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Keithconnite

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Formula:
Pd20Te7
Hardness:
5
Crystal System:
Trigonal
Name:
Named for Herbert Keith Conn (b. 1923), Canadian geologist and mine official, who was instrumental in the discovery of Pt-Pd mineralization of the Stillwater deposit, and who provided the material for study.
This page provides mineralogical data about Keithconnite.


Hide all sections | Show all sections

Classification of KeithconniteHide

Approved
2.BC.20

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.
2.2.6.1

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

Physical Properties of KeithconniteHide

Hardness:

Chemical Properties of KeithconniteHide

Formula:
Pd20Te7
Common Impurities:
Pb,Bi

Crystallography of KeithconniteHide

Crystal System:
Trigonal
Cell Parameters:
a = 11.45 Å, c = 11.4 Å
Ratio:
a:c = 1 : 0.996
Unit Cell V:
1,294.33 ų (Calculated from Unit Cell)

Type Occurrence of KeithconniteHide

Synonyms of KeithconniteHide

Other Language Names for KeithconniteHide

Simplified Chinese:三方碲钯矿
凯碲钯矿
Spanish:Keithconnita
Traditional Chinese:三方碲鈀礦
凱碲鈀礦

Varieties of KeithconniteHide

Plumbian KeithconniteA lead-bearing variety of keithconnite.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Chalcopyrite1 photo of Keithconnite associated with Chalcopyrite on mindat.org.
Epidote1 photo of Keithconnite associated with Epidote on mindat.org.
Kotulskite1 photo of Keithconnite associated with Kotulskite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.BC.UM2004-45-Se:AgHgPd(Ag,Cu)6Hg2Pd2Se3
2.BC.ColdwellitePd3Ag2SIso. 4 3 2 : P43 3 2
2.BC.05PalladseitePd17Se15
2.BC.05MiassiteRh17S15Iso.
2.BC.05UM2000-47-S:CuFePdPt(Cu,Fe,Pd,Pt,Rh)9S8
2.BC.10Oosterboschite(Pd,Cu)7Se5Orth.
2.BC.15ChrisstanleyiteAg2Pd3Se4Mon.
2.BC.15JagüéiteCu2Pd3Se4Mon. 2/m : P21/b
2.BC.25Vasilite(Pd,Cu)16(S,Te)7
2.BC.30TelluropalladinitePd9Te4Mon.
2.BC.35LuberoitePt5Se4Mon. 2/m : P21/b
2.BC.40Oulankaite(Pd,Pt)5(Cu,Fe)4SnTe2S2Tet.
2.BC.45Telargpalite(Pd,Ag)3(Te,Bi)Iso.
2.BC.50TemagamitePd3HgTe3Trig. 3m : P3m1
2.BC.55SopcheiteAg4Pd3Te4Orth.
2.BC.60LaflammeitePd3Pb2S2Mon.
2.BC.65TischendorfitePd8Hg3Se9Orth.

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 KeithconniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cabri, L.J., Rowland, J.F., Laflamme, J.H.G., and Stewart, J.M. (1979) Keithconnite, telluropalladinite and other palladium-platinum tellurides from the Stillwater Complex, Montana. Canadian Mineralogist: 17: 589-594.
Canadian Mineralogist (1990): 28: 751.
Bowles, J.F.W. (2000) Prassoite, vysotskite and keithconnite from the Freetown layered complex, Sierra Leone. Mineralogy and Petrology: 68: 75-84.

