Vaesite
A valid IMA mineral species - grandfathered
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About Vaesite
Formula:
NiS2
Colour:
Black, silver-gray
Lustre:
Metallic
Hardness:
4½ - 5½
Specific Gravity:
4.45
Crystal System:
Isometric
Member of:
Name:
Named in 1945 by Paul F. Kerr in honour of Johannes Franciscus Vaes (1902 - 1978), administrator, geologist, and mineralogist with the Union Minière du Haut-Katanga, in the Belgian Congo, now the Democratic Republic of the Congo.
Type Locality:
Unique Identifiers
Mindat ID:
4133
Long-form identifier:
mindat:1:1:4133:7
Similar Names
| Fassaite | A variety of Augite | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| Viséite | A variety of Crandallite |
IMA Classification of Vaesite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Ni2+(S2)2-
First published:
1945
Classification of Vaesite
2.EB.05a
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 : 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.
2.12.1.2
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.11.5
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
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 Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Va | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Va | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Vaesite
Metallic
Transparency:
Opaque
Colour:
Black, silver-gray
Streak:
Black
Hardness:
4½ - 5½ on Mohs scale
Hardness:
VHN100=743 - 837 kg/mm2 - Vickers
Cleavage:
Distinct/Good
{001}
{001}
Density:
4.45 g/cm3 (Measured) 4.47 g/cm3 (Calculated)
Optical Data of Vaesite
Reflectivity:
| Wavelength | R1 (%) |
|---|---|
| 400nm | 34.2% |
| 420nm | 33.6% |
| 440nm | 33.2% |
| 460nm | 32.8% |
| 480nm | 32.4% |
| 500nm | 32.2% |
| 520nm | 32.0% |
| 540nm | 31.8% |
| 560nm | 31.8% |
| 580nm | 31.8% |
| 600nm | 32.0% |
| 620nm | 32.0% |
| 640nm | 32.1% |
| 660nm | 32.3% |
| 680nm | 32.6% |
| 700nm | 32.9% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 34.2%.
Colour in reflected light:
pale violet-gray
Chemistry of Vaesite
Mindat Formula:
NiS2
Elements listed:
Common Impurities:
Co,Fe
Crystallography of Vaesite
Crystal System:
Isometric
Class (H-M):
m3(2/m3) - Diploidal
Space Group:
Pa3
Setting:
Pa3
Cell Parameters:
a = 5.66787(8) Å
Unit Cell V:
182.08 ų (Calculated from Unit Cell)
Z:
4
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0011917 | Vaesite | Furuseth S, Kjekshus A, Andresen A F (1969) On the magnetic properties of CoSe2, NiS2, and NiSe2 Acta Chemica Scandinavica 23 2325-2334 | 1969 | synthetic | 0 | 293 | |
| 0009853 | Vaesite | Nowack E, Schwarzenbach D, Hahn T (1991) Charge densities in CoS2 and NiS2 (pyrite structure) Acta Crystallographica B47 650-659 | ![]() | 1991 | synthetic | 0 | 135 |
| 0010990 | Vaesite | Nowack E, Schwarzenbach D, Gonschorek W, Hahn T (1989) Deformationsdichten in CoS2 und NiS2 mit pyritstruktur Zeitschrift fur Kristallographie 186 213-215 | ![]() | 1989 | 0 | 295 | |
