Lautite
A valid IMA mineral species - grandfathered
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About Lautite
Formula:
CuAsS
Colour:
Black, steel-gray with reddish tone
Lustre:
Metallic, Sub-Metallic
Hardness:
3½
Specific Gravity:
4.91
Crystal System:
Orthorhombic
Name:
Named by A Frenzel in 1881 for the type locality Lauta near Marienberg, Saxony.
This page provides mineralogical data about Lautite.
Unique Identifiers
Mindat ID:
2348
Long-form identifier:
mindat:1:1:2348:7
Similar Names
| Latite | A rock classification type | |
| Laueite | A valid IMA mineral species - grandfathered | Mn2+Fe23+(PO4)2(OH)2 · 8H2O |
| Laurite | A valid IMA mineral species - grandfathered | RuS2 |
| Leiteite | A valid IMA mineral species | Zn(As2O4) |
| Leyteite | A variety of 'Bitumen' ['Petroleum'] | |
| Liottite | A valid IMA mineral species | (Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4 |
| Lutite | A synonym of 'Mudstone' | |
| Lydite | A rock subtype |
IMA Classification of Lautite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1881
Classification of Lautite
2.CB.40
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
B : With Zn, Fe, Cu, Ag, etc.
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
B : With Zn, Fe, Cu, Ag, etc.
2.12.8.1
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.1.20
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
1 : Sulphides etc. of Cu
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
1 : Sulphides etc. of Cu
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 |
|---|---|---|
| Ltt | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Ltt | 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 Lautite
Metallic, Sub-Metallic
Transparency:
Opaque
Colour:
Black, steel-gray with reddish tone
Streak:
Black
Hardness:
3½ on Mohs scale
Hardness:
VHN100=239 - 259 - Vickers
Comment:
VHN with 100 g load
Density:
4.91 g/cm3 (Measured) 4.878 g/cm3 (Calculated)
Chemistry of Lautite
Mindat Formula:
CuAsS
Element Weights:
Elements listed:
Crystallography of Lautite
Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Space Group:
Pnma
Cell Parameters:
a = 11.347(4) Å, b = 3.7533(7) Å, c = 5.453(1) Å
Ratio:
a:b:c = 3.023 : 1 : 1.453
Unit Cell V:
232.24 ų (Calculated from Unit Cell)
Morphology:
Short to long prismatic [100] crystals and tabular [001]; striated on {001} parallel to [100]. Also massive, fine granular or radiating.
Twinning:
{110}
Crystallographic forms of Lautite
Crystal Atlas:
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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) |
|---|---|---|---|---|---|---|---|
| 0010484 | Lautite | Bindi L, Catelani T, Chelazzi L, Paola B (2008) Reinvestigation of the crystal structure of lautite, CuAsS Acta Crystallographica E64 i22-i22 | ![]() | 2008 | Marienberg, Saxony, Germany | 0 | 293 |
| 0009298 | Lautite | Craig D C, Stephenson N C (1965) The crystal structure of lautite, CuAsS Acta Crystallographica 19 543-547 | ![]() | 1965 | Lauta, Saxony, Germany | 0 | 293 |
| 0018614 | Lautite | Marumo F, Nowacki W (1964) The crystal structure of lautite and of sinnerite, a new mineral from the Lengenbach Quarry Schweizerische Mineralogische und Petrographische Mitteilungen 44 439-454 | 1964 | Grube Gabe Gottes near Sainte-Marie-aux-Mines, France | 0 | 293 |
CIF Raw Data - click here to close
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-? alteration and/or metamorphism | |
| 33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Lautite
Place of Conservation of Type Material:
Mining Academy, Freiberg, Germany, 44485.
