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Kostovite

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About KostoviteHide

Ivan Kostov Nikolov
Formula:
CuAuTe4
Colour:
Grayish white
Lustre:
Metallic
Hardness:
2 - 2½
Specific Gravity:
07.94 (Calculated)
Crystal System:
Orthorhombic
Name:
Named by Georgy Terziev in 1966 in honor of Ivan Kostov Nikolov (24 December 1913, Plovdiv, Bulgaria - 31 March 2004, Sofia, Bulgaria), geologist, mineralogist and crystallographer at Sofia University and earlier at London Imperial College. He was President of the International Mineralogical Association from 1982–1986.
This page provides mineralogical data about Kostovite.


Classification of KostoviteHide

Approved
2.EA.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
A : M:S = 1:2 - With Cu, Ag, Au
2.12.13.4

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.3.3

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

Physical Properties of KostoviteHide

Metallic
Transparency:
Opaque
Colour:
Grayish white
Hardness:
2 - 2½ on Mohs scale
Hardness:
VHN25=0180 - 0186 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Distinct/Good
Distinct in one direction
Density:
07.94 g/cm3 (Calculated)

Optical Data of KostoviteHide

Type:
Anisotropic
Anisotropism:
Distinct: pinkish grayish brown, yellowish gray, brownish gray and reddish hues.
Colour in reflected light:
Creamy white
Pleochroism:
Visible
Comments:
light creamy white (lighter)
to light creamy brownish (darker)

Chemical Properties of KostoviteHide

Formula:
CuAuTe4
IMA Formula:
AuCuTe4
Common Impurities:
Ag,Fe,Sb,S

Crystallography of KostoviteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 16.5 Å, b = 8.84 Å, c = 4.42 Å
Ratio:
a:b:c = 1.867 : 1 : 0.5
Unit Cell V:
644.70 ų (Calculated from Unit Cell)
Z:
4
Morphology:
20-50 micron equant to slightly elongated grains.
Twinning:
Fine lamellar

Type Occurrence of KostoviteHide

Place of Conservation of Type Material:
Geologicai Institute of the Bulgarian Academy of Sciences and at the
University of Sofia, as well as in the Mineralogical Museum of the Academy
of Sciences of the USSR and the Mineragraphic Laboratory of
IGEM (Institute of Geology of the Ore Deposits,P
Geological Setting of Type Material:
Replacement copper deposit

Synonyms of KostoviteHide

Other Language Names for KostoviteHide

German:Kostovit
Simplified Chinese:针碲金铜矿
Spanish:Kostovita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Gold1 photo of Kostovite associated with Gold on mindat.org.
Weissite1 photo of Kostovite associated with Weissite on mindat.org.
Pyrite1 photo of Kostovite associated with Pyrite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.EA.05Sylvanite(Au,Ag)2Te4Mon. 2/m : P2/b
2.EA.10CalaveriteAuTe2Mon.
2.EA.15KrenneriteAu3AgTe8Orth. mm2 : Pma2
2.EA.20BerndtiteSnS2Trig. 3m (3 2/m) : P3m1
2.EA.20KitkaiteNiTeSeTrig.
2.EA.20MeloniteNiTe2Trig.
2.EA.20Merenskyite(Pd,Pt)(Te,Bi)2Trig. 3m : P3m1
2.EA.20Moncheite(Pt,Pd)(Te,Bi)2Trig.
2.EA.20ShuangfengiteIrTe2Trig.
2.EA.20SudovikovitePtSe2Trig.
2.EA.25VerbeekitePdSe2Mon.
2.EA.30DrysdalliteMo(Se,S)2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
2.EA.30JordisiteMoS2
2.EA.30MolybdeniteMoS2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
2.EA.30TungsteniteWS2Trig. 3m : R3m

