheng, and Cunchang Wang (1986): Mineral Deposits 5(2), 63-74
Hungary
 
  • Heves County
    • Gyöngyössolymos
Szakáll-Gatter-Szendrei:Hungarian Mineral Species,2005
Poland
 
  • Lower Silesian Voivodeship
    • Kamienna Góra County
      • Gmina Kamienna Góra
        • Rędziny
Gołębiowska, B., Pieczka, A., Parafiniuk, J. (2011): New data on weathering of bismuth sulfotellurides at Rędziny, Lower Silesia, Southwestern Poland. Mineralogia Special Papers: 38: 95-96
Russia
 
  • Chukotka Autonomous Okrug
    • Okhotsk-Chukotka belt
Sidorov, V. A., Volkov, A. V., Wolfson, A. A., & Sidorov, A. A. (2007, November). Au-Bi-Te mineralization of the Kontaktovyi stock in Northeast Russia. In Doklady Earth Sciences (Vol. 417, No. 1, pp. 1164-1168). Nauka/Interperiodica.
Slovakia
 
  • Banská Bystrica Region
    • Poltár District
      • Kokava nad Rimavicou
Ferenc Š, Bakoš F.,2006: Au-Bi-Te mineralizácia v sineckej astrižnej zóne (Kokava nad Rimavicou) – nový typ mineralizácie v Západných Karpatoch. Min.Slovaca, 38, 223-240
    • Rimavská Sobota District
Bakoš F., Ferenc Š., Hraško Ľ.,2006: Nový výskyt hydrotermálnej Au-Bi-Te mineralizácie v oblasti Krokavy (Slovenské Rudohorie, veporikum). Min.Slovaca, 38, 241-252
    • Žarnovica District
Sejkora J., Litochleb J., Černý P., Ozdín D., 2006: Bi-Te minerálna asociácia zo Župkova (Vtáčnik, Slovenská republika). Mineralia Slovaca, 36, 3-4, 303-315.
Sejkora J., Litochleb J., Černý P., Ozdín D. (2004) Bi-Te minerálna asociácia zo Župkova (Vtáčnik, Slovenská republika). Miner. Slovaca, 36, 3-4, 303-315.
Tajikistan
 
  • Sughd
    • Zeravshan Range
      • Pendzhikent (Penjikent; Panjakent)
        • Chinorsai intrusion
Novgorodova, M.I., Generalov, M.Ye., Gorshkov, A.I., Sivtsov, A.V., Uspenskiy, Ye.I (1991) Association of native gold with bismuthyl carbonates and tellurates. Izvestiya Akad. Nauk SSSR, Ser. Geol.: 4: 102-108 (in Russian); in: Jambor, J.L., Grew, E.S. (1993): New mineral Names. :merican Mineralogist: 78: 234
USA
 
  • Arizona
    • Cochise County
Grant, Raymond W., Bideaux, R.A., and Williams, S.A. (2006) Minerals Added to the Arizona List 1995-2005: 6.
  • Colorado
    • Boulder Co.
      • Gold Hill Mining District
Minerals of Colorado (1997) E.B. Eckel
  • Montana
    • Butte-Silver Bow (Butte; Silver Bow Co.)
American Journal of Science (1868): 95: 318; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 637.; USGS Bull 574
Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
  • Nevada
    • Lander Co.
NBMG Spec. Pub. 31 Minerals of Nevada
      • Lewis Mining District
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Mexico
    • Doña Ana Co.
      • Organ Mountains
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 637; Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996).
          • Memphis Mine (Roos shaft; Ross shaft [?])
Minerals of New Mexico 3rd ed.; American Mineralogist (1937) 22: 1065-1069.
  • North Carolina
    • Burke Co.
      • Brindletown
Rocks & Min.:60:86.
    • Davidson Co.
Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 1076.; Genth F A (1868) Contributions to mineralogy - No. VII, The American Journal of Science and Arts, 95, 305-321
Genth,F.A and Kerr,W.C,1881,Minerals and Mineral Localities of North Carolina,Geologic Survey
Genth,F.A and Kerr,W.C,1881,Minerals and Mineral Localities of North Carolina,Geologic Survey
 
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