Krut'aite
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About Krut'aite
Tomáš J. Kruťa
Formula:
CuSe2
Hardness:
4
Crystal System:
Isometric
Member of:
Name:
Named in 1972 by Zdenek Johan, Paul Picot, Roland Pierrot, and Milan Kvacek in honor of Tomáš Josef Kruťa (14 February 1906, Brno, Czech Republic – 18 January 1998, Brno, Czech Republic), mineralogist and mineral collector. He was Director of the Mineralogy Laboratory, Moravian Museum, Brno, Czech Republic and wrote a couple books about minerals from the area.
Type Locality:
Dimorph of:
Classification of Krut'aite
Approved
2/D.17-70
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.
2.12.1.8
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.1.15
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
Physical Properties of Krut'aite
Hardness:
4 on Mohs scale
Chemical Properties of Krut'aite
Formula:
CuSe2
Elements listed:
Common Impurities:
Co,Ni,Fe,Hg
Crystallography of Krut'aite
Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Pa3
Cell Parameters:
a = 6.06 Å
Unit Cell V:
222.55 ų (Calculated from Unit Cell)
Z:
4
Comment:
Pa-3
Type Occurrence of Krut'aite
Synonyms of Krut'aite
Other Language Names for Krut'aite
Relationship of Krut'aite 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. |
| 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 |
| Laurite | RuS2 | 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 |
| Villamaninite | (Cu,Ni,Co,Fe)S2 | Tric. |
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
| 4 photos of Krut'aite associated with Chalcomenite | CuSeO3 · 2H2O |
| 1 photo of Krut'aite associated with Kerstenite | |
| 1 photo of Krut'aite associated with Ahlfeldite | Ni(SeO3) · 2H2O |
| 1 photo of Krut'aite associated with Alfredopetrovite | Al2(Se4+O3)3 · 6H2O |
| 1 photo of Krut'aite associated with Felsőbányaite | Al4(SO4)(OH)10 · 4H2O |
Related Minerals - Nickel-Strunz Grouping
| 2.EB.05a | Aurostibite | AuSb2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05b | Bambollaite | Cu(Se,Te)2 | Tet. |
| 2.EB.05a | Cattierite | CoS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Erlichmanite | OsS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Fukuchilite | Cu3FeS8 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Geversite | PtSb2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Hauerite | MnS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Insizwaite | Pt(Bi,Sb)2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Laurite | RuS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Penroseite | (Ni,Co,Cu)Se2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Pyrite | FeS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Sperrylite | PtAs2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Trogtalite | CoSe2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Vaesite | NiS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Villamaninite | (Cu,Ni,Co,Fe)S2 | Tric. |
| 2.EB.05a | Dzharkenite | FeSe2 | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.05a | Gaotaiite | Ir3Te8 | Iso. |
| 2.EB.10b | Alloclasite | Co1-xFexAsS | Mon. 2 : P21 |
| 2.EB.10d | Costibite | CoSbS | Orth. mm2 : Pmn21 |