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

2.12.13.1KrenneriteAu3AgTe8Orth. mm2 : Pma2
2.12.13.2CalaveriteAuTe2Mon.
2.12.13.3Sylvanite(Au,Ag)2Te4Mon. 2/m : P2/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.3.1CalaveriteAuTe2Mon.
3.3.2KrenneriteAu3AgTe8Orth. mm2 : Pma2
3.3.4UytenbogaardtiteAg3AuS2Trig. 3m (3 2/m) : R3c
3.3.5FischesseriteAg3AuSe2Iso. 4 3 2 : I41 3 2
3.3.6PetrovskaiteAuAg(S,Se)Mon.
3.3.7PetziteAg3AuTe2Iso. 4 3 2 : I41 3 2
3.3.8MuthmanniteAuAgTe2Mon. 2/m : P2/m
3.3.9Sylvanite(Au,Ag)2Te4Mon. 2/m : P2/b
3.3.10Penzhinite(Ag,Cu)4Au(S,Se)4Hex.
3.3.11Bezsmertnovite(Au,Ag)4Cu(Te,Pb)Orth.
3.3.12BilibinskitePbCu2Au3Te2Iso.
3.3.13Bogdanovite(Au,Te,Pb)3(Cu,Fe)Iso.
3.3.14Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38Tric.

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 KostoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Terziev, G. (1966) Kostovite, a gold-copper telluride from Bulgaria. American Mineralogist: 51: 29-36.
Fleischer, M. (1969) New mineral names. American Mineralogist: 54: 326-330.
Bowell, R.J., Foster, R.P., Stanley, C.J. (1990) Telluride mineralization at Ashanti Gold Mine, Ghana. Mineralogical Magazine: 54: 617-627.
Ivan, K., Bonev, R.P., Cook, N.J., Ciobanu, C.L. (2005) Kostovite and its argentian varieties: Deposits and mineral associations. Geochemistry, Mineralogy and Petrology: 42: 1-22.

Internet Links for KostoviteHide

Localities for KostoviteHide

ⓘ - 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.
Australia
 
  • Western Australia
Frank Keutsch (reflected light and SEM/EDS study)
      • Kalgoorlie-Boulder
Noble, R.J. (2017), The Golden Mile, Australian Journal of Mineralogy, Vol 18 (1), June 2017 pp 11
Noble, R.J. (2017), The Golden Mile, Australian Journal of Mineralogy, Vol. 18 (1), pp 14, June 2017
Bulgaria (TL)
 
  • Sofiya Oblast (Sofia Oblast)
    • Chelopech
Geol. Ore deposit (1966) no. 3, p. 37; Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Econ.Geol.: 83; 395-404
China
 
  • Shandong Province
    • Linyi Prefecture
      • Pingyi Co.
        • Tongshi complex
Anthony, J.W., et al.: Handbook of Mineralogy
Fiji
 
  • Vanua Levu
    • Wailevu
      • Yanawai Goldfield
Naden, Jon; Henney, P.J.. 1995 Characterisation of gold from Fiji. Nottingham, UK, British Geological Survey, 58pp. (WC/95/041) (Unpublished)
Finland
 
  • Western and Inner Finland Region
    • Orivesi
Economic Geology (1996) 91:1335-1353
Ghana
 
  • Western Region
    • Ashanti gold belt
      • Obuasi
Mineralogical Magazine 1990 54 : 617-627
Greece
 
  • Aegean Islands Department (Aiyaíon)
    • Kykládes Prefecture
      • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
        • Tinos Island
Ref.: Bernard, H. & Hyrsl, J., Minerals and Their Localities, 2004; Bonev, I.K.; Petrunov, R.; Cook, N. J.; Ciobanu, C. L. (2005): Kostovite and its argentian varieties: Deposits and mineral associations. Bulgarian Academy of Sciences, Geochemistry, Mineralogy and Petrology. 42, 1-22
Japan
 
  • Honshu Island
    • Chubu Region
      • Shizuoka Prefecture
        • Shimoda City
          • Rendaiji
Int Geol Congr (2008) Oslo. MRD-09
Mexico
 
  • Sonora
    • Mun. de Moctezuma
Lapis 2001(1), 11-40
Bonev, I. K., Petrunov, R., Cook, N. J., & Ciobanu, C. L. (2005). Kostovite and its argentian varieties: Deposits and mineral associations. Geochem. Mineral. Petrol.(Bulg. Acad. Sci.), 42, 1-22.
Papua New Guinea
 
