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Bismutohauchecornite

A valid IMA mineral species
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06564480017360841242466.jpg
Bismutohauchecornite

B 50 construction site, Longkamp, Bernkastel-Kues, Bernkastel-Wittlich, Rhineland-Palatinate, Germany
06564480017360841242466.jpg
Bismutohauchecornite

B 50 construction site, Longkamp, Bernkastel-Kues, Bernkastel-Wittlich, Rhineland-Palatinate, Germany
06564480017360841242466.jpg
Bismutohauchecornite

B 50 construction site, Longkamp, Bernkastel-Kues, Bernkastel-Wittlich, Rhineland-Palatinate, Germany
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About BismutohauchecorniteHide

Formula:
Ni9Bi2S8
Colour:
Bronze-yellow
Hardness:
4½ - 5½
Specific Gravity:
6.25 (Calculated)
Crystal System:
Tetragonal
Name:
For bismuth and relation to hauchecornite. Before the formal description, a few studies referred to the species as simply hauchecornite.
Hauchecornite Group.
See also the chemically related parkerite.


Unique IdentifiersHide

Mindat ID:
658
Long-form identifier:
mindat:1:1:658:7

IMA Classification of BismutohauchecorniteHide

Classification of BismutohauchecorniteHide

Strunz-mindat (2026):
2.BB.10

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
B : With Ni
Dana 8th ed.:
3.2.5.2

3 : SULFOSALTS
2 : ø = 4
Hey's CIM Ref.:
5.8.13

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
8 : Sulpharsenites etc. of Mn, Fe, Co and Ni

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
BhauIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of BismutohauchecorniteHide

Transparency:
Opaque
Colour:
Bronze-yellow
Hardness:
4½ - 5½ on Mohs scale
Hardness:
VHN10=360 - 392 kg/mm2 - Vickers
Comment:
Source of 5.5 figure unknown, and unlikely to correspond to VHN data.
Density:
6.25 g/cm3 (Calculated)

Optical Data of BismutohauchecorniteHide

Anisotropism:
Weak
Bireflectance:
Very weak
Reflectivity:
WavelengthR1 (%)
440nm37.8%
480nm41.7%
520nm44.8%
560nm47.0%
600nm48.8%
640nm49.6%
680nm50.5%
720nm51.2%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 51.2%.
Pleochroism:
Visible

Chemistry of BismutohauchecorniteHide

Mindat Formula:
Ni9Bi2S8
Element Weights:
Element% weight
Ni43.920 %
Bi34.751 %
S21.328 %

Calculated from ideal end-member formula.
Elements listed:
Bi, Ni, S - search for minerals with similar chemistry
Common Impurities:
Fe,Co,Pb,As

Crystallography of BismutohauchecorniteHide

Crystal System:
Tetragonal
Class (H-M):
4/mmm(4/m2/m2/m) - Ditetragonal Dipyramidal
Space Group:
P4/mmm
Setting:
P4/mmm
Cell Parameters:
a = 7.37 Å, c = 5.88 Å
Ratio:
a:c = 1 : 0.798
Unit Cell V:
319.38 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Elongated tabular crystals, grains, massive.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.34 Å(60)
3.67 Å(50)
2.80 Å(100)
2.40 Å(60)
2.32 Å(60)
1.867 Å(80)
1.808 Å(40)
Comments:
Oktyabr mine, Russia.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])
Geological Setting:
Hydrothermal veins.

Type Occurrence of BismutohauchecorniteHide

Synonyms of BismutohauchecorniteHide

Other Language Names for BismutohauchecorniteHide

Relationship of Bismutohauchecornite to other SpeciesHide

Member of:
Hauchecornite Group
Other Members of Hauchecornite Group:
ArsenohauchecorniteNi18Bi3AsS16Tet.
ArsenotučekiteNi18Sb3AsS16Tet. 4mm : I4mm
HauchecorniteNi9BiSbS8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
HrabákiteNi9PbSbS8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
TellurohauchecorniteNi9Bi(Te,Bi)S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
TučekiteNi9Sb2S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm

