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Braggite

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Stillwater Complex, Stillwater Co., Montana, USA
© Keith Wood

Formula:
(Pt,Pd,Ni)S
System:TetragonalHardness:1½
Name:After Sir William H. Bragg, and his son, Professor W.L. Bragg, this being the first new mineral isolated and determined by x-ray methods.


Braggite-Vysotskite Series.

Classification of Braggite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/C.25-20
Nickel-Strunz 10th (pending) edition ID:2.CC.35a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
C : With Ni, Fe, Co, PGE, etc.
Dana 8th edition ID:2.8.5.3

2 : SULFIDES
8 : AmXp, with m:p = 1:1
Hey's CIM Ref.:3.12.45

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

Type Locality:Mokopane (Potgietersrus), Eastern Bushveld Complex, Limpopo Province, South Africa
Year of Discovery:1932

Physical Properties of Braggite

Hardness (Mohs):1½

Crystallography of Braggite

Crystal System:Tetragonal
Cell Parameters:a = 6.38Å, c = 6.59Å
Ratio:a:c = 1 : 1.033
Unit Cell Volume:V 268.24 ų (Calculated from Unit Cell)

Chemical Properties of Braggite

Formula:
(Pt,Pd,Ni)S
Essential elements:Pt, S
All elements listed in formula:Ni, Pd, Pt, S

Relationship of Braggite to other Species

Series:Forms a series with Vysotskite (see here)
Related Minerals - Nickel-Strunz Grouping):

- +
2.CC.05Achavalite
FeSe
2.CC.05Breithauptite
NiSb
2.CC.05Freboldite
CoSe
2.CC.05Kotulskite
Pd(Te,Bi)
 
1-2
2.CC.05Langisite
(Co,Ni)As
2.CC.05Nickeline
NiAs
2.CC.05Sederholmite
NiSe beta-NiSe
2.CC.05Sobolevskite
PdBi
2.CC.05Stumpflite
Pt(Sb,Bi)
2.CC.05Sudburyite
(Pd,Ni)Sb
2.CC.05Jaipurite
CoS
2.CC.05Zlatogorite
NiCuSb
 
2
2.CC.10Pyrrhotite
Fe
 
7
S
 
8
, (-4M), also given as Fe
 
1-x
S (x = 0 - 0.2)
2.CC.10Smythite
(Fe,Ni)
 
9
S
 
11
2.CC.10Troilite
FeS
2.CC.15Cherepanovite
RhAs
2.CC.15Modderite
(Co,Fe)As
2.CC.15Ruthenarsenite
(Ru,Ni)As
2.CC.15Westerveldite
(Fe,Ni,Co)As
2.CC.20Millerite
NiS
2.CC.20Mäkinenite
γ-NiSe
2.CC.20UM1990-38-S:CuFeIrNiPtRh
(Ir,Pt,Ni,Fe)S
2.CC.25Mackinawite
(Fe,Ni)
 
9
S
 
8
2.CC.30Hexatestibiopanickelite
Ni(Te,Sb)
2.CC.30Vavřínite
Ni
 
2
SbTe
 
2
2.CC.35bCooperite
(Pt,Pd,Ni)S
2.CC.35aVysotskite
(Pd,Ni)S
Related Minerals - Hey's Index Grouping:

- +
3.12.1Seinäjokite
(Fe,Ni)(Sb,As)
 
2
3.12.2Laurite
RuS
 
2
3.12.3Ruthenarsenite
(Ru,Ni)As
3.12.4Anduoite
(Ru,Os)As
 
2
3.12.5Ruarsite
(Ru,Os)AsS
3.12.6Xingzhongite
(Pb,Cu,Fe)(Ir,Pt,Rh)
 
2
S
 
4
3.12.7Rhodplumsite
Rh
 
3
Pb
 
2
S
 
2
3.12.8Cuprorhodsite
(Cu,Fe)Rh
 
2
S
 
4
3.12.9Konderite
Cu
 
3
Pb(Rh,Pt,Ir)
 
8
S
 
16
3.12.10Bowieite
(Rh,Ir,Pt)
 
2
S
 
3
3.12.11Cherepanovite
RhAs
3.12.12Hollingworthite
(Rh,Pt,Pd)AsS
3.12.13Vysotskite
(Pd,Ni)S
3.12.14Vasilite
(Pd,Cu)
 
16
(S,Te)
 
7
3.12.15Palladseite
Pd
 
17
Se
 
15
3.12.16Oosterboschite
(Pd,Cu)
 
