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Kutinaite

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Jan Kutina
Formula:
Ag6Cu14As7
System:
Isometric
Colour:
Grey, greyish-white, ...
Lustre:
Metallic
Hardness:
Name:
Named in 1970 by J. Hak, Z. Johan, and Brian J. Skinner in honor of Dr. Jan Kutina (1924, Prague - 14 August 2008, Maryland, USA), geologist. He held academic positions at the Charles University in Prague and in the USA and Japan. His specialty was ore deposits and metallogenic research.
Restudy of the type material is necessary (Bindi & Makovicky, 2015).


Classification of Kutinaite

Approved
2.AA.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
A : Alloys of metalloids with Cu, Ag, Au
2.2.2.2

2 : SULFIDES
2 : AmBnXp, with (m+n):p = 3:1
1.40

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

Physical Properties of Kutinaite

Metallic
Colour:
Grey, greyish-white, blue-grey
Hardness (Mohs):

Optical Data of Kutinaite

Type:
Isotropic

Chemical Properties of Kutinaite

IMA Formula:
Ag6Cu14As7
Mindat.org Formula:
Ag6Cu14As7

Bindi & Makovicky (2015) suggest the formula (K,Tl)0.25Cu14Ag6As6.75.
Originally assumed to be Cu2AgAs.
Elements listed in formula:

Crystallography of Kutinaite

Crystal System:
Isometric

Type Occurrence of Kutinaite

Relationship of Kutinaite to other Species

2.AA.Domeykite-βCu3As
2.AA.10aAlgodoniteCu1-xAsx (x ~0.15)
2.AA.10bDomeykiteCu3As
2.AA.10dKoutekiteCu5As2
2.AA.15Novákite(Cu,Ag)21As10
2.AA.20CuprostibiteCu2(Sb,Tl)
2.AA.30AllargentumAg1-xSbx (x=0.09-0.16)
2.AA.35DyscrasiteAg3+xSb1-x (x~0.2)
2.AA.40MaldoniteAu2Bi
2.AA.45StistaiteSnSb
1.1CopperCu
1.2SilverAg
1.5GoldAu
1.6AuricuprideCu3Au
1.7Tetra-auricuprideCuAu
1.8ZincZn
1.9CadmiumCd
1.10DanbaiteCuZn2
1.11ZhanghengiteCuZn
1.12MercuryHg
1.13KolymiteCu7Hg6
1.14MoschellandsbergiteAg2Hg3
1.15EugeniteAg11Hg2
1.16SchachneriteAg1.1Hg0.9
1.17ParaschachneriteAg1.2Hg0.8
1.18LuanheiteAg3Hg
1.19Weishanite(Au,Ag)1.2Hg0.8
1.20IndiumIn
1.21AluminiumAl
1.22Khatyrkite(Cu,Zn)Al2
1.23CupaliteCuAl
1.24DiamondC
1.25GraphiteC
1.26ChaoiteC
1.27LonsdaleiteC
1.28SiliconSi
1.29TinSn
1.30LeadPb
1.31AnyuiiteAuPb2
1.31NovodnepriteAuPb3
1.32LeadamalgamPb0.7Hg0.3
1.33ArsenicAs
1.34ArsenolampriteAs
1.35PaxiteCuAs2
1.36KoutekiteCu5As2
1.37DomeykiteCu3As
1.38AlgodoniteCu1-xAsx (x ~0.15)
1.39Novákite(Cu,Ag)21As10
1.41AntimonySb
1.42StibarsenSbAs
1.43ParadocrasiteSb3As
1.44HorsforditeCu, Sb
1.45CuprostibiteCu2(Sb,Tl)
1.46AllargentumAg1-xSbx (x=0.09-0.16)
1.47AurostibiteAuSb2
1.48DyscrasiteAg3+xSb1-x (x~0.2)
1.49BismuthBi
1.50MaldoniteAu2Bi
1.51SulphurS
1.52RosickýiteS
1.53SeleniumSe
1.54TelluriumTe
1.55ChromiumCr
1.56RheniumRe
1.57IronFe
1.58ChromferideFe1.5Cr0.2
1.59FerchromideCr1.5Fe0.2
1.60WairauiteCoFe
1.61NickelNi
1.62Kamacite(Fe,Ni)
1.63Taenite(Ni,Fe)
1.64TetrataeniteFeNi
1.65AwaruiteNi3Fe
1.66PalladiumPd
1.67PotaritePdHg
1.68PaolovitePd2Sn
1.69StannopalladinitePd3Sn2
1.70CabriitePd2CuSn
1.71Taimyrite(Pd,Cu,Pt)3Sn
1.72AtokitePd3Sn
1.73RustenburgitePt3Sn
1.74ZvyagintsevitePd3Pb
1.75PlumbopalladinitePb2Pd3
1.76OsmiumOs
1.77IridiumIr
1.82PlatinumPt
1.83HongshiitePtCu
1.84NiggliitePtSn
1.85IsoferroplatinumPt3Fe
1.86TetraferroplatinumPtFe
1.87TulameeniteCuFePt2
1.88FerronickelplatinumPt2FeNi
1.89RhodiumRh