| 0010989 | Vaesite | Nowack E, Schwarzenbach D, Gonschorek W, Hahn T (1989) Deformationsdichten in CoS2 und NiS2 mit pyritstruktur Zeitschrift fur Kristallographie 186 213-215 | ![]() | 1989 | 0 | 145 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.83 Å | (100) |
| 1.707 Å | (80) |
| 1.091 Å | (60) |
| 2.00 Å | (50) |
| 2.54 Å | (40) |
| 2.32 Å | (40) |
| 1.003 Å | (40) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3b: Earth’s earliest hydrosphere | >4.45 |
| 12 : Hadean hydrothermal subsurface sulfide deposits (see also #33) |
Type Occurrence of Vaesite
Other Language Names for Vaesite
Varieties of Vaesite
Relationship of Vaesite to other Species
Member of:
Other Members of Pyrite Group:
| Aurostibite | AuSb2 | Iso. m3(2/m3) : Pa3 |
| Cattierite | CoS2 | Iso. m3(2/m3) : Pa3 |
| Dzharkenite | FeSe2 | Iso. m3(2/m3) : Pa3 |
| Erlichmanite | OsS2 | Iso. m3(2/m3) : Pa3 |
| Fukuchilite | Cu3FeS8 | Iso. m3(2/m3) : Pa3 |
| Gaotaiite | Ir3Te8 | Iso. m3(2/m3) : Pa3 |
| Geversite | PtSb2 | Iso. m3(2/m3) : Pa3 |
| Hauerite | MnS2 | Iso. m3(2/m3) : Pa3 |
| Insizwaite | PtBi2 | Iso. m3(2/m3) : Pa3 |
| Kruťaite | CuSe2 | Iso. m3(2/m3) : Pa3 |
| Laurite | RuS2 | Iso. m3(2/m3) : Pa3 |
| Penroseite | (Ni,Co,Cu)Se2 | Iso. m3(2/m3) : Pa3 |
| Pyrite | FeS2 | Iso. m3(2/m3) : Pa3 |
| Sperrylite | PtAs2 | Iso. m3(2/m3) : Pa3 |
| Trogtalite | CoSe2 | Iso. m3(2/m3) : Pa3 |
| Villamanínite | (Cu,Ni,Co,Fe)S2 | Tric. |
Forms a series with:
Common Associates
Associations Based on Photo Data:
| 22 photos of Vaesite associated with Millerite | NiS |
| 21 photos of Vaesite associated with Pyrite | FeS2 |
| 17 photos of Vaesite associated with Chalcopyrite | CuFeS2 |
| 15 photos of Vaesite associated with Kruťaite | CuSe2 |
| 14 photos of Vaesite associated with Goethite | Fe3+O(OH) |
| 11 photos of Vaesite associated with Calcite | CaCO3 |
| 10 photos of Vaesite associated with Nickeline | NiAs |
| 9 photos of Vaesite associated with Clausthalite | PbSe |
| 9 photos of Vaesite associated with Cattierite | CoS2 |
| 8 photos of Vaesite associated with Uraninite | UO2 |
Related Minerals - Strunz-mindat Grouping
| 2.EB. | Selenolaurite | RuSe2 |
| 2.EB. | Andrieslombaardite | RhSbS |
| 2.EB. | Iridarsenite | (Ir,Ru)As2 |
| 2.EB. | Kanatzidisite | (SbBiS3)2Te2 |
| 2.EB.05a | Hauerite | MnS2 |
| 2.EB.05a | Laurite | RuS2 |
| 2.EB.05a | Gaotaiite | Ir3Te8 |
| 2.EB.05a | Penroseite | (Ni,Co,Cu)Se2 |
| 2.EB.05a | Fukuchilite | Cu3FeS8 |
| 2.EB.05a | Villamanínite | (Cu,Ni,Co,Fe)S2 |
| 2.EB.05a | Erlichmanite | OsS2 |
| 2.EB.05a | Sperrylite | PtAs2 |
| 2.EB.05a | Geversite | PtSb2 |
| 2.EB.05a | Cattierite | CoS2 |
| 2.EB.05a | Aurostibite | AuSb2 |
| 2.EB.05a | Trogtalite | CoSe2 |
| 2.EB.05a v | 'Cayeuxite' | |
| 2.EB.05a | Kruťaite | CuSe2 |
| 2.EB.05a | Pyrite | FeS2 |
| 2.EB.05a | Insizwaite | PtBi2 |
| 2.EB.05b | Bambollaite | Cu(Se,Te)2 |
| 2.EB.05a | Dzharkenite | FeSe2 |
| 2.EB.10a | Marcasite | FeS2 |
| 2.EB.10e | Paracostibite | CoSbS |
| 2.EB.10f | Oenite | CoSbAs |
| 2.EB.10e | Pararammelsbergite | NiAs2 |
