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Falkmanite

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Formula:
Pb3Sb2S6
Previously given as Pb5.4Sb3.6S11.
Lustre:
Metallic
Hardness:
2 - 3
Crystal System:
Monoclinic
A minerals closely related to boulangerite, or possibly only a lead-rich variety of the latter.
Although the IMA currently considers falkmanite as a grandfathered species, an IMA Commission report (Moëlo et al., 2008) is undecided on the status and concludes that "A solution of the crystal structure of falkmanite is necessary for its definite classification."

Originally described from Bayerland Mine, Pfaffenreuth, Waldsassen, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany.



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Classification of FalkmaniteHide

Approved, 'Grandfathered' (first described prior to 1959)
2.HC.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
C : With only Pb
3.5.2.2

3 : SULFOSALTS
5 : 2.5 < ø < 3

Physical Properties of FalkmaniteHide

Metallic
Transparency:
Opaque
Hardness:
2 - 3 on Mohs scale

Chemical Properties of FalkmaniteHide

Formula:
Pb3Sb2S6

Previously given as Pb5.4Sb3.6S11.

Crystallography of FalkmaniteHide

Crystal System:
Monoclinic

Type Occurrence of FalkmaniteHide

Other Language Names for FalkmaniteHide

German:Falkmanit
Simplified Chinese:针硫锑铅矿
Spanish:Falkmanita

Related Minerals - Nickel-Strunz GroupingHide

2.HC.05bArgentobaumhaueriteAg1.5Pb22As33.5S72Tric. 1 : P1
2.HC.05bBaumhaueritePb12As16S36Tric. 1 : P1
2.HC.05eChabournéiteTl4Pb2(Sb,As)20S34Tric. 1 : P1
2.HC.05dDufrénoysitePb2As2S5Mon. 2 : P21
2.HC.05aGuettarditePbAsSbS4Mon. 2/m : P21/b
2.HC.05cLiveingitePb9As13S28Mon.
2.HC.05fParapierrotiteTlSb5S8Mon. m
2.HC.05fPierrotiteTl2(Sb,As)10S16Orth. mm2 : Pna21
2.HC.05dRathiteAg2Pb12-xTlx/2As18+x/2S40Mon. 2/m : P21/b
2.HC.05aSartoritePbAs2S4Mon. 2/m : P21/m
2.HC.05aTwinnite Pb0.8Tl0.1Sb1.3As0.8S4Mon. 2/m
2.HC.05dVeenitePb2(Sb,As)2S5Mon. 2 : P21
2.HC.05gMarumoitePb32As40S92Mon. 2 : P21
2.HC.05eDalnegroite(Tl4Pb2)(As12Sb8)S34Tric. 1 : P1
2.HC.10aFülöppitePb3Sb8S15Mon. 2/m : B2/b
2.HC.10cHeteromorphitePb7Sb8S19Mon. 2/m : B2/b
2.HC.10bPlagionitePb5Sb8S17Mon. 2/m
2.HC.10dRayitePb8(Ag,Tl)2Sb8S21Mon.
2.HC.10dSemseyitePb9Sb8S21Mon. 2/m : B2/b
2.HC.15BoulangeritePb5Sb4S11Mon. 2/m : P21/b
2.HC.20RobinsonitePb4Sb6S13Mon. 2/m : P21/m
2.HC.25MoëloitePb6Sb6S14(S3)Orth. 2 2 2 : P21 21 2
2.HC.30DadsonitePb23Sb25S60ClTric. 1 : P1
2.HC.35OwyheeiteAg3+xPb10-2xSb11+xS28, -0.13 < x > +0.20Mon. 2/m : P21/b
2.HC.35ZoubekiteAgPb4Sb4S10Orth.
2.HC.40ParasterryiteAg4Pb20Sb14As10S58Mon. 2/m : P21/b

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

3.5.2.1BoulangeritePb5Sb4S11Mon. 2/m : P21/b

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 FalkmaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hiller, J. E. (1955): Falkmanite and its distinction from boulangerite. Neues Jahrbuch für Mineralogie, Monatshefte 1955, 1-10.
Mozgova, N. N.; Bortnikov, N. S.; Tsepin, A. I.; Borodaev, Yu. S.; Vrublevskaya, S. V.; Vyal'sov, L. N.; Kuz'mina, O. V.; Sivtsov, A. V. (1983): Falkmanite, Pb5.4Sb3.6S11, new data and relationship with sulfantimonites of lead (re-examination of type material from Bayerland Mine, Bavaria). Neues Jahrbuch für Mineralogie, Abhandlungen 147, 80-98.
McQueen, Kenneth G. (1987): A second occurrence of falkmanite: Pinnacles Mine, Broken Hill, New South Wales. Canadian Mineralogist 25, 15-19.
Neues Jahrbuch für Mineralogie, Monatshefte (1989): 498-512.
Pruseth, K. L.; Mishra, B.; Bernhardt, H. J. (1997): Phase relations in the Cu2S-PbS-Sb2S3 system: an experimental appraisal and application to natural polymetallic sulfide ores. Economic Geology 92, 720-732.
Pruseth, Kamal L.; Mishra, Biswajit; Bernhardt, Heinz -J. (2001): The minerals boulangerite, falkmanite and Cu-free meneghinite: synthesis, new powder diffraction data and stability relations. European Journal of Mineralogy 13, 411-419.
Moëlo, Y., Makovicky, E., Mozgova, N.N., Jambor, J.L., Cook, N., Pring, A., Paar, W., Nickel, E.H., Graeser, S., Karup-Møller, S.; Balić-Žunić, T.; Mumme, W.G., Vurro, F., Topa, D., Bindi, L., Bente, K., Shimizu, M. (2008): Sulfosalt systematics: a review. Report of the sulfosalt sub-committee of the IMA Commission on Ore Mineralogy. European Journal of Mineralogy, 20, 7-46.