Other Names for Kutinaite

Name in Other Languages:
German:Kutínait
Simplified Chinese:方砷铜银矿
Spanish:Kutínaita
Traditional Chinese:方砷銅銀礦

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 Kutinaite

Reference List:
Hak, J., Johan, Z., Skinner, B.J. (1970) Kutinaite; a new copper-silver arsenide mineral from Černý Důl, Czechoslovakia. American Mineralogist: 55: 1083-1087.

Makovicky, M.; Rose-Hansen, J.; Skinner, B. J. (1979): Phases and phase relations in the system Cu–Ag–As at 500, 400 and 350°C. Neues Jahrb. Mineral., Abh. 135, 221-269.

Johan, Z. (1985): The Černý Důl deposit (Czechoslovakia): an example of Ni-, Fe-, Ag-, and Cu-arsenide mineralization with extremely high activity of arsenic; new data on paxite, novakite and kutinaite. Tschermaks Mineralogische und Petrographische Mitteilungen 34, 167-182.

Karanović, L., Poleti, D., Makovicky, E., Balić-Zunić, T., Makovicky, M. (2002) The crystal structure of synthetic kutinaite, Cu14Ag6As7. Canadian Mineralogist: 40: 1437-1449.

Bindi, L., Makovicky, E. (2015) Crystal structure and chemistry of natural kutinaite from Černý Důl, Krkonoše, Czech Republic. Mineralogical Magazine: 79: 1099-1109.

Internet Links for Kutinaite

mindat.org URL:
https://www.mindat.org/min-2298.html
Please feel free to link to this page.

Localities for Kutinaite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Canada
 
  • Northwest Territories
    • Great Slave Lake
Harris, D. C. & Thorpe, R. I. (1985): Occurrence of copper arsenides in the East Arm area, Great Slave Lake, District of Mackenzie. Geological Survey of Canada Paper 85-1A, 713-716.
Czech Republic (TL)
 
  • Bohemia (Böhmen; Boehmen)
    • Hradec Králové Region
      • Krkonoše Mtn (Riesengebirge)
Amer. Min. (1970) 55, 1083-1087; Johan, Z. (1985): The Černý Důl deposit (Czechoslovakia): an example of Ni-, Fe-, Ag-, and Cu-arsenide mineralization with extremely high activity of arsenic; new data on paxite, novakite and kutinaite. Tschermaks Mineralogische und Petrographische Mitteilungen 34, 167-182.
France
 
  • Grand Est
    • Haut-Rhin
      • Doller Valley
        • Sewen
Picot, P. and Ruhlmann, F. (1978): Occurrence of high temperature copper arsenides in "granite des Ballons": (Southern Vosges, France). Bulletin de Minéralogie 101(5-6), 563-9 (in French).
  • Occitanie
    • Hérault
      • Lodève
No reference listed
Germany
 
  • Hesse
    • Odenwald
      • Mühltal
        • Nieder-Beerbach
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
Iran
 
  • Esfahan Province (Isfahan Province; Aspadana Province)
    • Nain County (Nayin County)
      • Anarak District
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
Kazakhstan
 
  • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
Sal'kov, S. A.; Abulgazina, S. D. (1990): First discovery of kutinaite in the USSR. Vestnik Akademii Nauk Kazakhskoi SSR 1990 (12), 81-82 (in Russian).
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