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Miassite

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About MiassiteHide

Formula:
Rh17S15
Lustre:
Metallic
Hardness:
5 - 6
Crystal System:
Isometric
Name:
After the type locality.

Classification of MiassiteHide

Approved
Approval Year:
1997
2.BC.05

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.

Physical Properties of MiassiteHide

Metallic
Hardness:
5 - 6 on Mohs scale

Optical Data of MiassiteHide

Type:
Isotropic

Chemical Properties of MiassiteHide

Formula:
Rh17S15

Crystallography of MiassiteHide

Crystal System:
Isometric

Type Occurrence of MiassiteHide

Synonyms of MiassiteHide

Other Language Names for MiassiteHide

German:Prassoit
Simplified Chinese:密硫铑矿
Spanish:Prassoita
Traditional Chinese:密硫銠礦

Common AssociatesHide

Associated Minerals Based on Photo Data:
Bowieite1 photo of Miassite associated with Bowieite on mindat.org.
Isoferroplatinum1 photo of Miassite associated with Isoferroplatinum 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.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.20KeithconnitePd20Te7Trig.
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 MiassiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bowles, J.F.W. (2000) Prassoite, vysotskite and keithconnite from the Freetown layered complex, Sierra Leone. Mineralogy and Petrology: 68: 75-84.
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (2001): 130(2): 41-45.

Internet Links for MiassiteHide

Localities for MiassiteHide

ⓘ - 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.
Canada
 
  • Québec
    • Chaudière-Appalaches
      • Les Appalaches RCM
http://gsa.confex.com/gsa/2001NE/finalprogram/abstract_2302.htm.
  • 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
France
 
  • New Caledonia
    • Northern Province
      • Koumac Commune
        • Tiébaghi Massif
Fedortchouk, Y., LeBarge, W., Barkov, A.Y., Fedele, L., Bodnar, R.J. & Robert F. Martin (2010) Platinum-group minerals from a placer deposit in Burwash Creek, Kluane area, Yukon Territory, Canada. Canadian Mineralogist, 48, 583-596.; Augé, T. (1988). Platinum-Group Minerals in the Tiébaghi (New-Caledonia) and Vourinos (Greece) Ophiolites. In Geo-Platinum 87 (pp. 405-405). Springer Netherlands.
Russia
 
  • Urals Region
    • Middle Urals
    • Southern Urals
      • Chelyabinsk Oblast
ZVMO 130(2),41-45(2001); 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
Mineralogy and Petrology 68:75-84 (2000)
South Africa
 
  • Limpopo Province
www.bgr.de/b423/oberthuer_ptconf_pgm_bushveld.pdf.
The Canadian Mineralogist Vol. 43, pp. 1711-1734 (2005)
USA
 
  • Alaska
    • Bethel Borough
      • Goodnews Bay
        • Salmon River - Red Mountain District
USGS Open-File Report 01-269
Mineral and/or Locality  
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