| 2.EB.10a | Ferroselite | FeSe2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| 2.EB.10a | Frohbergite | FeTe2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| 2.EB.10c | Glaucodot | (Co0.50Fe0.50)AsS | Orth. mm2 : Pmn21 |
| 2.EB.10a | Kullerudite | NiSe2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| 2.EB.10a | Marcasite | FeS2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| 2.EB.10a | Mattagamite | CoTe2 | Orth. |
| 2.EB.10e | Paracostibite | CoSbS | Orth. |
| 2.EB.10e | Pararammelsbergite | NiAs2 | Orth. mmm (2/m 2/m 2/m) : Pbca |
| 2.EB.10f | Oenite | CoSbAs | Orth. |
| 2.EB.15a | Anduoite | (Ru,Os)As2 | Orth. |
| 2.EB.15a | Clinosafflorite | CoAs2 | Mon. 2/m : P21/m |
| 2.EB.15a | Löllingite | FeAs2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| 2.EB.15a | Nisbite | NiSb2 | Orth. |
| 2.EB.15a | Omeiite | (Os,Ru)As2 | Orth. |
| 2.EB.15c | Paxite | CuAs2 | Mon. |
| 2.EB.15a | Rammelsbergite | NiAs2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| 2.EB.15a | Safflorite | (Co,Ni,Fe)As2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| 2.EB.15b | Seinäjokite | (Fe,Ni)(Sb,As)2 | Orth. |
| 2.EB.20 | Arsenopyrite | FeAsS | Mon. 2/m : P21/b |
| 2.EB.20 | Gudmundite | FeSbS | Mon. 2/m : P21/b |
| 2.EB.20 | Osarsite | (Os,Ru)AsS | Mon. |
| 2.EB.20 | Ruarsite | (Ru,Os)AsS | Mon. |
| 2.EB.25 | Cobaltite | CoAsS | Orth. mm2 : Pca21 |
| 2.EB.25 | Gersdorffite | NiAsS | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.25 | Hollingworthite | (Rh,Pt,Pd)AsS | Iso. m3 (2/m 3) |
| 2.EB.25 | Irarsite | (Ir,Ru,Rh,Pt)AsS | Iso. |
| 2.EB.25 | Jolliffeite | NiAsSe | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.25 | Krutovite | NiAs2 | Iso. |
| 2.EB.25 | Maslovite | PtBiTe | Iso. 2 3 : P21 3 |
| 2.EB.25 | Michenerite | PdBiTe | Iso. 2 3 : P21 3 |
| 2.EB.25 | Padmaite | PdBiSe | Iso. |
| 2.EB.25 | Platarsite | PtAsS | Iso. |
| 2.EB.25 | Testibiopalladite | PdTe(Sb,Te) | Iso. |
| 2.EB.25 | Tolovkite | IrSbS | Iso. |
| 2.EB.25 | Ullmannite | NiSbS | Iso. 2 3 : P21 3 |
| 2.EB.25 | Willyamite | CoSbS | |
| 2.EB.25 | Changchengite | IrBiS | Iso. |
| 2.EB.25 | Mayingite | IrBiTe | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.25 | Hollingsworthite | (Rh,Pt,Pd)AsS | |
| 2.EB.25 | Kalungaite | PdAsSe | Iso. m3 (2/m 3) : Pa3 |
| 2.EB.25 | Milotaite | PdSbSe | Iso. 2 3 : P21 3 |
| 2.EB.30 | Urvantsevite | Pd(Bi,Pb)2 | Tet. |
| 2.EB.35 | Rheniite | ReS2 | Tric. |
Related Minerals - Dana Grouping (8th Ed.)
| 2.12.1.1 | Pyrite | FeS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.2 | Vaesite | NiS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.3 | Cattierite | CoS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.4 | Penroseite | (Ni,Co,Cu)Se2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.5 | Trogtalite | CoSe2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.6 | Villamaninite | (Cu,Ni,Co,Fe)S2 | Tric. |
| 2.12.1.7 | Fukuchilite | Cu3FeS8 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.9 | Hauerite | MnS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.10 | Laurite | RuS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.11 | Aurostibite | AuSb2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.12 | Krutovite | NiAs2 | Iso. |