Associated Minerals at Type Locality:
Other Language Names for Lautite
Common Associates
Associations Based on Photo Data:
| 72 photos of Lautite associated with Tennantite Subgroup | Cu6(Cu4C2+2)As4S12S |
| 42 photos of Lautite associated with Chalcopyrite | CuFeS2 |
| 19 photos of Lautite associated with Löllingite | FeAs2 |
| 19 photos of Lautite associated with Native Arsenic | As |
| 10 photos of Lautite associated with Quartz | SiO2 |
| 8 photos of Lautite associated with Pyrophyllite | Al2Si4O10(OH)2 |
| 6 photos of Lautite associated with Safflorite | (Co,Ni,Fe)As2 |
| 6 photos of Lautite associated with Pyrite | FeS2 |
| 6 photos of Lautite associated with Enargite | Cu3AsS4 |
| 5 photos of Lautite associated with Tetrahedrite Group | M2(A6)M1(B4 C2)X3(D4)S1(Y12)S2(Z) |
Related Minerals - Strunz-mindat Grouping
| 2.CB. | Richardsite | Zn2CuGaS4 |
| 2.CB. | Okruginite | Cu2SnSe3 |
| 2.CB. | Hanswilkeite | KFeS2 |
| 2.CB. | Auroselenide | AuSe |
| 2.CB. | Ruizhongite | (Ag2◻)Pb3Ge2S8 |
| 2.CB. | Agmantinite | Ag2MnSnS4 |
| 2.CB. | Tolstykhite | Au3S4Te6 |
| 2.CB. | Gachingite | Au(Te1-xSex) |
| 2.CB.05a | Hawleyite | CdS |
| 2.CB.05 | 'UM1998-15-S:CuFeZn' | Cu2Fe3Zn5S10 |
| 2.CB.05a | Coloradoite | HgTe |
| 2.CB.05a | Metacinnabar | HgS |
| 2.CB.05a | Tiemannite | HgSe |
| 2.CB.05a | Sphalerite | ZnS |
| 2.CB.05b | Sakuraiite | (Cu,Zn,Fe)3(In,Sn)S4 |
| 2.CB.05c | Polhemusite | (Zn,Hg)S |
| 2.CB.05a | Rudashevskyite | (Fe,Zn)S |
| 2.CB.05a | Stilleite | ZnSe |
| 2.CB.05a | Ishiharaite | (Cu,Ga,Fe,In,Zn)S |
| 2.CB.07a | 'Unnamed (Cu-Mn-Sn Sulphide)' | Cu2MnSnS4 |
| 2.CB.07a | Shenzhuangite | NiFeS2 |
| 2.CB.10b | Talnakhite | Cu9(Fe,Ni)8S16 |
| 2.CB.10b | Haycockite | Cu4Fe5S8 |
| 2.CB.10a | Lenaite | AgFeS2 |
| 2.CB.10a | Gallite | CuGaS2 |
| 2.CB.10a | Roquesite | CuInS2 |
| 2.CB.10a | Eskebornite | CuFeSe2 |
| 2.CB.10a | 'UM1984-30-S:CuFeSn' | Cu2Fe2Sn3S7 |
| 2.CB.10c | Omariniite | Cu8Fe2ZnGe2S12 |
| 2.CB.10a | Chalcopyrite | CuFeS2 |
| 2.CB.10a | 'Unnamed (Cu-Zn-In Sulphide)' | CuZn2InS4 |
| 2.CB.10b | Mooihoekite | Cu9Fe9S16 |
| 2.CB.10a | Laforêtite | AgInS2 |
| 2.CB.10b | Putoranite | Cu1.1Fe1.2S2 |
| 2.CB.15a | Velikite | Cu2HgSnS4 |
| 2.CB.15c | 'UM2006-11-S:CuFeGeZn' | Cu8(Fe,Zn)3Ge2S12 (?) |
| 2.CB.15a | Hocartite | Ag2(Fe2+,Zn)SnS4 |
| 2.CB.15a | Kësterite | Cu2ZnSnS4 |
| 2.CB.15a | Pirquitasite | Ag2ZnSnS4 |
| 2.CB.15a | Stannite | Cu2FeSnS4 |
| 2.CB.15c | Stannoidite | Cu+6Cu2+2(Fe2+,Zn)3Sn2S12 |
| 2.CB.15b | Mohite | Cu2SnS3 |
| 2.CB.15a | Černýite | Cu2CdSnS4 |
| 2.CB.15a | Idaite | Cu5FeS6 |
| 2.CB.15a | Ferrokësterite | Cu2FeSnS4 |
| 2.CB.15a | Kuramite | Cu3SnS4 |
| 2.CB.17a v | 'Arsenic-bearing Renierite' | Cu11GeAsFe4S16 |
| 2.CB.20 | Mawsonite | Cu6Fe2SnS8 |
| 2.CB.20 | Chatkalite | Cu6FeSn2S8 |
| 2.CB.30 | 'Frieseite' | Ag2Fe5S8 (?) |
| 2.CB.30 | Nekrasovite | Cu26V2(Sn,As,Sb)6S32 |
| 2.CB.30 | 'Argyropyrite' | near Ag2Fe7S11 |
| 2.CB.30 | Maikainite | Cu20(Fe,Cu)6Mo2Ge6S32 |
| 2.CB.30 | Colusite | Cu13VAs3S16 |
| 2.CB.30 | Germanite | Cu13Fe2Ge2S16 |
| 2.CB.30 | Germanocolusite | Cu26V2(Ge,As)6S32 |
| 2.CB.30 | Stibiocolusite | Cu13V(Sb,Sn,As)3S16 |
| 2.CB.30 | Ovamboite | Cu20(Fe,Cu,Zn)6W2Ge6S32 |
