Laurite
A valid IMA mineral species - grandfathered
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About Laurite
Formula:
RuS2
Colour:
Black
Lustre:
Metallic
Hardness:
7 - 7½
Specific Gravity:
6.43
Crystal System:
Isometric
Member of:
Name:
Named by Wöhler as a compliment to the wife of a personal friend: for Laura R. Joy, wife of Charles A. Joy, American chemist, Columbia University, New York City, USA.
Unique Identifiers
Mindat ID:
2344
Long-form identifier:
mindat:1:1:2344:9
GUID
(UUID V4):
(UUID V4):
baa332df-f2ef-42b8-bfe5-fe306b433d48
IMA Classification of Laurite
Approved, 'Grandfathered' (first described prior to 1959)
Classification of Laurite
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.
2.12.1.10
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.12.2
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
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 |
---|---|---|
Lrt | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Lrt | 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 Laurite
Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Dark grey
Hardness:
7 - 7½ on Mohs scale
Hardness:
VHN25=2870 kg/mm2 - Vickers
Tenacity:
Very brittle
Cleavage:
Perfect
{111}
{111}
Fracture:
Sub-Conchoidal
Density:
6.43 g/cm3 (Measured) 6.39 g/cm3 (Calculated)
Optical Data of Laurite
Type:
Isotropic
Colour in reflected light:
white to gray, bluish
Chemistry of Laurite
Mindat Formula:
RuS2
Elements listed:
Common Impurities:
Os,Rh,Ir,Fe
Crystallography of Laurite
Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Pa3
Setting:
Pa3
Cell Parameters:
a = 5.6135 Å
Unit Cell V:
176.89 ų (Calculated from Unit Cell)
Z:
4
Morphology:
octahedral, cubic, and pyritohedral crystals, rounded grains
Comment:
Pa-3
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) |
---|---|---|---|---|---|---|---|
0010195 | Laurite | Lutz H D, Muller B, Schmidt T, Stingl T (1990) Structure refinement of pyrite-type ruthenium disulfide, RuS2, and ruthenium diselenide, RuSe2 Acta Crystallographica C46 2003-2005 | 1990 | 0 | 293 | ||
0017724 | Laurite | Oftedal I (1928) Uber die Kristallstrukturen der verbindungen RuS2, OsS2, MnTe2 und AuSb2. Mit einem Anhang uber die Gitterkonstant von Pyrit Zeitschrift fur Physikalische Chemie 135 291-299 | 1928 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.81 Å | (vs) |
3.29 Å | (vs) |
3.24 Å | (s) |
1.982 Å | (s) |
1.082 Å | (s) |
1.287 Å | (ms) |
1.256 Å | (ms) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3a: Earth’s earliest Hadean crust | >4.50 |
7 : Ultramafic igneous rocks | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
36 : Carbonatites, kimberlites, and related igneous rocks | |
37 : Layered igneous intrusions and related PGE minerals | |
Stage 5: Initiation of plate tectonics | <3.5-2.5 |
38 : Ophiolites |
Geological Setting:
Ultramafic intrusives and derived placers.
Type Occurrence of Laurite
Other Language Names for Laurite
Relationship of Laurite to other Species
Member of:
Other Members of this group:
Aurostibite | AuSb2 | Iso. m3 (2/m 3) : Pa3 |
Cattierite | CoS2 | Iso. m3 (2/m 3) : Pa3 |
Dzharkenite | FeSe2 | Iso. m3 (2/m 3) : Pa3 |
Erlichmanite | OsS2 | Iso. m3 (2/m 3) : Pa3 |
Fukuchilite | Cu3FeS8 | Iso. m3 (2/m 3) : Pa3 |
Gaotaiite | Ir3Te8 | Iso. m3 (2/m 3) : Pa3 |
Geversite | PtSb2 | Iso. m3 (2/m 3) : Pa3 |
Hauerite | MnS2 | Iso. m3 (2/m 3) : Pa3 |
Insizwaite | Pt(Bi,Sb)2 | Iso. m3 (2/m 3) : Pa3 |
Krut'aite | CuSe2 | Iso. m3 (2/m 3) : Pa3 |
Penroseite | (Ni,Co,Cu)Se2 | Iso. m3 (2/m 3) : Pa3 |
Pyrite | FeS2 | Iso. m3 (2/m 3) : Pa3 |
Sperrylite | PtAs2 | Iso. m3 (2/m 3) : Pa3 |
Trogtalite | CoSe2 | Iso. m3 (2/m 3) : Pa3 |
Vaesite | NiS2 | Iso. m3 (2/m 3) : Pa3 |
