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Nukundamite

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Big Photo

Ronneburg U deposit, Gera, Thuringia, Germany
© Thomas Witzke

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Formula:
(Cu,Fe)
 
4
S
 
4
System:TrigonalHardness:3½


May be confused with idaite.

Classification of Nukundamite

IMA status:Approved
Strunz 8th edition ID:2/C.22-40
Nickel-Strunz 10th (pending) edition ID:2.CA.10

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
A : With Cu
Dana 8th edition ID:2.9.15.1

2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1
Hey's CIM Ref.:3.1.30

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
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Type Occurrence of Nukundamite

Type Locality:Undu mine ("Udu mine"), Nukundamu, Vanua Levu, Fiji
Year of Discovery:1979

Physical Properties of Nukundamite

Hardness (Mohs):3½

Crystallography of Nukundamite

Crystal System:Trigonal
Class (H-M):3m (3 2/m) - Hexagonal Scalenohedral
Space Group:P3m1 {P3 2/m 1}
Cell Parameters:a = 3.782(4) Å, c = 11.187(8) Å
Ratio:a:c = 1 : 2.958
Unit Cell Volume:V 138.58 ų (Calculated from Unit Cell)
Z:1

Chemical Properties of Nukundamite

Formula:
(Cu,Fe)
 
4
S
 
4
Essential elements:Cu, S
All elements listed in formula:Cu, Fe, S
Common Impurities:Ag,As

Relationship of Nukundamite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.CA.05aCovellite
CuS
2.CA.05bKlockmannite
CuSe
2.CA.05cSpionkopite
Cu
 
39
S
 
28
2.CA.05dYarrowite
Cu
 
9
S
 
8
2.CA.15Calvertite
Cu
 
5
Ge
 
0.5
S
 
4
Related Minerals - Hey's Index Grouping:

- +
3.1.1Chalcocite
Cu
 
2
S
3.1.2Djurleite
Cu
 
31
S
 
16
3.1.3Digenite
Cu
 
9
S
 
5
3.1.4Anilite
Cu
 
7
S
 
4
3.1.5Roxbyite
Cu
 
9
S
 
5
3.1.6Spionkopite
Cu
 
39
S
 
28
3.1.7Geerite
Cu
 
8
S
 
5
3.1.8Covellite
CuS
3.1.9Berzelianite
Cu
 
2
Se
3.1.10Bellidoite
Cu
 
2
Se
3.1.11Umangite
Cu
 
3
Se
 
2
3.1.12Yarrowite
Cu
 
9
S
 
8
3.1.13Athabascaite
Cu
 
5
Se
 
4
3.1.14Klockmannite
CuSe
3.1.15Krut'aite
CuSe
 
2
3.1.16Weissite
Cu
 
2-x
Te
3.1.17Rickardite
Cu
 
7
Te
 
5
3.1.18Vulcanite
CuTe
3.1.19Bambollaite
Cu(Se,Te)
 
2
3.1.20Lautite
CuAsS
3.1.21Mgriite
Cu
 
3
AsSe
 
3
3.1.22Cubanite
CuFe
 
2
S
 
3
3.1.23Bornite
Cu
 
5
FeS
 
4
3.1.24Fukuchilite
Cu
 
3
FeS
 
8
3.1.25Chalcopyrite
CuFeS
 
2
3.1.26Mooihoekite
Cu
 
9
Fe
 
9
S
 
16
3.1.27Haycockite
Cu
 
4
Fe
 
5
S
 
8
3.1.28Isocubanite
CuFe
 
2
S
 
3
3.1.29Idaite
Cu
 
5
FeS
 
6
3.1.31Putoranite
Cu
 
9
(Fe,Ni)
 
9
S
 
16
3.1.32Orickite
2CuFeS
 
2
 · H
 
2
O
3.1.33Eskebornite
CuFeSe
 
2
3.1.34Chaméanite
(Cu,Fe)
 
4
As(Se,S)
 
4
3.1.35Talnakhite
Cu
 
9
(Fe,Ni)
 
8
S
 
16

Other Names for Nukundamite

Synonyms:
IMA1978-037
Other Languages:
German:Nukundamit
Russian:Нукундамит
Spanish:Nukundamita

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 Nukundamite

Reference List:

- +
Rice, C. M., Atkin, D., Bowles, J. F. W. and Criddle, A. J. (1979): Nukundamite, a new mineral, and idaite. Mineralogical Magazine 43, 193-200.