| 2.CB.35a | Morozeviczite | (Pb,Fe)3Ge1-xS4 |
| 2.CB.35a | Renierite | (Cu+,Zn)11Fe4(Ge4+,As5+)2S16 |
| 2.CB.35a | Hemusite | Cu6SnMoS8 |
| 2.CB.35b | Catamarcaite | Cu6GeWS8 |
| 2.CB.35a | Vinciennite | Cu+7Cu2+3Fe2+2Fe3+2Sn(As,Sb)S16 |
| 2.CB.35a | Kiddcreekite | Cu6SnWS8 |
| 2.CB.35a | Polkovicite | (Fe,Pb)3(Ge,Fe)1-xS4 |
| 2.CB.42 | Lingbaoite | AgTe3 |
| 2.CB.45 | Cadmoselite | CdSe |
| 2.CB.45 | Rambergite | MnS |
| 2.CB.45 | Buseckite | (Fe,Zn,Mn)S |
| 2.CB.45 | Maletoyvayamite | Au3Se4Te6 |
| 2.CB.45 | Greenockite | CdS |
| 2.CB.45 | Wurtzite | (Zn,Fe)S |
| 2.CB.47 | Murchisite | Cr5S6 |
| 2.CB.50 | 'Zincselenide' | ZnSe |
| 2.CB.50 | Wassonite | TiS |
| 2.CB.52 | 'Dzhezkazganite' | ReMoCu2PbS6 ? |
| 2.CB.55b | Isocubanite | CuFe2S3 |
| 2.CB.55a | Cubanite | CuFe2S3 |
| 2.CB.60 | Raguinite | TlFeS2 |
| 2.CB.60 | Picotpaulite | TlFe2S3 |
| 2.CB.65 | Argentopyrite | AgFe2S3 |
| 2.CB.65 | Sternbergite | AgFe2S3 |
| 2.CB.70 | Sulvanite | Cu3VS4 |
| 2.CB.75 | Vulcanite | CuTe |
| 2.CB.80 | Empressite | AgTe |
| 2.CB.85 | Muthmannite | AuAgTe2 |
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 Lautite
mindat.org URL:
https://www.mindat.org/min-2348.html
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References for Lautite
Reference List:
Craig, D. C., Stephenson, N. C. (1965) The crystal structure of lautite, CuAsS. Acta Crystallographica, 19 (4) 543-547 doi:10.1107/s0365110x65003869
Localities for Lautite
Showing 48 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 | |
| Patagonia Gold plc |
Austria | |
| Paar et al. (1979) +1 other reference |
| Paar et al. (1979) | |
Bosnia and Herzegovina | |
| JURKOVIĆ (1986) |
Canada | |
| Chen et al. (1978) |
Chile | |
| Gerhard Möhn Collection |
China | |
| Anthony |
| Licheng Tang (1989) +1 other reference |
| Jiajun Liu et al. (1995) |
| Zhenghua Hu et al. (2012) |
| Feng Ding et al. (2012) |
Czech Republic | |
| Hloušek et al. (2002) |
| Krátký et al. (2026) |
France | |
| Bari (1982) |
| De Bondt (n.d.) |
| Dana 7:I:327. |
| This mine worked the same vein as Gabe ... +2 other references | |
Germany | |
| Walenta (1992) |
| Walenta (1992) |
| |
| |
| Walenta (1992) +1 other reference | |
| Walenta (1996) |
| Fettel (1997) |
| Nickel et al. (1985) +1 other reference | |
| |
| A. Frenzel (1881) |
| Lapis (2008) |
| X-ray diffraction analysis +1 other reference |
Hungary | |
| Földessy et al. (2008) |
India | |
| Deb (1980) |
Iran | |
| Mehrabi et al. (1999) +1 other reference |
| Mousavi Motlagh et al. (2019) |
Kazakhstan | |
| Nikolaeva (2022) |
Namibia | |
| Dunn (1991) |
Peru | |
| EDS and EMPA-WDS analyzed Frank Keutsch |
| Frank Keutsch analysis | |
Poland | |
| Lis et al. (1986) |
| Piestrzyński et al. (2012) | |
| Kucha H. 2007: Mineralogia kruszcowa i ... |
Romania | |
| Hirtopanu (2006) |
| HÎRTOPANU et al. (2025) |
Spain | |
| Carmona Ruiz +2 other references |
Switzerland | |
| Hügi et al. (1967) |
Tonga | |
| Wendt (2013) |
| Wendt (2013) | |
USA | |
| Wenrich (1988) +1 other reference |
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Mundo Nuevo Mine, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad, Peru