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Trogtalite

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About TrogtaliteHide

Formula:
CoSe2
Colour:
Rose-violet
Lustre:
Metallic
Hardness:
4½ - 5½
Member of:
Name:
Named after its discovery locality, Trogtal quarry, near Lautenthal, Harz, Germany.

Classification of TrogtaliteHide

Approved, 'Grandfathered' (first described prior to 1959)
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.
2.12.1.5

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.10.6

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
10 : Sulphides etc. of Co

Physical Properties of TrogtaliteHide

Metallic
Transparency:
Opaque
Colour:
Rose-violet
Hardness:
4½ - 5½ on Mohs scale

Chemical Properties of TrogtaliteHide

Formula:
CoSe2
Common Impurities:
Cu,Pd

Type Occurrence of TrogtaliteHide

Other Language Names for TrogtaliteHide

German:Trogtalit
Simplified Chinese:硬硒钴矿
Spanish:Trogtalita
Traditional Chinese:硬硒鈷礦

Relationship of Trogtalite to other SpeciesHide

Member of:
Other Members of this group:
AurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
CattieriteCoS2Iso. m3 (2/m 3) : Pa3
DzharkeniteFeSe2Iso.
ErlichmaniteOsS2Iso. m3 (2/m 3) : Pa3
FukuchiliteCu3FeS8Iso. m3 (2/m 3) : Pa3
GaotaiiteIr3Te8Iso.
GeversitePtSb2Iso. m3 (2/m 3) : Pa3
HaueriteMnS2Iso. m3 (2/m 3) : Pa3
InsizwaitePt(Bi,Sb)2
Krut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
LauriteRuS2Iso. m3 (2/m 3) : Pa3
Penroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
PyriteFeS2Iso. m3 (2/m 3) : Pa3
SperrylitePtAs2Iso. m3 (2/m 3) : Pa3
VaesiteNiS2Iso. m3 (2/m 3) : Pa3
Villamaninite(Cu,Ni,Co,Fe)S2
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
Oosterboschite6 photos of Trogtalite associated with Oosterboschite on mindat.org.
Cuprosklodowskite6 photos of Trogtalite associated with Cuprosklodowskite on mindat.org.
Quartz6 photos of Trogtalite associated with Quartz on mindat.org.
Derriksite1 photo of Trogtalite associated with Derriksite on mindat.org.
Demesmaekerite1 photo of Trogtalite associated with Demesmaekerite on mindat.org.
Cobaltomenite1 photo of Trogtalite associated with Cobaltomenite on mindat.org.
Chalcomenite1 photo of Trogtalite associated with Chalcomenite on mindat.org.
Dolomite1 photo of Trogtalite associated with Dolomite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.EB.05aAurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
2.EB.05bBambollaiteCu(Se,Te)2Tet.