Internet Links for KeithconniteHide

Localities for KeithconniteHide

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.
Austria
 
  • Styria
    • Leoben
Min.& Pet. 73:247-277; Min.& Pet. 73:247-277
Canada
 
  • Ontario
    • Sudbury District
      • Blezard Township
; Ames, D.E., Kjarsgaard, I.M., and Douma, S.L., 2003, Sudbury Ni-Cu-PGE Ore Mineralogy Compilation: Sudbury Targeted Geoscience Initiative (TGI): Geological Survey of Canada, Open File 1787
    • Thunder Bay District
      • Coldwell complex
Mcdonald, A.M., Cabri, L.J., Stanley, C.J., Good, D.J., Redpath, J., Lane, G., Spratt, J. & Ames, D.E. (2015) Coldwellite, Pd3Ag2S, a new mineral species from the Marathon deposit, Coldwell complex, Ontario, Canada. Canadian Mineralogist 53, 1-13.
      • Seeley Lake Area
EcoMetrix Reort for Stillwater Canada Inc, Marathon Project (2012) Table 4.1-3
  • Yukon
    • Whitehorse Mining District
      • Kluane District
Yana Fedortchouk, William LeBarge, Andrei Y. Barkov, Luca Fedele, Robert J. Bodnar, and Robert F. Martin (2010) Platinum-group minerals from a placer deposit in Burwash Creek, Kluane area, Yukon Territory, Canada. The Canadian Mineralogist (June 2010), 48(3):583-596
Finland
 
Törnroos Ragnar, Johanson Bo, Kojonen Kari, 1998. Alluvial nuggets of platinum group minerals and alloys from Finnish Lapland. Geological survey of Finland, Special Paper
    • Inari
      • Lemmenjoki
33rd International Geological Congress (2008) session MPM-04 Platinum-group mineralogy: Pt-Pd selenides from river placers, northern Finland; Kari Kojonen (2012) PGE ore potential in the southwestern granulite belt of Northern Finland. Geological Survey of Finland, Report of Investigation 207 pp 64-67
    • Penikat complex
      • Sompujärvi Reef
Canadian Mineralogist: 43: 1663-1686.
    • Sodankylä
Gervilla, F., Kojonen, K. and Merkle, R.K.W., 2005. Platinum-group minerals in the Proterozoic Keivitsa mafic-ultramafic intrusion, Sodankylä, northern Finland. Extended Abstract, 10th International Platinum Symposium, Abstract volume
mutanen Tapani 1997. Geology and ore petrology of Akanvaara nd Koitelainen mafic layered intrusions and the Keivitsa -satovaara layered complex, Northern Finland. Geological Survey of Finland, bulletin 395. 233s.
Greece
 
  • Epirus Department (Ipeiros)
    • Pindos Mtn
      • Pindos ophiolite complex
Argyrios Kapsiotis, Tassos A. Grammatikopoulos, Basilios Tsikouras and Konstantinos Hatzipanagiotou (2010): Platinum-Group Mineral Characterization in Concentrates from High-Grade PGE Al-rich Chromitites of Korydallos Area in the Pindos Ophiolite Complex (NW Greece). Resource Geology 60, 178-191.
Greenland
 
  • Qeqqata
    • Kangerlussuaq Fjord (Søndre Strømfjord)
      • Kangerlussuaq complex
Mineralogical Magazine, August 2004, Vol. 68(4), pp. 615–632
Holwell, D. A., Keays, R. R., McDonald, I., & Williams, M. R. (2015). Extreme enrichment of Se, Te, PGE and Au in Cu sulfide microdroplets: evidence from LA-ICP-MS analysis of sulfides in the Skaergaard Intrusion, east Greenland. Contributions to Mineralogy and Petrology, 170(5-6), 1-26.
India
 
  • Karnataka
    • Shimoga schist belt
T. T. Alapieti, T. C. Devaraju, R. J. Kaukonen (2005) Sem-eds Study of the Platinum-group Minerals in the PGE mineralized Hanumalapura Segment of the Layeredmafic-ultramafic Complex of Channagiri, Davangere District, Karnataka. Jour. Geol. Soc. India, 65:745-752.
Madagascar
 