| 2.EB.10a | Mattagamite | CoTe2 |
| 2.EB.10a | Frohbergite | FeTe2 |
| 2.EB.10d | Costibite | CoSbS |
| 2.EB.10b | Alloclasite | Co1-xFexAsS |
| 2.EB.10c | Glaucodot | (Co0.50Fe0.50)AsS |
| 2.EB.10a | Petříčekite | CuSe2 |
| 2.EB.10a | Kullerudite | NiSe2 |
| 2.EB.10a | Ferroselite | FeSe2 |
| 2.EB.15b | Seinäjokite | FeSb2 |
| 2.EB.15a | Rammelsbergite | NiAs2 |
| 2.EB.15a | Clinosafflorite | CoAs2 |
| 2.EB.15c | Paxite | CuAs2 |
| 2.EB.15a | Nisbite | NiSb2 |
| 2.EB.15a | Löllingite | FeAs2 |
| 2.EB.15a | Safflorite | (Co,Ni,Fe)As2 |
| 2.EB.15a | Omeiite | OsAs2 |
| 2.EB.15a | Anduoite | RuAs2 |
| 2.EB.20 | Arsenopyrite | FeAsS |
| 2.EB.20 | Ruarsite | (Ru,Os)AsS |
| 2.EB.20 | Osarsite | (Os,Ru)AsS |
| 2.EB.20 | Gudmundite | FeSbS |
| 2.EB.25 | Mayingite | IrBiTe |
| 2.EB.25 | Maslovite | PtBiTe |
| 2.EB.25 | Paragersdorffite | Ni(As,S)2 |
| 2.EB.25 | Orthogersdorffite | NiAsS |
| 2.EB.25 | Sulfopadmaite | PdBiS |
| 2.EB.25 | Jolliffeite | NiAsSe |
| 2.EB.25 | Cobaltite | CoAsS |
| 2.EB.25 | Guixiangite | NiBiS |
| 2.EB.25 | Testibiopalladite | PdSbTe |
| 2.EB.25 va | 'Antimony-bearing Gersdorffite' | Ni(As,Sb)S |
| 2.EB.25 | Kalungaite | PdAsSe |
| 2.EB.25 | Hollingworthite | (Rh,Pt,Pd)AsS |
| 2.EB.25 | Michenerite | PdBiTe |
| 2.EB.25 | Gersdorffite | NiAsS |
| 2.EB.25 | Milotaite | PdSbSe |
| 2.EB.25 | Tolovkite | IrSbS |
| 2.EB.25 | 'Platarsite' | Pt(As,S)2 |
| 2.EB.25 | Willyamite | CoSbS |
| 2.EB.25 | Changchengite | IrBiS |
| 2.EB.25 | Kvačekite | NiSbSe |
| 2.EB.25 | Krutovite | NiAs2 |
| 2.EB.25 | Padmaite | PdBiSe |
| 2.EB.25 | Ullmannite | NiSbS |
| 2.EB.25 | Irarsite | (Ir,Ru,Rh,Pt)AsS |
| 2.EB.30 | Urvantsevite | Pd(Bi,Pb)2 |
| 2.EB.35 | Rheniite | ReS2 |
Other Information
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 Vaesite
mindat.org URL:
https://www.mindat.org/min-4133.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Vaesite
Reference List:
Kerr, Paul F. (1945) Cattierite and vaesite: New Co-Ni minerals from the Belgian Congo. American Mineralogist, 30 (7-8) 483-497
KULLERUD, G., YUND, R. A. (1962) The Ni-S System and Related Minerals. Journal of Petrology, 3 (1) 126-175 doi:10.1093/petrology/3.1.126
Park, WonC. (1967) Early diagenetic framboidal pyrite, bravoite and vaesite from the Cave-In-Rock fluorspar district, southern Illinois. Mineralium Deposita, 2 (4). 372-375 doi:10.1007/bf00207028
Lutz, H. D.; Willich, P. (1974) Gitterschwingungsspektren. IX. Pyritstruktur. FIR‐Spektren und Normalkoordinatenanalyse von MnS2, FeS2 und NiS2. Zeitschrift für anorganische und allgemeine Chemie, 405 (2). 176-182 doi:10.1002/zaac.19744050207
Ostwald, J. (1980) Notes on a Co-Ni disulphide and a Co-Ni-Fe thiospinel from the Kalgoorlie district, Western Australia. Mineralogical Magazine, 43 (331) 950-951 doi:10.1180/minmag.1980.043.331.24
Nowack, E.; Schwarzenbach, D.; Hahn, Th. (1991) Charge densities in CoS2 and NiS2 (pyrite structure). Acta Crystallographica Section B Structural Science, 47 (5). 650-659 doi:10.1107/s0108768191004871