| 2.12.1.13 | Sperrylite | PtAs2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.14 | Geversite | PtSb2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.15 | Insizwaite | Pt(Bi,Sb)2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.16 | Erlichmanite | OsS2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.17 | Dzharkenite | FeSe2 | Iso. m3 (2/m 3) : Pa3 |
| 2.12.1.18 | Gaotaiite | Ir3Te8 | Iso. |
| 2.12.1.19 | Mayingite | IrBiTe | Iso. m3 (2/m 3) : Pa3 |
Related Minerals - Hey's Chemical Index of Minerals Grouping
| 3.1.1 | Chalcocite | Cu2S | Mon. 2/m : P21/b |
| 3.1.2 | Djurleite | Cu31S16 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| 3.1.3 | Digenite | Cu9S5 | Trig. 3m (3 2/m) : R3m |
| 3.1.4 | Anilite | Cu7S4 | Orth. mmm (2/m 2/m 2/m) : Pnma |
| 3.1.5 | Roxbyite | Cu9S5 | Tric. 1 : P1 |
| 3.1.6 | Spionkopite | Cu39S28 | Hex. 6 2 2 |
| 3.1.7 | Geerite | Cu8S5 | Trig. 3 |
| 3.1.8 | Covellite | CuS | Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc |
| 3.1.9 | Berzelianite | Cu2Se | Iso. m3m (4/m 3 2/m) : Fm3m |
| 3.1.10 | Bellidoite | Cu2Se | Tet. 4/m : P42/n |
| 3.1.11 | Umangite | Cu3Se2 | Tet. |
| 3.1.12 | Yarrowite | Cu9S8 | Trig. 3m (3 2/m) : P3m1 |
| 3.1.13 | Athabascaite | Cu5Se4 | Orth. |
| 3.1.14 | Klockmannite | CuSe | Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc |
| 3.1.16 | Weissite | Cu2-xTe | Hex. |
| 3.1.17 | Rickardite | Cu7Te5 | Orth. |
| 3.1.18 | Vulcanite | CuTe | Orth. |
| 3.1.19 | Bambollaite | Cu(Se,Te)2 | Tet. |
| 3.1.20 | Lautite | CuAsS | Orth. mmm (2/m 2/m 2/m) : Pnma |
| 3.1.21 | Mgriite | Cu3AsSe3 | Iso. m3m (4/m 3 2/m) |
| 3.1.22 | Cubanite | CuFe2S3 | Orth. mmm (2/m 2/m 2/m) |
| 3.1.23 | Bornite | Cu5FeS4 | Orth. mmm (2/m 2/m 2/m) : Pbca |
| 3.1.24 | Fukuchilite | Cu3FeS8 | Iso. m3 (2/m 3) : Pa3 |
| 3.1.25 | Chalcopyrite | CuFeS2 | Tet. 4 2m : I4 2d |
| 3.1.26 | Mooihoekite | Cu9Fe9S16 | Tet. |
| 3.1.27 | Haycockite | Cu4Fe5S8 | Orth. 2 2 2 |
| 3.1.28 | Isocubanite | CuFe2S3 | Iso. m3m (4/m 3 2/m) : Fm3m |
| 3.1.29 | Idaite | Cu5FeS6 | Hex. |
| 3.1.30 | Nukundamite | Cu3.33Fe0.66S4 | Trig. 3m (3 2/m) : P3m1 |
| 3.1.31 | Putoranite | Cu1.1Fe1.2S2 | Iso. |
| 3.1.32 | Orickite | 2CuFeS2 · H2O | Hex. |
| 3.1.33 | Eskebornite | CuFeSe2 | Tet. |
| 3.1.34 | Chaméanite | (Cu,Fe)4As(Se,S)4 | Iso. |
| 3.1.35 | Talnakhite | Cu9(Fe,Ni)8S16 | Iso. 4 3m : I4 3m |
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.
References for Krut'aite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Johan, Z., Picot, P., Pierrot, R., Kvacek, M. (1972) La krutaïte, CuSe2, un nouveau minéral du groupe de la pyrite. Bulletin de la Société Française de Minéralogie et de Cristallographie: 95: 475-481.
Fleischer, M. (1974) New mineral names. American Mineralogist: 59: 208-212.
Kjekshus, A., Rakke, T., Andresen, A. (1974) Compounds of the marcasite type crystal structure. IX. Structural data for FeAs2, FeSe2, NiAs2, NiSb2, and CuSe2. Acta Chemica Scandinavica: A28: 996-1000.
Burke, E.A.J. (2008) Tidying up mineral names: an IMA-CNMNC scheme for suffixes, hyphens and diacritical marks. Mineralogical Record: 39: 131-135.