Related Minerals - Strunz-mindat GroupingHide

2.BB.ArsenotučekiteNi18Sb3AsS16Tet. 4mm : I4mm
2.BB.HrabákiteNi9PbSbS8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.'UM2007-27-S:CuFeIrNiRh'(Ni,Fe,Cu,Rh,Ir)11S9
2.BB.HoromaniteFe6Ni3S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.SamaniiteCu2Fe5Ni2S8Tet. 4/mmm(4/m2/m2/m) : P42/mnm
2.BB.05HeazlewooditeNi3S2Trig. 32 : R32
2.BB.05'UM2007-30-S:Fe'Fe3S2
2.BB.05Vozhminite(Ni,Co)4(As,Sb)S2Hex.
2.BB.05OregoniteNi2FeAs2Hex.
2.BB.10HauchecorniteNi9BiSbS8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.10ArsenohauchecorniteNi18Bi3AsS16Tet.
2.BB.10TellurohauchecorniteNi9Bi(Te,Bi)S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.10JinxiuiteNi18Bi2SbAsS16Tet. 4/mmm(4/m2/m2/m) : I4/mmm
2.BB.10TučekiteNi9Sb2S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.15ArgentopentlanditeAg(Fe,Ni)8S8Iso. m3m(4/m32/m) : Fm3m
2.BB.15Shadlunite(Pb,Cd)(Fe,Cu)8S8Iso. m3m(4/m32/m) : Fm3m
2.BB.15Ferhodsite(Fe,Rh,Ni,Ir,Cu,Pt)9S8Tet.
2.BB.15CobaltpentlanditeCo9S8Iso. m3m(4/m32/m) : Fm3m
2.BB.15'UM2002-26-S:FeNi'(Ni,Fe)9S8Hex.
2.BB.15Pentlandite(NixFey)Σ9S8Iso. m3m(4/m32/m) : Fm3m
2.BB.15OberthüriteRh3Ni32S32Iso.
2.BB.15Geffroyite(Cu,Fe,Ag)9(Se,S)8Iso. m3m(4/m32/m) : Fm3m
2.BB.15Kharaelakhite(Cu,Pt,Pb,Fe,Ni)9S8Orth. mmm(2/m2/m2/m) : Pmmm
2.BB.15'Manganoshadlunite'(Mn,Pb,Cd)(Cu,Fe)8S8
2.BB.15SugakiiteCu(Fe,Ni)8S8Tet. 4/mmm(4/m2/m2/m) : P42/mnm
2.BB.15Godlevskite(Ni,Fe)9S8Orth. 222 : C222
2.BB.15WangyanitePdNi8S8Iso. m3m(4/m32/m) : Fd3c

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.

Internet Links for BismutohauchecorniteHide

References for BismutohauchecorniteHide

Localities for BismutohauchecorniteHide

Showing 10 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Austria
 
  • Styria
    • Bruck-Mürzzuschlag District
      • Pernegg an der Mur
        • Kirchdorf
Kolitsch et al. (2010)
Canada
 
  • Northwest Territories
    • Great Slave Lake
      • Easter Island Dike
Graham et al. (2026)
  • Saskatchewan
    • Athabasca Basin
Watkinson et al. (1975)
China
 
  • Henan
    • Nanyang
      • Tongbai County
Anthony et al. (1997)
Germany
 
  • Rhineland-Palatinate
    • Bernkastel-Wittlich
      • Bernkastel-Kues
        • Longkamp
https://www.mineralienatlas.de/?l=56202 +1 other reference
Japan
 
  • Okayama Prefecture
    • Ibara City
      • Higashi-Mihara
Soeda et al. (1975) +1 other reference
  • Shimane Prefecture
    • Masuda City
Handbook of Mineralogy. +1 other reference
Russia (TL)
 
  • Krasnoyarsk Krai
    • Taymyrskiy Autonomous Okrug
      • Taimyr Peninsula
        • Norilsk-Talnakh Mining Region
          • Talnakh Cu-Ni Deposit
Kovalenker et al. (1978) +1 other reference
  • Murmansk Oblast
    • Pechengsky District
Anatoly Kasatkin analytical data
  • Sverdlovsk Oblast
    • Malyshevo
Koroteev et al. (2017) +1 other reference
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