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Ullmannite

A valid IMA mineral species - grandfathered
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About UllmanniteHide

Formula:
NiSbS
Colour:
Tin-white, steel grey
Lustre:
Metallic
Hardness:
5 - 5½
Specific Gravity:
6.65
Crystal System:
Isometric
Member of:
Name:
Named after Johann Christoph Ullmann (3 September 1771, Kassel - 6 August 1821, Marburg), German mineralogist and chemist. He studied at the Freiberg Mining Academy in Saxony in 1790 and received his doctorate in Marburg in 1792. From 1793 to 1797 he was an associate professor of philosophy and finance at the University of Marburg and finally became a full professor of political science and mining and metallurgy as well as a member of the State Economics Institute.

He was the first professor of this subject in Marburg who was trained in the Freiberg Mining Academy under Abraham Gottlob Werner.

From 1795, Johann Christoph Ullmann took over the care of the “Hessian Mineral Cabinet” at the Princely Hessian University of Marburg (today the Mineralogical Museum of the Philipps University of Marburg), which was set up in 1790 by Johann Gottlieb Waldin (1728–1795). He died as Oberbergrat in Marburg.

Unique IdentifiersHide

Mindat ID:
4086
Long-form identifier:
mindat:1:1:4086:6

Similar NamesHide

IlmeniteA valid IMA mineral species - grandfatheredFe2+TiO3
Ilmenite (of Brooke)A synonym of 'Columbite'

IMA Classification of UllmanniteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Ni3+(SbS)3-

Classification of UllmanniteHide

2.EB.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.
2.12.3.3

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.11.38

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
11 : Sulphides etc. of 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
UllIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of UllmanniteHide

Metallic
Transparency:
Opaque
Colour:
Tin-white, steel grey
Streak:
Black, grayish black
Hardness:
5 - 5½ on Mohs scale
Hardness:
VHN100=592 - 627 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {001}
Fracture:
Irregular/Uneven
Density:
6.65 g/cm3 (Measured)    6.793 g/cm3 (Calculated)

Optical Data of UllmanniteHide

Type:
Isotropic
Anisotropism:
Occasionally weakly anisotropic
Reflectivity:
WavelengthR1 (%)
400nm52.0%
420nm51.0%
440nm50.0%
460nm49.0%
480nm48.2%
500nm47.4%
520nm46.7%
540nm46.1%
560nm45.7%
580nm45.5%
600nm45.5%
620nm45.6%
640nm46.0%
660nm46.4%
680nm47.0%
700nm47.6%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 52.0%.
Colour in reflected light:
White

Chemistry of UllmanniteHide

Mindat Formula:
NiSbS
Element Weights:
Element% weight
Sb57.294 %
Ni27.618 %
S15.088 %

Calculated from ideal end-member formula.
Sb
Ni
S
Common Impurities:
Fe,Co,As,Bi

Crystallography of UllmanniteHide

Crystal System:
Isometric
Class (H-M):
23 - Tetartoidal
Space Group:
P213
Cell Parameters:
a = 5.91(2) Å
Unit Cell V:
206.43 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Cubes
Comment:
Arsenian ullmannite has space group P1.

Crystallographic forms of UllmanniteHide

Crystal Atlas:
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Ullmannite - Multiple twin on [110], contact plane {001}
3d models and HTML5 code kindly provided by www.smorf.nl.

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Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0014009UllmanniteFoecker A J, Jeitschko W (2001) The atomic order of the pnictogen and chalcogen atoms in equiatomic ternary Journal of Solid State Chemistry 162 69-782001synthetic0293
0000774UllmannitePratt J L, Bayliss P (1980) Crystal structure refinement of a cobaltian ullmannite American Mineralogist 65 154-15619800293
0000577UllmanniteBayliss P (1977) Crystal structure refinement of arsenian ullmannite American Mineralogist 62 369-37319770293
0000576UllmanniteBayliss P (1977) Crystal structure refinement of arsenian ullmannite approximate cubic structure American Mineralogist 62 369-37319770293
0018100UllmannitePeacock M, Berry L (1940) Roentgenographic observations on ore minerals _cod_database_code 1011234 University of Toronto Studies, Geological Series 44 47-6919400293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Loading XRD data...
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
2.64 Å(100)
1.774 Å(70)
2.40 Å(60)
1.573 Å(50)
1.092 Å(50)
0.810 Å(50)
0.802 Å(50)