  • Toamasina Province (Tamatave)
    • Eastern Region (Atsinanana Region)
      • Antanambao Manampotsy District
Legendre, O., and Augé, T. (1992): Alluvial platinum-group minerals from the Manampotsy area, east Madagascar. Australian Journal of Earth Sciences 39, 389-404
      • Vatomandry District
        • Sahafary
Augé, T. & Legendre, O. (1992): Pt-Fe nuggets from alluvial deposits in eastern Madagascar. Canadian Mineralogist 30, 983-1004
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Tazenakht
        • Bou Azzer District (Bou Azer District)
          • Bleida
El Ghorfi, M., Oberthür, T., Melcher, F., Lüders, V., El Boukhari, A., Maacha, L., Ziadi, R., and Baoutoul, H. (2006): Mineralium Deposita 41, 549-564.
Norway
 
  • Nord-Trøndelag
    • Leka
Nilsson, L. P. & Larsen, R. B. (1998): Edle mineraler i mafiske og ultramafiske bergarter- en oppsummering av platina-gruppe mineraler (PGM) funnet i Norge i de senere år. Norsk Bergverksmuseum Skrift 14: 40-49; Econ Geol (1993) 88:782-803
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Aldan Shield
Mineralogical Magazine 68:871 -- 885
  • Far-Eastern Region
    • Kamchatka Oblast'
Tolstykh, N., Sidorov, E., & Kozlov, A. (2009). Platinum-group Minerals from the Olkhovaya–1 Placers Related to the Karaginsky Ophiolite Complex, Kamchatskiy Mys Peninsula, Russia. The Canadian Mineralogist, 47(5), 1057-1074.
[Canadian Mineralogist 38 p1251-1264 "The association of platinum-group minerals in placers of the Pustaya River, Kamchatka, Russia"]
  • Northern Region
    • Karelia Republic
      • Northern Karelia
        • Oulanka plutonic complex
          • Olanga River (Oulanka River)
Tony Nikischer specimen and analysis
    • Murmanskaya Oblast'
      • Fedorovo-Pansky massif (Pana layered complex)
33rd International Geological Congress (2008) session MPM-04 Platinum-group mineralogy: Platinum-group minerals in the PGE deposit of the Fedorovo-Pansky layered intrusion, Kola Peninsula
Chashchin, V. V., & Petrov, S. V. (2013). Low-sulfide PGE ore in the Volchetundra gabbro-anorthosite pluton, Kola Peninsula, Russia. Geology of Ore Deposits, 55(5), 357-382.
Chashchin, V. V., & Petrov, S. V. (2013). Low-sulfide PGE ore in the Volchetundra gabbro-anorthosite pluton, Kola Peninsula, Russia. Geology of Ore Deposits, 55(5), 357-382.
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
S.N. Britvin, N.S. Rudashevsky, A.N. Bogdanova, D.K. Shcherbachev (2001) Miassite Rh17S15, a new mineral from a placer of the Miass River, Urals. Zap. Vseross. Mineral. Obshch., 130(2), 41–45 (in Russian, English abs.).
Sierra Leone
 
  • Western Area
    • Guma Water
Mineralogy and Petrology (2000): 68: 75-84 .
South Africa
 
  • Limpopo Province
www.bgr.de/b423/oberthuer_ptconf_pgm_bushveld.pdf.
The Canadian Mineralogist Vol. 43, pp. 1711-1734 (2005)
UK
 
  • Scotland
    • North West Highlands
      • Isle of Rum
Power, M.R., Pirrie, D., Andersen, J.C.O., and Butcher, A.R. (2000): Mineralium Deposita 35, 762-775.
USA (TL)
 
  • Montana
    • Stillwater Co.
      • Nye
CABRI, L.J., ROWLAND, J.F., LAFLAMME, J.H.G. & STEWART, J.M. (1979) Keithconnite, telluropalladinite, and other Pd-Pt tellurides from the Stillwater Complex, Montana. Canadian Mineralogist, 17, 589-594.
Canadian Mineralogist Vol.24, pp. 329-346 (1986)
          • J-M Reef (Howland Reef)
www.cannonmicroprobe.com/Mineral_Specimens.htm; Canadian Mineralogist Vol. 23, pp.149-162(1985)
Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
    • Sweet Grass Co.
      • Stillwater Complex
Bart Cannon microprobe analysis # PP3-8, 31-12-1995.
Mineral and/or Locality  
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