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Krutovite

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Potûčky (Breitenbach), Horní Blatná (Platten) District, Jáchymov (St Joachimsthal) District, Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
© Norman King




Formula:
NiAs
 
2
System:IsometricColour:Greyish-white
Lustre:MetallicHardness:5½
Member of:Pyrite Group
Name:For Russian mineralogist and geologist, Georgy Alexeevich Krutov (1902-1989).
Polymorph of:Pararammelsbergite, Rammelsbergite
This page provides mineralogical data about Krutovite.

Classification of Krutovite

IMA status:Approved 1975
Strunz 8th edition ID:2/D.19-10
Nickel-Strunz 10th (pending) edition ID:2.EB.25

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.
Dana 8th edition ID:2.12.1.12

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
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Type Occurrence of Krutovite

Type Locality:Potûčky (Breitenbach), Horní Blatná (Platten) District, Jáchymov (St Joachimsthal) District, Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Year of Discovery:1976

Physical Properties of Krutovite

Lustre:Metallic
Colour:Greyish-white
Hardness (Mohs):5½

Crystallography of Krutovite

Crystal System:Isometric
Cell Parameters:a = 5.79Å
Unit Cell Volume:V 194.10 ų (Calculated from Unit Cell)

Optical Data of Krutovite

Type:Isotropic

Chemical Properties of Krutovite

Formula:
NiAs
 
2
Essential elements:As, Ni
All elements listed in formula:As, Ni
Common Impurities:Co,Fe,Cu,Sb,S

Relationship of Krutovite to other Species

Member of:Pyrite Group
Other Members of Group:

- +
Aurostibite
AuSb
 
2
Cattierite
CoS
 
2
Dzharkenite
FeSe
 
2
Erlichmanite
OsS
 
2
Fukuchilite
Cu
 
3
FeS
 
8
Gaotaiite
Ir
 
3
Te
 
8
Geversite
PtSb
 
2
Hauerite
MnS
 
2
Insizwaite
Pt(Bi,Sb)
 
2
Krut'aite
CuSe
 
2
Laurite
RuS
 
2
Mayingite
IrBiTe
Penroseite
(Ni,Co,Cu)Se
 
2
Pyrite
FeS
 
2
Sperrylite
PtAs
 
2
Trogtalite
CoSe
 
2
Vaesite
NiS
 
2
Villamaninite
(Cu,Ni,Co,Fe)S
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
2.EB.05aAurostibite
AuSb
 
2
2.EB.05bBambollaite
Cu(Se,Te)
 
2
2.EB.05aCattierite
CoS
 
2
2.EB.05aErlichmanite
OsS
 
2
2.EB.05aFukuchilite
Cu
 
3
FeS
 
8
2.EB.05aGeversite
PtSb
 
2
2.EB.05aHauerite
MnS
 
2
2.EB.05aInsizwaite
Pt(Bi,Sb)
 
2
2.EB.05aKrut'aite
CuSe
 
2
2.EB.05aLaurite
RuS
 
2
2.EB.05aPenroseite
(Ni,Co,Cu)Se
 
2
2.EB.05aPyrite
FeS
 
2
2.EB.05aSperrylite
PtAs
 
2
2.EB.05aTrogtalite
CoSe
 
2
2.EB.05aVaesite
NiS
 
2
2.EB.05aVillamaninite
(Cu,Ni,Co,Fe)S
 
2
2.EB.05aDzharkenite
FeSe
 
2
2.EB.05aGaotaiite
Ir
 
3
Te
 
8
2.EB.10bAlloclasite
Co
 
1-x
Fe
 
x
AsS
2.EB.10dCostibite
CoSbS
2.EB.10aFerroselite
FeSe
 
2
2.EB.10aFrohbergite
FeTe
 
2
2.EB.10cGlaucodot
(Co
 
0.50
Fe
 
0.50
)AsS
2.EB.10aKullerudite
NiSe
 
2
2.EB.10aMarcasite
FeS
 
2
2.EB.10aMattagamite
CoTe
 
2
2.EB.10eParacostibite
CoSbS
2.EB.10ePararammelsbergite
NiAs
 
2
2.EB.10fOenite
CoSbAs
2.EB.15aAnduoite
(Ru,Os)As
 
2
2.EB.15aClinosafflorite
(Co,Fe,Ni)As
 
2
2.EB.15aLöllingite
FeAs
 
2
2.EB.15aNisbite
NiSb
 
2
2.EB.15aOmeiite
(Os,Ru)As
 
2
2.EB.15cPaxite
CuAs
 
2
2.EB.15aRammelsbergite
NiAs
 
2
2.EB.15aSafflorite
(Co,Fe,Ni)As
 
2
2.EB.15bSeinäjokite
(Fe,Ni)(Sb,As)
 