Geological EnvironmentHide

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

Type Occurrence of UllmanniteHide

Synonyms of UllmanniteHide

Other Language Names for UllmanniteHide

Relationship of Ullmannite to other SpeciesHide

Member of:
Other Members of Cobaltite Group:
AndrieslombaarditeRhSbSIso. 23 : P213
ChangchengiteIrBiSIso. 23 : P213
CobaltiteCoAsSOrth. mm2 : Pca21
GersdorffiteNiAsSIso. 23 : P213
GuixiangiteNiBiSIso. 23 : P213
Hollingworthite(Rh,Pt,Pd)AsSIso. m3(2/m3) : Pa3
Irarsite(Ir,Ru,Rh,Pt)AsSIso. m3(2/m3) : Pa3
JolliffeiteNiAsSeIso. m3(2/m3) : Pa3
KalungaitePdAsSeIso. m3(2/m3) : Pa3
MaslovitePtBiTeIso. 23 : P213
MayingiteIrBiTeIso. m3(2/m3) : Pa3
MicheneritePdBiTeIso. 23 : P213
MilotaitePdSbSeIso. 23 : P213
PadmaitePdBiSeIso. 432
'Platarsite'Pt(As,S)2Iso. m3(2/m3) : Pa3
SulfopadmaitePdBiSIso. 23 : P213
TestibiopalladitePdSbTeIso.
TolovkiteIrSbSIso.
'UM1991-19-Se:AsCo'(Co,Ni)AsSeIso. m3(2/m3) : Pm3
WillyamiteCoSbS
Forms a series with:

Common AssociatesHide

Associations Based on Photo Data:
42 photos of Ullmannite associated with CalciteCaCO3
35 photos of Ullmannite associated with BreithauptiteNiSb
23 photos of Ullmannite associated with QuartzSiO2
20 photos of Ullmannite associated with GalenaPbS
20 photos of Ullmannite associated with BottinoiteNi2+Sb5+2(OH)12 · 6H2O
19 photos of Ullmannite associated with ChalcopyriteCuFeS2
18 photos of Ullmannite associated with DolomiteCaMg(CO3)2
14 photos of Ullmannite associated with GersdorffiteNiAsS
7 photos of Ullmannite associated with Tetrahedrite SubgroupCu6(Cu4C2+2)Sb4S12S
7 photos of Ullmannite associated with SideriteFeCO3