7
Se
 
5
3.12.17Telluropalladinite
Pd
 
9
Te
 
4
3.12.18Temagamite
Pd
 
3
HgTe
 
3
3.12.19Sopcheite
Ag
 
4
Pd
 
3
Te
 
4
3.12.20Michenerite
PdBiTe
3.12.21Kotulskite
Pd(Te,Bi)
 
1-2
3.12.22Telargpalite
(Pd,Ag)
 
3
(Te,Bi)
3.12.23Merenskyite
(Pd,Pt)(Te,Bi)
 
2
3.12.24Palladoarsenide
Pd
 
2
As
3.12.25Stillwaterite
Pd
 
8
As
 
3
3.12.26Atheneite
(Pd,Hg)
 
3
As
3.12.27Majakite
PdNiAs
3.12.28Palarstanide
Pd
 
8
(As,Sn)
 
3
3.12.29Arsenopalladinite
Pd
 
8
(As,Sb)
 
3
3.12.30Vincentite
Pd
 
3
As
3.12.31Palladobismutharsenide
Pd
 
2
(As,Bi)
3.12.32Stibiopalladinite
Pd
 
5
Sb
 
2
3.12.33Hexatestibiopanickelite
Ni(Te,Sb)
3.12.34Sudburyite
(Pd,Ni)Sb
3.12.35Testibiopalladite
PdTe(Sb,Te)
3.12.36Borovskite
Pd
 
3
SbTe
 
4
3.12.37Isomertieite
Pd
 
11
Sb
 
2
As
 
2
3.12.38Mertieite-I
Pd
 
11
(Sb,As)
 
4
3.12.39Mertieite-II
Pd
 
8
(Sb,As)
 
3
3.12.40Sobolevskite
PdBi
3.12.41Froodite
α-PdBi
 
2
3.12.42Polarite
Pd(Bi,Pb)
3.12.43Urvantsevite
Pd(Bi,Pb)
 
2
3.12.44Cooperite
(Pt,Pd,Ni)S
3.12.46Kharaelakhite
(Pt,Cu,Pb,Fe,Ni)
 
9
S
 
8
3.12.47Malanite
Cu(Pt
3+
 
,Ir
3+
 
)
 
2
S
 
4
3.12.48Moncheite
(Pt,Pd)(Te,Bi)
 
2
3.12.49Maslovite
PtBiTe
3.12.50Sperrylite
PtAs
 
2
3.12.51Platarsite
(Pt,Rh,Ru)AsS
3.12.52Geversite
PtSb
 
2
3.12.53Daomanite
CuPtAsS
 
2
3.12.54Genkinite
(Pt,Pd,Rh)
 
4
Sb
 
3
3.12.55Stumpflite
Pt(Sb,Bi)
3.12.56Insizwaite
Pt(Bi,Sb)
 
2
3.12.57Erlichmanite
OsS
 
2
3.12.58Omeiite
(Os,Ru)As
 
2
3.12.59Osarsite
(Os,Ru)AsS
3.12.60Kashinite
(Ir,Rh)
 
2
S
 
3
3.12.61Inaglyite
Cu
 
3
Pb(Ir,Pt)
 
8
S
 
16
3.12.62Cuproiridsite
(Cu,Fe)Ir
 
2
S
 
4
3.12.63Iridarsenite
(Ir,Ru)As
 
2
3.12.64Irarsite
(Ir,Ru,Rh,Pt)AsS
3.12.65Tolovkite
IrSbS

Other Names for Braggite

Other Languages:
German:Braggit
Russian:Брэггит
Spanish:Braggita

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 Braggite

Reference List:Bannister and Hey (1932), Mineralogical Magazine: 23: 188.

American Mineralogist (1932): 17: 455.

Cabri, L.J., Laflamme, J.H.G., Stewart, J.M., Turner, K., and Skinner, B.J. (1978) On cooperite, braggite, and vysotskite. American Mineralogist: 63: 832-839.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 259.

American Mineralogist (1978): 63: 832-839.

Acta Crystallographica: B29: 1446-1455.