Gibbs, G. V., Downs, R. T., Prewitt, C. T., Rosso, K. M., Ross, N. L., Cox, D. F. (2005) Electron Density Distributions Calculated for the Nickel Sulfides Millerite, Vaesite, and Heazlewoodite and Nickel Metal: A Case for the Importance of Ni−Ni Bond Paths for Electron Transport. The Journal of Physical Chemistry B, 109 (46). 21788-21795 doi:10.1021/jp054109a
Korinevsky, V. G. (2019) Vaesite (NiS2): the first finding in carbonatites. Vestnik of Institute of Geology of Komi Science Center of Ural Branch RAS, 5. 13-19 doi:10.19110/2221-1381-2019-5-13-19
Ferreira, Helena M.; Lopes, Elsa B.; Malta, José F.; Ferreira, Luís M.; Casimiro, Maria H.; Santos, Luís; Pereira, Manuel F.C.; Pereira Gonçalves, Antonio (2019) Preparation, thermal stability and electrical transport properties of vaesite, NiS2. PeerJ Materials Science, 1. e2 doi:10.7717/peerj-matsci.2
Localities for Vaesite
Showing 149 localities.
Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Argentina | |
| Anthony et al. (1990) |
Australia | |
| Marston (1984) +2 other references |
| Marston (1984) |
Austria | |
| Kolitsch et al. (2026) |
| Putz (2011) |
| Kolitsch et al. (2018) |
| Putz et al. (2007) |
Azerbaijan | |
| Anthony et al. (1990) |
Bolivia | |
| Günter Grundmann collection +2 other references |
Brazil | |
| Monteiro et al. (2008) |
| Monteiro et al. (2008) | |
| Monteiro et al. (2008) |
Bulgaria | |
| Bul. Acad. Sci. (1998) |
| Anthony et al. (1990) |
| Strashimirov et al. (2002) +1 other reference |
| Georgiev (2008) |
Canada | |
| Graham et al. (2026) |
| Kidd Operations |
| Can Mineral 1984 22: 13-21 |
| Boulanger (2012) |
| Deklerk et al. (compilers) +1 other reference |
China | |
| Dequan Shuai and Xiaojiang Hu (1995) +1 other reference |
| Guangdi Zhang et al. (2002) +2 other references |
| Kao et al. (2001) | |
| Li et al. (2002) |
| Youyu Li et al. (1994) |
| Jiajun Liu et al. (2000) |
| Wang et al. (2023) |
| Peiqing Hu et al. (2010) |
| Kaiji Yu (1981) +2 other references |
| Zhang et al. (2019) |
| Li et al. (2018) +2 other references |
| Huijin Lu and Jian Wang (2005) |
| Huijin Lu and Jian Wang (2005) |
| Huijin Lu and Jian Wang (2005) | |
Czech Republic | |
| Ondruš et al. (2003) |
| Scharm +7 other references |
DR Congo | |
| 304 [277]. +4 other references |
| www-pub.iaea.org (2023) | |
| Lhoest (1992) |
Finland | |
| Geological Survey of Finland 2008 ... +1 other reference |
| Vuorelainen et al. (1964) +1 other reference |
| Vuorelainen (1962) | |
France | |
| Ramdohr (1967) |
| Alain Tuel collection |
Germany | |
| Walenta (1980) +1 other reference |
| Nickel et al. (1985) |
| Anthony et al. (1990) |
| Weiß (1990) |
| Anthony et al. (1990) |
| Henrich et al. (2019) |
| Graf et al. (1990) |
| Aufschluss 90 (2) |
| Aufschluss 90 (2) | |
| Aufschluss 90 (2) | |
| Klemm et al. (1962) |
| Krupp (1989) |
| Gröbner et al. (2011) |
| Gröbner et al. (2011) | |
| Hajek (2010) |
| Lapis 30 (7/8) | |
| Witzke et al. (1998) |
Greece | |