Related Minerals - Strunz-mindat GroupingHide

2.EB.SelenolauriteRuSe2Iso. m3(2/m3) : Pa3
2.EB.AndrieslombaarditeRhSbSIso. 23 : P213
2.EB.Iridarsenite(Ir,Ru)As2Mon. 2/m : P21/c
2.EB.Kanatzidisite(SbBiS3)2Te2Mon. 2/m : P21/m
2.EB.05aVaesiteNiS2Iso. m3(2/m3) : Pa3
2.EB.05aHaueriteMnS2Iso. m3(2/m3) : Pa3
2.EB.05aLauriteRuS2Iso. m3(2/m3) : Pa3
2.EB.05aGaotaiiteIr3Te8Iso. m3(2/m3) : Pa3
2.EB.05aPenroseite(Ni,Co,Cu)Se2Iso. m3(2/m3) : Pa3
2.EB.05aFukuchiliteCu3FeS8Iso. m3(2/m3) : Pa3
2.EB.05aVillamanínite(Cu,Ni,Co,Fe)S2Tric.
2.EB.05aErlichmaniteOsS2Iso. m3(2/m3) : Pa3
2.EB.05aSperrylitePtAs2Iso. m3(2/m3) : Pa3
2.EB.05aGeversitePtSb2Iso. m3(2/m3) : Pa3
2.EB.05aCattieriteCoS2Iso. m3(2/m3) : Pa3
2.EB.05aAurostibiteAuSb2Iso. m3(2/m3) : Pa3
2.EB.05aTrogtaliteCoSe2Iso. m3(2/m3) : Pa3
2.EB.05a v'Cayeuxite'
2.EB.05aKruťaiteCuSe2Iso. m3(2/m3) : Pa3
2.EB.05aPyriteFeS2Iso. m3(2/m3) : Pa3
2.EB.05aInsizwaitePtBi2Iso. m3(2/m3) : Pa3
2.EB.05bBambollaiteCu(Se,Te)2Tet.
2.EB.05aDzharkeniteFeSe2Iso. m3(2/m3) : Pa3
2.EB.10aMarcasiteFeS2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10eParacostibiteCoSbSOrth. mmm(2/m2/m2/m) : Pbca
2.EB.10fOeniteCoSbAsOrth.
2.EB.10ePararammelsbergiteNiAs2Orth. mmm(2/m2/m2/m) : Pbca
2.EB.10aMattagamiteCoTe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10aFrohbergiteFeTe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10dCostibiteCoSbSOrth. mm2 : Pmn21
2.EB.10bAlloclasiteCo1-xFexAsSMon. 2 : P21
2.EB.10cGlaucodot(Co0.50Fe0.50)AsSOrth. mm2 : Pmn21
2.EB.10aPetříčekiteCuSe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10aKulleruditeNiSe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10aFerroseliteFeSe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15bSeinäjokiteFeSb2Orth.
2.EB.15aRammelsbergiteNiAs2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aClinosaffloriteCoAs2Mon. 2/m : P21/m
2.EB.15cPaxiteCuAs2Mon. 2/m : P21/c
2.EB.15aNisbiteNiSb2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aLöllingiteFeAs2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aSafflorite(Co,Ni,Fe)As2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aOmeiiteOsAs2Orth.
2.EB.15aAnduoiteRuAs2Orth.
2.EB.20ArsenopyriteFeAsSMon. 2/m : P21/c
2.EB.20Ruarsite(Ru,Os)AsSMon.
2.EB.20Osarsite(Os,Ru)AsSMon.
2.EB.20GudmunditeFeSbSMon. 2/m : P21/c
2.EB.25MayingiteIrBiTeIso. m3(2/m3) : Pa3
2.EB.25MaslovitePtBiTeIso. 23 : P213
2.EB.25ParagersdorffiteNi(As,S)2Iso. m3(2/m3) : Pa3
2.EB.25OrthogersdorffiteNiAsSOrth. mm2 : Pca21
2.EB.25SulfopadmaitePdBiSIso. 23 : P213
2.EB.25JolliffeiteNiAsSeIso. m3(2/m3) : Pa3
2.EB.25CobaltiteCoAsSOrth. mm2 : Pca21
2.EB.25GuixiangiteNiBiSIso. 23 : P213
2.EB.25TestibiopalladitePdSbTeIso.
2.EB.25 va'Antimony-bearing Gersdorffite'Ni(As,Sb)S
2.EB.25KalungaitePdAsSeIso. m3(2/m3) : Pa3
2.EB.25Hollingworthite(Rh,Pt,Pd)AsSIso. m3(2/m3) : Pa3
2.EB.25MicheneritePdBiTeIso. 23 : P213
2.EB.25GersdorffiteNiAsSIso. 23 : P213
2.EB.25MilotaitePdSbSeIso. 23 : P213
2.EB.25TolovkiteIrSbSIso.
2.EB.25'Platarsite'Pt(As,S)2Iso. m3(2/m3) : Pa3
2.EB.25WillyamiteCoSbS
2.EB.25ChangchengiteIrBiSIso. 23 : P213
2.EB.25KvačekiteNiSbSeIso. 23 : P213
2.EB.25KrutoviteNiAs2Iso. 23 : P213
2.EB.25PadmaitePdBiSeIso. 432
2.EB.25Irarsite(Ir,Ru,Rh,Pt)AsSIso. m3(2/m3) : Pa3
2.EB.30UrvantsevitePd(Bi,Pb)2Tet. 4/mmm(4/m2/m2/m) : I4/mmm
2.EB.35RheniiteReS2Tric. 1 : P1

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 UllmanniteHide

References for UllmanniteHide

Reference List:

Localities for UllmanniteHide

Showing 431 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.
Argentina
 
  • Jujuy Province
    • Cochinoca Department
      • Abra Pampa
Zappettini et al. (2014)
Paar et al. (2016)
    • Humahuaca Department
      • El Aguilar
Paar et al. (2016)
  • Salta Province
    • Iruya Department
Anthony et al. (1990)
    • Los Andes department
      • San Antonio de los Cobres
Paz et al. (2016)
Australia
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
        • Broken Hill
Ramdohr (1950)
Lawrence et al. (1999) +1 other reference
Ramdohr (1950)
Ramdohr (1950)
  • Northern Territory
    • Coomalie Shire
      • Batchelor
Fleming +2 other references
  • Queensland
    • City of Mount Isa
      • Mount Isa
Sielecki (1988)
  • South Australia
    • District Council of Mount Barker
Nenke (1972) +1 other reference
    • Pastoral Unincorporated Area
      • Leigh Creek Station
        • Nichol Nob
SA Geodata Database - Mineral Deposit ... +1 other reference
      • Mount Lyndhurst Station
SA Geodata Database - Mineral Deposit ...
  • Tasmania
    • Huon Valley municipality
      • Huon-Channel region
        • Weld river district
Bottrill et al. (2008)
    • West Coast municipality
      • Rosebery district
        • Rosebery
Zaw et al. (1997)
      • Zeehan mining district
        • Zeehan mineral field
Bottrill et al. (2008)
Bottrill et al. (2008)
  • Western Australia
    • Ashburton Shire
      • Wyloo Station
Ferguson (1999)
Ferguson (1999)
    • Boddington Shire
      • Bannister
Kalleske (2010)
    • City of Karratha
      • Whim Creek
Collins et al. (2004)
    • Cue Shire
      • Cue
Mock (1987)
    • Dundas Shire
      • Fraser Range
Dana et al. (2025) +1 other reference
    • Kalgoorlie-Boulder Shire
      • Kalgoorlie-Boulder
        • Boorara
Caruso et al. (2018) +1 other reference
    • Perenjori Shire
      • Mount Mulgine
CJR Migisha +3 other references
Austria
 