2.EB.05aCattieriteCoS2Iso. m3 (2/m 3) : Pa3
2.EB.05aErlichmaniteOsS2Iso. m3 (2/m 3) : Pa3
2.EB.05aFukuchiliteCu3FeS8Iso. m3 (2/m 3) : Pa3
2.EB.05aGeversitePtSb2Iso. m3 (2/m 3) : Pa3
2.EB.05aHaueriteMnS2Iso. m3 (2/m 3) : Pa3
2.EB.05aInsizwaitePt(Bi,Sb)2
2.EB.05aKrut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
2.EB.05aLauriteRuS2Iso. m3 (2/m 3) : Pa3
2.EB.05aPenroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
2.EB.05aPyriteFeS2Iso. m3 (2/m 3) : Pa3
2.EB.05aSperrylitePtAs2Iso. m3 (2/m 3) : Pa3
2.EB.05aVaesiteNiS2Iso. m3 (2/m 3) : Pa3
2.EB.05aVillamaninite(Cu,Ni,Co,Fe)S2
2.EB.05aDzharkeniteFeSe2Iso.
2.EB.05aGaotaiiteIr3Te8Iso.
2.EB.10bAlloclasiteCo1-xFexAsSMon. 2 : P21
2.EB.10dCostibiteCoSbSOrth. mm2 : Pmn21
2.EB.10aFerroseliteFeSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aFrohbergiteFeTe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10cGlaucodot(Co0.50Fe0.50)AsSOrth. mm2 : Pmn21
2.EB.10aKulleruditeNiSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aMarcasiteFeS2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aMattagamiteCoTe2Orth.
2.EB.10eParacostibiteCoSbSOrth.
2.EB.10ePararammelsbergiteNiAs2Orth.
2.EB.10fOeniteCoSbAsOrth.
2.EB.15aAnduoite(Ru,Os)As2Orth.
2.EB.15aClinosaffloriteCoAs2Mon. 2/m : P21/m
2.EB.15aLöllingiteFeAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aNisbiteNiSb2Orth.
2.EB.15aOmeiite(Os,Ru)As2Orth.
2.EB.15cPaxiteCuAs2Mon.
2.EB.15aRammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aSafflorite(Co,Ni,Fe)As2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15bSeinäjokite(Fe,Ni)(Sb,As)2Orth.
2.EB.20ArsenopyriteFeAsSMon. 2/m : P21/b
2.EB.20GudmunditeFeSbSMon. 2/m : P21/b
2.EB.20Osarsite(Os,Ru)AsSMon.
2.EB.20Ruarsite(Ru,Os)AsSMon.
2.EB.25CobaltiteCoAsSOrth. mm2 : Pca21
2.EB.25GersdorffiteNiAsSIso. m3 (2/m 3) : Pa3
2.EB.25Hollingworthite(Rh,Pt,Pd)AsSIso. m3 (2/m 3)
2.EB.25Irarsite(Ir,Ru,Rh,Pt)AsSIso.
2.EB.25JolliffeiteNiAsSeIso. m3 (2/m 3) : Pa3
2.EB.25KrutoviteNiAs2Iso.
2.EB.25MaslovitePtBiTe
2.EB.25MicheneritePdBiTe
2.EB.25PadmaitePdBiSeIso.
2.EB.25PlatarsitePtAsSIso.
2.EB.25TestibiopalladitePdTe(Sb,Te)Iso.
2.EB.25TolovkiteIrSbSIso.
2.EB.25UllmanniteNiSbSIso. 2 3 : P21 3
2.EB.25Willyamite(Co,Ni)SbS
2.EB.25ChangchengiteIrBiSIso.
2.EB.25MayingiteIrBiTeIso.
2.EB.25Hollingsworthite(Rh,Pt,Pd)AsS
2.EB.25KalungaitePdAsSeIso. m3 (2/m 3) : Pa3
2.EB.25MilotaitePdSbSeIso. 2 3 : P21 3
2.EB.30UrvantsevitePd(Bi,Pb)2Tet.
2.EB.35RheniiteReS2Tric.