2
2.EB.20Arsenopyrite
FeAsS
2.EB.20Gudmundite
FeSbS
2.EB.20Osarsite
(Os,Ru)AsS
2.EB.20Ruarsite
(Ru,Os)AsS
2.EB.25Cobaltite
CoAsS
2.EB.25Gersdorffite
NiAsS
2.EB.25Hollingworthite
(Rh,Pt,Pd)AsS
2.EB.25Irarsite
(Ir,Ru,Rh,Pt)AsS
2.EB.25Jolliffeite
NiAsSe
2.EB.25Maslovite
PtBiTe
2.EB.25Michenerite
PdBiTe
2.EB.25Padmaite
PdBiSe
2.EB.25Platarsite
(Pt,Rh,Ru)AsS
2.EB.25Testibiopalladite
PdTe(Sb,Te)
2.EB.25Tolovkite
IrSbS
2.EB.25Ullmannite
NiSbS
2.EB.25Willyamite
(Co,Ni)SbS
2.EB.25Changchengite
IrBiS
2.EB.25Mayingite
IrBiTe
2.EB.25Hollingsworthite
2.EB.25Kalungaite
PdAsSe
2.EB.25Milotaite
PdSbSe
2.EB.30Urvantsevite
Pd(Bi,Pb)
 
2
2.EB.35Rheniite
ReS
 
2

Other Names for Krutovite

Synonyms:
IMA1975-009
Other Languages:
German:Krutovit
Russian:Крутовит
Spanish:Krutovita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Krutovite

Reference List:

- +
American Mineralogist (1977): 62: 173-174.

Internet Links for Krutovite

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  • Raman and XRD data at RRUFF project
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  • Krutovite details from Handbook of Mineralogy (PDF)
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    • Localities for Krutovite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
            • Horní Blatná (Platten) District
    		[ZVMO,(1976) 105, 59-71,71-85; Nickel & Nichols, 1991]
    Lapis 2002(7/8), 63-65
    Germany
     
    • Hesse
      • Odenwald
        • Mühltal
          • Nieder-Ramstadt
    		PETITJEAN collection
    Russia
     
    • Eastern-Siberian Region
      • Tuva Republic
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    • Northern Caucasus Region
      • Adygea (Adygeya) Republic
    		Pavel M. Kartashov data
    • Urals Region
      • Southern Urals
        • Orenburgskaya Oblast'
          • Gay
    		Zaikov, V.V., and Melekestseva, I.Y. (2006): Geology of Ore Deposits 48(3), 151-174.
    Slovakia
     
    • Košice Region
      • Rožňava Co.
        • Dobšiná (Dobschau) Mining District
    		Chovan M. & Ozdín D., 2003: Chemical composition of Ni, Co and Fe sulphoarsenides and arsenides in siderite veins in the Western Carpathians (Slovakia). Acta Min.-Petr., Abstract Series 1 (Szeged), 1, 19.
    • Žilina Region
      • Liptovský Mikuláš Co.
    		Ozdin D., Chovan M., 1999: New mineralogical and paragenetic knowledge about siderite veins in the vicinity of Vyšná Boca, Nízke Tatry Mts. Slov. Geol. Magazine, Bratislava, 5, 4, 255-271
    Ozdín D. & Chovan M., 1999: New mineralogical and paragenetic knowledge about siderite veins in the vicinity of Vyšná Boca, Nízke Tatry Mts. Slovak Geological Magazine, 5, 4, 255-271.
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    Updated Mineral Entry: BykovaiteFrom Van King, 17th Feb 2012 19:50:20