  • Carinthia
    • Sankt Veit an der Glan District
      • Hüttenberg
H.Meixner (1974)
Meixner (1957)
      • Micheldorf
        • Hirt
Auer (2026)
    • Spittal an der Drau District
      • Kleblach-Lind
        • Leßnig
Mali (1996)
Mali (1996)
    • Völkermarkt District
      • Bleiburg
Niedermayr et al. (1995)
    • Wolfsberg District
      • Wolfsberg
Meixner (1957)
        • Waldenstein
Niedermayr et al. (1995) +1 other reference
  • Salzburg
    • St. Johann im Pongau District
Strasser (1989)
      • Mühlbach am Hochkönig
C.Auer (2025)
      • Radstadt
Feitzinger et al. (1988) +1 other reference
    • Tamsweg District
      • Ramingstein
Auer (2026) +1 other reference
    • Zell am See District
      • Kaprun
Kolitsch et al. (2021)
      • Mittersill
        • Mittersill Scheelite deposit
Auer (2020)
Kolitsch (2020)
  • Styria
    • Bruck-Mürzzuschlag District
      • Sankt Marein im Mürztal
        • Graschnitzgraben
Schachinger et al. (2013)
      • Spital am Semmering
        • Dürrhof
          • Semmering Base Tunnel
Postl et al. (1997)
    • Leoben District
      • Sankt Stefan ob Leoben
        • Kaisersberg
Raith et al. (2000) +1 other reference
Auer (2025)
      • Wald am Schoberpass
        • A9 Motorway tunnels
Bojar et al. (2002)
    • Liezen District
      • Schladming
        • Giglach valley
          • Knappen lakes
Schachinger et al. (2017)
        • Obertalbach valley
Kolitsch et al. (2008) +1 other reference
    • Murtal District
      • Hohentauern
        • Sunk
matrixx 3
    • Weiz District
      • Passail
Reiter et al. (2005)
Bojar (1997) +2 other references
  • Tyrol
    • Innsbruck
      • Wilten
Kolitsch (2017)
    • Landeck District
      • Pfunds
        • Platz valley (Platzer valley)
GeoSphere Austria (2026)
    • Lienz District
      • Abfaltersbach
Mali (1996)
    • Schwaz District
      • Hainzenberg
www.mineralienatlas.de (n.d.)
      • Zell am Ziller
Exel (1993)
Bolivia
 
Royal Ontario Museum specimen
    • Tapacari Province
Royal Ontario Museum specimen
  • La Paz
    • Pedro Domingo Murillo Province
      • Huayna Potosí
Wilson (2001)
    • Sud Yungas Province
      • Rinconada
Ahlfeld & Muñoz Reyes (1955)
Brazil
 
  • Minas Gerais
    • Nova Lima
Vial et al. (2007)
    • Santa Bárbara
Lobato et al. (2001)
Silva et al. (2022)
Bulgaria
 
  • Vratsa Province
    • Vratsa Municipality
www.geologija-revija.si (n.d.)
Burkina Faso
 
  • Centre-Ouest Region
    • Sanguié Province
      • Réo Department
Econ Geol (2003)
Canada
 
  • British Columbia
    • Liard Mining Division
      • Turnagain River area
Jackson-Brown et al. (2014)
    • Lillooet Mining Division
      • Bridge River area
Hora et al. (2006)
  • Manitoba
    • Lynn Lake District
Augsten et al. (1986) +1 other reference
  • New Brunswick
    • York Co.
      • Clarence Stream area
Cabri et al. (2007) +1 other reference
  • Northwest Territories
    • Great Slave Lake
      • Easter Island Dike
Graham et al. (2026)
    • North Slave Region
      • Yellowknife
Coleman (1957)
  • Ontario
    • Kenora District
      • Balmer Township
Rocks & Minerals 79:2 pp94-99
      • Red Lake Gold District
Marsden (2012)
    • Sudbury District
      • Unorganized North Sudbury District
        • Sewell Township