Internet Links for Krut'aite
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https://www.mindat.org/min-2279.html
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Localities for Krut'aite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for 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 | |
| Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina) |
| Paar, W.H. et al (1996) Revista de la Asociacion Geologica Argentina, 51, #4, 304-312. | |
| pers. comm. Frank Keutsch (ID: SEM/EDS refl. light); Grundmann, G., & Förster, H. J. (2018). The Sierra de Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina. Minerals, 8(4), 127. |
| Bindi, L., Förster, H.-J., Grundmann, G., Keutsch, F.N. and Stanley, C.J. (2016): Petříčekite, CuSe2, a new member of the marcasite group from the Předbořice Deposit, Central Bohemia Region, Czech Republic. Minerals 6(2), 33.; Grundmann, G., & Förster, H. J. (2018). The Sierra de Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina. Minerals, 8(4), 127. |
Bolivia | |
| [MinRec 21:133]; Grundmann, G. and Förster H.-J. (2017) Origin of the El Dragón Selenium Mineralization, Quijarro Province, Potosí, Bolivia. Minerals, 7(5), 68; doi:10.3390/min7050068 |
Brazil | |
| Menez, J.& Botelho, N.F. (2016): Ore characterization and textural relationships among gold, selenides, platinum group minerals, and uraninite at the granite-related Buraco do Ouro gold mine, Cavalcante, Central Brazil. Mineralogical Magazine: 80 (in press); http://forum.amiminerals.it/viewtopic.php?f=5&t=12684 (2016); Menez, J.; Botelho, N. F. (2017): Ore characterization and textural relationships among gold, selenides, platinum-group minerals and uraninite at the granite-related Buraco do Ouro gold mine, Cavalcante, Central Brazil. Mineralogical Magazine 81, 463-476. |
| Berni, G. V., Heinrich, C. A., Lobato, L. M., & Wall, V. (2016). Ore mineralogy of the Serra Pelada Au-Pd-Pt deposit, Carajás, Brazil and implications for ore-forming processes. Mineralium deposita, 51(6), 781-795. |
China | |
| Minzhi Yang (2000): Bulletin of Mineralogy, Petrology and Geochemistry 19(4), 381-383; Jianming Zhu and Baoshan Zheng (2002): Journal of the Graduate School of the Chinese Academy of Sciences 19(2), 219-221; Caixia Feng, Jiajun Liu, and Shen Liu (2002): Mineral Deposits 21(suppl.), 812-815; Linbo Yao and Zhenmin Gao (2002): Mineral Deposits 21(suppl.), 837-840; Handong Qian, Zhenghua Zhao, Xiang Zheng, Chengyi Lin, Jiahu Zeng, Xuemei Wu, and Wu Chen (2006): Acta Geologica Sinica 80(11), 1706-1710; Zhu, Jian-ming; Johnson, Thomas M.; Finkelman, Robert B.; Zheng, Bao-shan; Sykorova, Ivana; Pesek, Jiri (2012): The occurrence and origin of selenium minerals in Se-rich stone coals, spoils and their adjacent soils in Yutangba, China. Chemical Geology 330-331, 27-38. |
Czech Republic | |
| Bindi, L., Förster, H. J., Grundmann, G., Keutsch, F., & Stanley, C. (2016). Petříčekite, CuSe2, a New Member of the Marcasite Group from the Předbořice Deposit, Central Bohemia Region, Czech Republic. Minerals, 6(2), 33. |
| Kvaček, M.: Selenides from the deposits of Western Moravia, Czechoslovakia – Part II. Acta Universitatis Carolinae – Geologica, 1979, vol. 23, nos. 1-2, s. 15-38. ; Econ Geol (1997) 92:468-484 |
Germany | |
| Wittern: "Mineralfundorte in Deutschland", 2001 |
Jordan | |
| Pitty, A. F., & Alexander, W. R. (2010). A natural analogue study of cement buffered, hyperalkaline groundwaters and their interaction with a repository host rock IV: an examination of the Khushaym Matruk (central Jordan) and Maqarin (northern Jordan) sites. NDA-RWMD Technical Report, NDA, Moors Row, UK. |
USA | |
| Adams, P.M. (2016): Sulfide, selenium and rare earth mineralization in the Sulfate Stope, Santa Rosa Mine, Inyo County, California. 2016 Desert Symposium Field Guide and Proceedings, California State University, Desert Studies Consortium, 244-252.; Paul M. Adams (2017) The Santa Rosa mine, Inyo County, California. Minerlogical Record 48:755-777 |
El Dragón mine, Antonio Quijarro Province, Potosí, Bolivia