Related Minerals - Dana Grouping (8th Ed.)Hide

2.12.1.1PyriteFeS2Iso. m3 (2/m 3) : Pa3
2.12.1.2VaesiteNiS2Iso. m3 (2/m 3) : Pa3
2.12.1.3CattieriteCoS2Iso. m3 (2/m 3) : Pa3
2.12.1.4Penroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
2.12.1.6Villamaninite(Cu,Ni,Co,Fe)S2
2.12.1.7FukuchiliteCu3FeS8Iso. m3 (2/m 3) : Pa3
2.12.1.8Krut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
2.12.1.9HaueriteMnS2Iso. m3 (2/m 3) : Pa3
2.12.1.10LauriteRuS2Iso. m3 (2/m 3) : Pa3
2.12.1.11AurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
2.12.1.12KrutoviteNiAs2Iso.
2.12.1.13SperrylitePtAs2Iso. m3 (2/m 3) : Pa3
2.12.1.14GeversitePtSb2Iso. m3 (2/m 3) : Pa3
2.12.1.15InsizwaitePt(Bi,Sb)2
2.12.1.16ErlichmaniteOsS2Iso. m3 (2/m 3) : Pa3
2.12.1.17DzharkeniteFeSe2Iso.
2.12.1.18GaotaiiteIr3Te8Iso.
2.12.1.19MayingiteIrBiTeIso.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.10.1Cobaltpentlandite(Co,Ni,Fe)9S8Iso. m3m (4/m 3 2/m) : Fm3m
3.10.2LinnaeiteCo2+Co3+2S4Iso.
3.10.3CattieriteCoS2Iso. m3 (2/m 3) : Pa3
3.10.4FrebolditeCoSeHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.10.5BornhardtiteCo2+Co3+2Se4Iso. m3m (4/m 3 2/m) : Fd3m
3.10.7HastiteFeSe2Orth.
3.10.8MattagamiteCoTe2Orth.
3.10.9Modderite(Co,Fe)AsOrth.
3.10.10Safflorite(Co,Ni,Fe)As2Orth. mmm (2/m 2/m 2/m) : Pnnm
3.10.11ClinosaffloriteCoAs2Mon. 2/m : P21/m
3.10.12SkutteruditeCoAs3Iso. m3 (2/m 3) : Im3
3.10.13CobaltiteCoAsSOrth. mm2 : Pca21
3.10.14ParacostibiteCoSbSOrth.
3.10.15CostibiteCoSbSOrth. mm2 : Pmn21
3.10.16AlloclasiteCo1-xFexAsSMon. 2 : P21
3.10.17Glaucodot(Co0.50Fe0.50)AsSOrth. mm2 : Pmn21
3.10.18CarrolliteCu(Co,Ni)2S4Iso. m3m (4/m 3 2/m) : Fd3m

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.

References for TrogtaliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ramdohr, P. (1955): Neues Jahrb. Monatsh. Mineral., 133-142.
American Mineralogist (1956): 41: 164-165.

Internet Links for TrogtaliteHide

Localities for TrogtaliteHide

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.

Locality ListHide

- 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). 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Argentina
 
  • La Rioja
    • General Lamadrid department
      • Villa Castelli
        • Sierra de Cacho
Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina)
    • Vinchina Department
Paar, W.H. et al (1996) Revista de la Asociacion Geologica Argentina, 51, #4, 304-312.
  • Mendoza
    • Luján de Cuyo department
      • Cacheuta
pers. comm. Frank Keutsch (ID: SEM/EDS refl. light)
Bolivia
 
  • Potosí Department
    • Antonio Quijarro Province
[MinRec 21:133]
Democratic Republic of the Congo
 
  • Katanga (Shaba)
    • Kambove District
      • Shinkolobwe
MinRec 20:287-288
    • Kolwezi District
      • Kolwezi
Gauthier, G. & Deliens, M. (1999): Cobalt minerals of the Katanga Crescent, Congo. Mineralogical Record 30 (4): 255-273; Roberts, A. C., Paar, W. H., Cooper, M. A., Topa, D., Criddle, A. J., & Jedwab, J. (2002). Verbeekite, monoclinic PdSe2, a new mineral from the Musonoi Cu-Co-Mn-U mine, near Kolwezi, Shaba Province, Democratic Republic of Congo. Mineralogical Magazine, 66(1), 173-179.; Wilson, W. E. (2018) The Musonoi mine, Kolwezi District, Lualaba Province, Democratic Republic of the Congo. Mineralogical Record 49:236-304
Germany (TL)
 
  • Lower Saxony
    • Harz
      • Lautenthal
Am. Mineral. (1956) 41, 164-165; Neues Jahrb. Mineral., Monatsh. (1955) 133–142; Weiss: "Mineralfundstellen, Deutschland West", 1990
  • Saxony-Anhalt
    • Harz
      • Gernrode
        • Rieder
Heider, J. & Siemroth, J. (2012): Die Selenidmineralisation im Grauwacke-Tagebau Rieder bei Gernrode, Harz. Aufschluss, 63, 213-223.
Wittern: "Mineralfundorte in Deutschland", 2001; Tischendorf, G. (1969). Sources of elements in selenide mineralization near Tilkerode (Harz). International Geology Review, 11(11), 1298-1301.
Mineral and/or Locality  
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