Villamanínite | (Cu,Ni,Co,Fe)S2 | Tric. |
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
10 photos of Laurite associated with Isoferroplatinum | Pt3Fe |
7 photos of Laurite associated with Spinel | MgAl2O4 |
6 photos of Laurite associated with Rutheniridosmine | (Ir,Os,Ru) |
5 photos of Laurite associated with Hollingworthite | (Rh,Pt,Pd)AsS |
5 photos of Laurite associated with Osmium | (Os,Ir,Ru) |
5 photos of Laurite associated with Iridium | (Ir,Os,Ru) |
5 photos of Laurite associated with Irarsite | (Ir,Ru,Rh,Pt)AsS |
4 photos of Laurite associated with Polyxene | (Pt,Fe,Cu,Ni,Pd,Rh) |
4 photos of Laurite associated with Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
3 photos of Laurite associated with Cuproiridsite | (Cu,Fe)Ir2S4 |
Related Minerals - Strunz-mindat Grouping
2.EB. | Iridarsenite | (Ir,Ru)As2 |
2.EB. | Selenolaurite | RuSe2 |
2.EB. | Andrieslombaardite | RhSbS |
2.EB. | Kanatzidisite | (SbBiS3)2Te2 |
2.EB.05a | Aurostibite | AuSb2 |
2.EB.05b | Bambollaite | Cu(Se,Te)2 |
2.EB.05a | Cattierite | CoS2 |
2.EB.05a | Erlichmanite | OsS2 |
2.EB.05a | Fukuchilite | Cu3FeS8 |
2.EB.05a | Geversite | PtSb2 |
2.EB.05a | Hauerite | MnS2 |
2.EB.05a | Insizwaite | Pt(Bi,Sb)2 |
2.EB.05a | Krut'aite | CuSe2 |
2.EB.05a | Penroseite | (Ni,Co,Cu)Se2 |
2.EB.05a | Pyrite | FeS2 |
2.EB.05a | Sperrylite | PtAs2 |
2.EB.05a | Trogtalite | CoSe2 |
2.EB.05a | Vaesite | NiS2 |
2.EB.05a | Villamanínite | (Cu,Ni,Co,Fe)S2 |
2.EB.05a | Dzharkenite | FeSe2 |
2.EB.05a | Gaotaiite | Ir3Te8 |
2.EB.05a v | Cayeuxite | |
2.EB.10b | Alloclasite | Co1-xFexAsS |
2.EB.10d | Costibite | CoSbS |
2.EB.10a | Ferroselite | FeSe2 |
2.EB.10a | Frohbergite | FeTe2 |
2.EB.10c | Glaucodot | (Co0.50Fe0.50)AsS |
2.EB.10a | Kullerudite | NiSe2 |
2.EB.10a | Marcasite | FeS2 |
2.EB.10a | Mattagamite | CoTe2 |
2.EB.10e | Paracostibite | CoSbS |
2.EB.10e | Pararammelsbergite | NiAs2 |
2.EB.10f | Oenite | CoSbAs |
2.EB.10a | Petříčekite | CuSe2 |
2.EB.15a | Anduoite | (Ru,Os)As2 |
2.EB.15a | Clinosafflorite | CoAs2 |
2.EB.15a | Löllingite | FeAs2 |
2.EB.15a | Nisbite | NiSb2 |
2.EB.15a | Omeiite | (Os,Ru)As2 |
2.EB.15c | Paxite | CuAs2 |
2.EB.15a | Rammelsbergite | NiAs2 |
2.EB.15a | Safflorite | (Co,Ni,Fe)As2 |
2.EB.15b | Seinäjokite | (Fe,Ni)(Sb,As)2 |
2.EB.20 | Arsenopyrite | FeAsS |
2.EB.20 | Gudmundite | FeSbS |
2.EB.20 | Osarsite | (Os,Ru)AsS |
2.EB.20 | Ruarsite | (Ru,Os)AsS |
2.EB.25 va | Antimony-bearing Gersdorffite | Ni(As,Sb)S |
2.EB.25 | Cobaltite | CoAsS |
2.EB.25 | Gersdorffite | NiAsS |
2.EB.25 | Hollingworthite | (Rh,Pt,Pd)AsS |
2.EB.25 | Irarsite | (Ir,Ru,Rh,Pt)AsS |
2.EB.25 | Jolliffeite | NiAsSe |
2.EB.25 | Krutovite | NiAs2 |
2.EB.25 | Maslovite | PtBiTe |
2.EB.25 | Michenerite | PdBiTe |
2.EB.25 | Padmaite | PdBiSe |
2.EB.25 | Platarsite | Pt(As,S)2 |
2.EB.25 | Testibiopalladite | PdSbTe |
2.EB.25 | Tolovkite | IrSbS |
2.EB.25 | Ullmannite | NiSbS |
2.EB.25 | Willyamite | CoSbS |
2.EB.25 | Changchengite | IrBiS |
2.EB.25 | Mayingite | IrBiTe |
2.EB.25 | Kalungaite | PdAsSe |
2.EB.25 | Milotaite | PdSbSe |
2.EB.25 | Paragersdorffite | Ni(As,S)2 |
2.EB.25 | Orthogersdorffite | NiAsS |
2.EB.25 | Kvačekite | NiSbSe |
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.
Industrial Uses:
Ruthenium ore
Internet Links for Laurite
mindat.org URL:
https://www.mindat.org/min-2344.html
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References for Laurite
Localities for Laurite
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).
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.
All localities listed without proper references should be considered as questionable.
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Verkhneivinsk, Novouralsk, Sverdlovsk Oblast, Russia