Internet Links for FalkmaniteHide

Localities for FalkmaniteHide

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
    • Yancowinna Co.
      • Broken Hill district
McQueen, Kenneth G. (1987): A second occurrence of falkmanite: Pinnacles Mine, Broken Hill, New South Wales. Canadian Mineralogist 25, 15-19; Econ Geol (1994) 89: 778-790; McQueen, K. G. (1987). A Second Occurrence of Falkmanite: Pinnacles Mine, Broken Hill. New South Wales. The Canadian Mineralogist, 25(1), 15-19.
  • Northern Territory
    • Coomalie Shire
      • Batchelor
Fleminig, MJ etal; the Geology of the Woodcutters lead-zinc-silver mine, 1994 AusIMM Annual COnference, The AUstraluan Institute of Mining and Metallurgy;; Fleming, MJ etal; the Geology of the Woodcutters lead-zinc-silver mine, 1994 AusIMM Annual Conference, The Australian Institute of Mining and Metallurgy; USGS Woodcutters deposit in Northern Territory, Australia
Bolivia
 
  • Potosí Department
    • Antonio Quijarro Province
      • Agua de Castilla
        • Porco
Kempff, O., Paar, W.H., Tawackoli, S.: "Minerales de Bolivia", 115pp (La Paz, 2009)
China
 
  • Inner Mongolia Autonomous Region
    • Ulanhad League (Chifeng Prefecture)
      • Hexigten Banner (Keshiketeng Co.)
Jiajun Liu, Yongliang Xing, Jianping Wang, Degao Zhai, Meijuan Yao, Shenghua Wu, and Chao Fu (2010): Journal of Jilin University, Earth Science Edition 55(3), 565-572; Xiangdong Wang, Xinbiao Lü, Wei Mei, Rankun Tang, and Chuncheng Li (2014): Mineral Deposits 33(2), 406-418
      • Linxi Co.
Xilong Wang, Jiajun Liu, Degao Zhai, Yongqiang Yang, Jianping Wang, Qibin Zhang, Anli Zhang, Yanlin Li, Xiaoliang Wang, and Zenghai Yang (2014): Geoscience 28(1), 73-86
Germany
 
  • Bavaria
    • Franconia
      • Fichtelgebirge
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990; Knauer, E. and Richter, P. (1968): Ore minerals in the gold quartz veins near Brandholz, in the Fichtelgebirge. Neues Jahrbuch für Mineralogie, Monatshefte 1968, 463-471 (in German).
    • Upper Palatinate
      • Leonberg
        • Pfaffenreuth
[Clark, 1993 - "Hey's Mineral Index"]
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Plaka
          • Plaka Mines
Voudouris, P., Melfos, V., Spry, P. G., Bonsall, T., Tarkian, M. & Economou-Eliopoulos, M. (2008): Mineralogical and fluid inclusion constraints on the evolution of the Plaka intrusion-related ore system, Lavrion, Greece. Mineralogy and Petrology 93, 79-110
Kosovo
 
  • District of Kosovska Mitrovica
    • Kosovska Mitrovica
      • Trepča valley
        • Trepča complex
Féraud J. (1979) - La mine " Stari-Trg " (Trepca, Yougoslavie) et ses richesses minéralogiques. Avec la collaboration de Mari D. et G. (1979) Minéraux et Fossiles, n° 59-60, p. 19-28
Republic of Macedonia
 
  • Kavadarci
    • Rožden (Rozhden; Roszdan)
Janković, S.R. (1993): Metallogenic features of the Alšar epithermal Sb-As-Tl-Au deposit (The Serbo-Macedonian metallogenic province). Neues Jahrbuch für Mineralogie, Abhandlungen 166, 25-41.
Russia
 
  • Northern Region
    • Karelia Republic
      • Ladoga Region
        • Alattu-Pakula-Janis ore field
Ivashchenko, V. I., & Lavrov, О. В. (2006) Ore Deposits and Occurrences in the North Ladoga Region, Southwest Karelia. in Ore Deposits And Occurrences In The North Ladoga Region, Southwest Karelia Field Trip Guidebook. Understanding the genesis of ore deposits to meet the demands of the 21st century 12th Quadrennial IAGOD Symposium 2006. Moscow. P.41-64.
Serbia
 
  • Belgrade
    • Mt Avala
Cissarz, A. & Rakic, S. (1957): The lead and zinc deposit of Crveni Breg at Avalaberg near Belgrade. Neues Jahrbuch für Mineralogie, Abhandlungen 90, 91-111.
  • Podrinje District
Slobodan A. Radosavljević, Jovica N. Stojanović, Ana S. Radosavljević-Mihajlović, Vladan D. Kašić (2013): Polymetallic mineralization of the Boranja orefield, Podrinje Metallogenic District, Serbia: zonality, mineral associations and genetic features. Periodico di Mineralogia, 82, 61-87.
Slovakia
 
  • Banská Bystrica Region
    • Rimavská Sobota Co.
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
  • Prešov Region
    • Prešov Co.
Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p
Sweden
 
  • Västerbotten
    • Skellefteå
      • Boliden
        • Skellefteå Mine
Robinson, S.C. (1948): The Identity of falkmanite and yenerite with boulangerite. American Mineralogist 33: 716-723
Mineral and/or Locality  
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