American Mineralogist (1980): 65: 407.

Sugaki, A., H. Shima, A. Kitakaze, and T. Mizota (1981) Hydrothermal synthesis of
nukundamite and its crystal structure. Amer. Mineral., 66, 398–402.

Internet Links for Nukundamite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Nukundamite details from Handbook of Mineralogy (PDF)
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    • Localities for Nukundamite

    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.
    Atlantic Ocean
     
    • Mid-Atlantic Ridge complex
      • Trans-Atlantic Geotraverse (TAG) hydrothermal field
    		Proceedings of the 30th International Geological Congress: Mineralogy By Huang Yunhui, Cao Yawen p 239
    Australia
     
    • South Australia
      • Andamooka Ranges - Lake Torrens area
        • Stuart Shelf area
          • Mt Gunson
    		J F Carpenter specimen; J F Carpenter specimen
    Austria
     
    • Salzburg
      • Lungau
        • Murwinkel
          • Rotgülden
    		Horner, J., Neubauer, F., Paar, W.H., Hansmann, W., Koeppel, V., and Robl, K. (1997): Mineralium Deposita 32, 555-568.
      • Saalfelden
        • Leogang
          • Hütten
            • Schwarzleograben
              • Schwarzleo District
    		Paar, W. H. & Chen, T. T. (1985): Zur Mineralogie von Cu-Ni(Co)-Pb-Ag-Hg-Erzen im Revier Schwarzleo bei Leogang, Salzburg, Österreich. Mitt. österr. geol. Ges. 78, 125-148.; A. Strasser: Die Minerale Salzburgs (1989)
    Fiji
     
    • Vanua Levu
      • Nukundamu
    		Min.Mag.(1979) 43, 193-200
    Germany
     
    • Thuringia
      • Gera
    		XRD and SEM-EDX analysis (T. Witzke)
    Indonesia
     
    • Irian Jaya (New Guinea)
      • Papua Province
        • New Guinea
          • Carstensz Mts
    		Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
    Japan
     
    • Honshu Island
      • Chugoku region
        • Okayama prefecture
          • Mito-cho
            • Aida
    		Pavel M. Kartashov analytical data (2012), Hiromi Yamasaki specimen
    Norway
     
    • Buskerud
      • Drammen
        • Konnerud
    		Segalstad, T. V. & Telstø, L. (2002): Mineraldannelsen i Konnerudkollen gruver. Bergverksmuseets Skrift 20, 35-49
    • Oslo
      • Grorud
    		Kvamsdal, L. O. (1999): Mineralene fra Huken pukkverk i Oslo. STEIN 26 (4), 14-47
    Romania
     
    • Maramureș Co.
    		M. Lupulescu, E. B. Watson, D.Wark (1993) Unusual nukundamite occurrence in an iron deposit from Romania and its metallogenetic implications -"Current Research in Geology Applied to Ore Deposits", Eds.Fenoll Hach-Ali, Torres-Ruiz & Gervilla, Granada, Spain. p. 155-158.
    USA
     
    • Arizona
      • Pinal Co.
        • Superior District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 315.
    • Utah
      • Salt Lake Co.
        • Oquirrh Mts
    		Economic Geology; May 2002; v. 97; no. 3; p. 499-515
    North, Jerry (2010) Displays of Nature : History, Minerals & Crystals of Utah's Bingham Canyon Copper Mine.
      • Tooele Co.
        • Oquirrh Mts
    		Economic Geology (2002) 97, 499–515
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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