| Voudouris et al. (2018) |
| Kolitsch et al. (2015) +2 other references | |
| Kolitsch et al. (2015) +1 other reference |
Hungary | |
| Koch (1985) |
India | |
| Sinha et al. (2018) |
Ireland | |
| Frenzel et al. (2025) |
Italy | |
| Pedroni et al. (1996) |
| Dalrio (1980) +1 other reference |
| De Michele (1974) +3 other references |
| Pedroni et al. (1996) |
| Pedroni et al. (1996) | |
| Pedroni et al. (1996) | |
| Pedroni et al. (1996) | |
| - (n.d.) | |
| Borghi et al. (1996) |
| Calanchi et al. (1975) +2 other references |
| Pedroni et al. (1996) | |
| Pedroni et al. (1996) |
| Marco Poli Collection |
| I minerali di varie ofioliti attorno a Villa Minozzo (RE) |
| Marchesini et al. (2025) |
| Marchesini et al. (2025) | |
| Bedognè et al. (2006) |
| doi.org (n.d.) +1 other reference |
| Moroni et al. (2019) | |
| doi.org (n.d.) +1 other reference |
| Stara et al. (1996) |
| doi.org (n.d.) +1 other reference | |
| AGMT (Associazione Geomineralogica Toscana) |
| AGMT (Associazione Geomineralogica Toscana) | |
| Ciampalini et al. (2010) +1 other reference |
| Orlandi et al. (1994) +1 other reference |
| Orlandi et al. (2009) +1 other reference |
| Orlandi et al. (1989) +1 other reference |
| Gregorio et al. (1979) |
| Bonechi M. |
Japan | |
| Kato (1973) |
| Hori +1 other reference |
Mongolia | |
| Borisenko et al. (1999) |
Morocco | |
| Weiß (2006) |
| Barral et al. (2008) |
North Macedonia | |
| Antonović +6 other references |
Norway | |
| Kronos |
| Neumann (1985) |
Poland | |
| Lis et al. (1986) |
| Harańczyk 1972: Mineralizacja ... | |
| Piestrzyński et al. (2012) | |
| Harańczyk 1972: Mineralizacja ... |
| Lis et al. (1986) | |
| Eligiusz Szełęg collection |
Romania | |
| www.researchgate.net (n.d.) |
| Cook et al. (2002) +1 other reference |
| Cook et al. (2002) |
Russia | |
| Pekov I.V. et al. (2010) |
| Zaykov et al. (2017) |
| Korinevsky et al. (2022) |
| Barkov et al. (2018) |
Saudi Arabia | |
| Nehlig et al. (1999) |
Slovakia | |
| Maťo et al. (stredné Slovensko) |
| Szakáll (2002) |
| Koděra et al. (1986) |
| Grecula (1995) | |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
South Africa | |
| Hughes et al. (2021) |
Spain | |
| Anthony et al. (1990) |
| Martínez i Cantó (2015) |
| Econ Geol (1992) |
| Joan Abella i Creus (2008) |
| González-Jiménez et al. (2026) |
| González-Jiménez et al. (2026) | |
UK | |
| Ixer et al. (1998) |
| Graham et al. (2017) |
USA | |
| - (United States) +4 other references |
| Henderson (1969) +2 other references |
| Holley et al. (2023) |
| Goldstein (1997) |
| Goldstein (1997) |
| Rainville et al. (1976) |
| Sherwood et al. (1998) |
| Rocks & Min. Mar. 1998 | |
| Rocks & Min.:64:22&26. +1 other reference |
| Sherwood et al. (1998) |
| Leach et al. (1995) | |
Zambia | |
| Capistrant (2013) +1 other reference |
Zimbabwe | |
| Pirajno et al. (2013) |
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Sasso delle Lucine, Castelluccio di Moscheda, Montese, Modena Province, Emilia-Romagna, Italy