Internet Links for Braggite

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

    Hide Locality List
    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.
    (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.
    Austria
     
    • Styria
      • Leoben
    		Min.& Pet. 73:247-277
    Bulgaria
     
    • Blagoevgrad Oblast
    Canada
     
    • Ontario
      • Thunder Bay District
        • Lac des Iles Complex
          • Roby Zone
    • Québec
      • Mégantic Co.
        • Black Lake
    		Can. Min. 28, 579
        • Thetford Mines
    		Can. Min. 28, 579.
    Finland
     
    • Lapin (Lapland) Lääni
      • Inari
        • Lemmenjoki
    		33rd International Geological Congress (2008) session MPM-04 Platinum-group mineralogy: Pt-Pd selenides from river placers, northern Finland
      • Penikat complex
    		Econ Geol (1986) 81:1126-1136
    Econ Geol (1986) 81:1126-1136
    Econ Geol (1986) 81:1126-1136
    American Mineralogist: 85: 1564; Canadian Mineralogist: 43: 1663-1686.
      • Sodankylä
    33 IGC excursion No 15, August 15th – 21st 2008
    India
     
    • Orissa
    		No reference listed
    Madagascar
     
    • Fianarantsoa Province
      • Atsimo-Atsinanana Region
        • Antanambao Manampotsy
    		Legendre, O., and Augé, T. (1992): Australian Journal of Earth Sciences 39, 389-404.
    • Toamasina (Tamatave) Province
      • Eastern (Atsinanana) Region
        • Vatomandry District
          • Sahafary
    		Lapis nr 10 /1993 p. 7
    New Zealand
     
    • South Island
      • Southland
        • Orepuki
    		Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
        • Southland District
    		Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
    Russia
     
    • Eastern-Siberian Region
      • Taymyrskiy Autonomous Okrug
        • Taimyr Peninsula
          • Putoran Plateau
            • Noril'sk
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
              • Talnakh Cu-Ni Deposit
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    • Northern Region
      • Karelia Republic
        • Northern Karelia
          • Oulanka plutonic complex
            • Olanga (Oulanka) River
    		Eur. J. Mineral. , 1993, 5, pp. 1227-1233.
      • Murmanskaja Oblast'
        • Kola Peninsula
          • 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
    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
    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
    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
          • Monche-Tundra
    		http://www.duke.edu/~boudreau/9thPtSymposium/Grokhovskaya_Abstract.pdf
    South Africa
     
    • Eastern Cape Province
      • Transkei
        • Pondoland
          • Insizwa
    		Minerals of South Africa
    • Free State Province
    		Minerals of South Africa
    • KwaZulu-Natal Province
      • Bushveld Complex
    		Minerals of South Africa
    • Limpopo Province
    		www.bgr.de/b423/oberthuer_ptconf_pgm_bushveld.pdf.
    Minerals of South Africa
        • Burgersfort
          • Sekhukhuneland
    		Minerals of South Africa
    Minerals of South Africa
    The Canadian Mineralogist Vol. 43, pp. 1711-1734 (2005)
    Minerals of South Africa
    Minerals of South Africa
      • Eastern Bushveld Complex
        • Merensky Reef
    		Minerals of South Africa
    Min.Mag.(1932) 23, 198-206
    Minerals of South Africa
    Am Min 68:11-12 pp 1249-1254
    Minerals of South Africa
    • Mpumalanga Province
      • Eastern Bushveld Complex
        • Lydenburg District
    		Minerals of South Africa
    Minerals of South Africa
      • Pilgrim's Rest District
        • Sabie
    		Minerals of South Africa
    • Northwest Province
      • Western Bushveld Complex
    		Minerals of South Africa
    Minerals of South Africa
    Minerals of South Africa
        • Rustenburg District
    		Minerals of South Africa
    Minerals of South Africa
    UK
     
    • Scotland
      • North West Highlands (Inverness-shire)
        • Isle of Rum
    		Power, M.R., Pirrie, D., Andersen, J.C.O., and Butcher, A.R. (2000): Mineralium Deposita 35, 762-775.
    USA
     
    • Minnesota
      • Lake Co.
        • Beaver Bay
          • Beaver Bay Complex
    		Chusi Li, Ripley, E.M., Oberthür, T., Miller, Jr., J.D., and Joslin, G.D. (2008): Mineralium Deposita 43, 97-110.
    • Montana
      • Stillwater Co.
    		Canadian Mineralogist; August 2006; v. 44; no. 4; p. 895-903; Canadian Mineralogist Vol. 17, pp. 589-594 (1979)
          • J-M Reef (Howland Reef)
      • Sweet Grass Co.
        • Stillwater Complex
    		www.cotc.edu/professional/osu/faculty/jstjohn/Stillwater-Complex/Braggite.htm
    Zimbabwe
     
    • Masvingo District
      • Chiredzi Mining District (Hartley Mining District)
        • Chiredzi
    		Chusi Li, Ripley, E.M., Oberthür, T., Miller, Jr., J.D., and Joslin, G.D. (2008): Mineralium Deposita 43, 97-110.; Stribrny, B., Wellmer, F.-W., Burgath, K.-P., Oberthür, T., Tarkian, M., and Pfeiffer, T. (2000): Mineralium Deposita 35, 260-281.
    Mineral and/or Locality
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