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Miassite

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Miass River, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia
© 2008, J. Weissman

Formula:
Rh
 
17
S
 
15
System:IsometricLustre:Metallic
Hardness:5 - 6
This page provides mineralogical data about Miassite.

Classification of Miassite

IMA status:Approved 1997
Strunz 8th edition ID:2/B.16-80
Nickel-Strunz 10th (pending) edition ID: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.
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Type Occurrence of Miassite

Type Locality:Tiébaghi Massif, Koumac Commune, Northern Province, New Caledonia
Year of Discovery:1981

Physical Properties of Miassite

Lustre:Metallic
Hardness (Mohs):5 - 6

Crystallography of Miassite

Crystal System:Isometric

Optical Data of Miassite

Type:Isotropic

Chemical Properties of Miassite

Formula:
Rh
 
17
S
 
15
Essential elements:Rh, S
All elements listed in formula:Rh, S

Relationship of Miassite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.BC.UM2004-45
(Ag,Cu)
 
6
Hg
 
2
Pd
 
2
Se
 
3
2.BC.05Palladseite
Pd
 
17
Se
 
15
2.BC.10Oosterboschite
(Pd,Cu)
 
7
Se
 
5
2.BC.15Chrisstanleyite
Ag
 
2
Pd
 
3
Se
 
4
2.BC.15Jaguéite
Cu
 
2
Pd
 
3
Se
 
4
2.BC.20Keithconnite
Pd
 
3-x
Te (x = 0.14 - 0.43)
2.BC.25Vasilite
(Pd,Cu)
 
16
(S,Te)
 
7
2.BC.30Telluropalladinite
Pd
 
9
Te
 
4
2.BC.35Luberoite
Pt
 
5
Se
 
4
2.BC.40Oulankaite
(Pd,Pt)
 
5
(Cu,Fe)
 
4
SnTe
 
2
S
 
2
2.BC.45Telargpalite
(Pd,Ag)
 
3
(Te,Bi)
2.BC.50Temagamite
Pd
 
3
HgTe
 
3
2.BC.55Sopcheite
Ag
 
4
Pd
 
3
Te
 
4
2.BC.60Laflammeite
Pd
 
3
Pb
 
2
S
 
2
2.BC.65Tischendorfite
Pd
 
8
Hg
 
3
Se
 
9

Other Names for Miassite

Synonyms:
IMA1997-029
Other Languages:
German:Prassoit
Spanish:Prassoita

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 Miassite

Reference List: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.

Articles/Blogs about Miassite

Internet Links for Miassite

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  • Raman and XRD data at RRUFF project
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    Localities for Miassite

    (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.
    Canada
     
    • Québec
      • Mégantic Co.
    		http://gsa.confex.com/gsa/2001NE/finalprogram/abstract_2302.htm.
    New Caledonia
     
    • Northern Province
      • Koumac Commune
    Russia
     
    • Urals Region
      • Central Urals
    Sierra Leone
     
    • Guma Water
    		Mineralogy and Petrology 68:75-84 (2000)
    South Africa
     
    • Limpopo Province
    		www.bgr.de/b423/oberthuer_ptconf_pgm_bushveld.pdf.
    USA
     
    • Alaska
      • Bethel Borough
        • Goodnews Bay
          • Salmon River - Red Mountain District
    		USGS Open-File Report 01-269
    Mineral and/or Locality
    Google
     
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