  • Eastern Highlands Province
    • Kainantu
ESPI, Joseph O., SPRY, Paul G., HAYASHI, Ken-ichiro, KOMURO, Kosei, and MURAKAMI, HiroyasuTHE BILIMOIA AU-BI-W-TE DEPOSIT, KAINANTU, PAPUA NEW GUINEA: GEOLOGY, MINERALOGY, AND CONDITIONS OF FORMATION 2006, Geological Society of America, Philadelphia Annual Meeting (22–25 October 2006) ; Espi, J. O., Hayashi, K. I., Komuro, K., Kajiwara, Y., & Murakami, H. (2005). The Bilimoia gold deposit, Kainantu, Papua New Guinea: A fault-controlled, lode-type, synorogenic tellurium-rich quartz-gold vein system. In Mineral Deposit Research: Meeting the Global Challenge (pp. 941-944). Springer Berlin Heidelberg.
Romania
 
  • Hunedoara Co.
    • Deva
      • Bocşa Mare
Bonev, I.K.; Petrunov, R.; Cook, N. J.; Ciobanu, C. L. (2005): Kostovite and its argentian varieties: Deposits and mineral associations. Bulgarian Academy of Sciences, Geochemistry, Mineralogy and Petrology. 42, 1-22
Russia
 
  • Kamchatka Oblast
    • Central Kamchatka mining district
Bonev, I. K., Petrunov, R., Cook, N. J., & Ciobanu, C. L. (2005). Kostovite and its argentian varieties: Deposits and mineral associations. Geochem. Mineral. Petrol.(Bulg. Acad. Sci.), 42, 1-22.
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast
        • Sosnovskiy rayon
          • Pervomayskiy
Lehmann, B., Heinhorst, J., Hein, U., Neumann, M., Weisser, J.D., and Fedesejev, V. (1999): Mineralium Deposita 34, 241-249.; Bonev, I. K., Petrunov, R., Cook, N. J., & Ciobanu, C. L. (2005). Kostovite and its argentian varieties: Deposits and mineral associations. Geochem. Mineral. Petrol.(Bulg. Acad. Sci.), 42, 1-22.
Sweden
 
  • Värmland
    • Arvika
      • Glava
Bonev, I.K.; Petrunov, R.; Cook, N. J.; Ciobanu, C. L. (2005): Kostovite and its argentian varieties: Deposits and mineral associations. Bulgarian Academy of Sciences, Geochemistry, Mineralogy and Petrology. 42, 1-22
Tajikistan
 
  • Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad)
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; GEOCHMISTRY, MINERALOGY AND PETROLOGY • 4 3 • SOFIA pp 69-74; Bonev, I. K., Petrunov, R., Cook, N. J., & Ciobanu, C. L. (2005). Kostovite and its argentian varieties: Deposits and mineral associations. Geochem. Mineral. Petrol.(Bulg. Acad. Sci.), 42, 1-22.; Kovalenker, V. A., Safonov, Y. G., Naumov, V. B., & Rusinov, V. L. (1997). The Epithermal Gold-Telluride Kochbulak Deposit. Geology of Ore Deposits C/C of Geologiia Rudnykh Mestorozhdenii, 39, 107-128.
USA
 
  • Arizona
    • Cochise Co.
      • Mule Mts
        • Warren District
[MinRec 24:421]
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 269; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.; Bonev, I. K., Petrunov, R., Cook, N. J., & Ciobanu, C. L. (2005). Kostovite and its argentian varieties: Deposits and mineral associations. Geochem. Mineral. Petrol.(Bulg. Acad. Sci.), 42, 1-22.
  • Colorado
    • Gunnison Co.
      • Vulcan District (Cebolla District; Domingo District)
        • Vulcan
Frank Keutsch collection, polished section SEM/EDS and reflected light
    • Lake Co.
      • Alicante
        • Buckeye Gulch
Minerals of Colorado (1997) Eckel, E. B.
Uzbekistan
 
  • Tashkent Viloyati (Toshkent)
    • Angren Region
      • Chatkal-Kuraminskii Range
Eleonora A. Dunin-Barkovskaya, Umid K. Aripov, L.A. Tsoy, M.A. Kim (2005) Mineralogical features and ore-forming conditions of goldbearing deposits of Uzbekistan. GEOCHMISTRY, MINERALOGY AND PETROLOGY 43 SOFIA pp 69-74
Zimbabwe
 
  • Mashonaland West
    • Kadoma District
Econ.Geol.: 83; 395-404; Bonev, I. K., Petrunov, R., Cook, N. J., & Ciobanu, C. L. (2005). Kostovite and its argentian varieties: Deposits and mineral associations. Geochem. Mineral. Petrol.(Bulg. Acad. Sci.), 42, 1-22.
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