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Miassite

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Miass River, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia
© 2008, JGW




Formula:
Rh
 
17
S
 
15
System:IsometricLustre:Metallic
Hardness:5 - 6
Name:After the type locality.
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:Miass River, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia
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-Se:AgHgPd
(Ag,Cu)
 
6
Hg
 
2
Pd
 
2
Se
 
3
2.BC.05Palladseite
Pd
 
17
Se
 
15
2.BC.05UM2000-47-S:CuFePdPt
(Cu,Fe,Pd,Pt,Rh)
 
9
S
 
8
2.BC.10Oosterboschite
(Pd,Cu)
 
7
Se
 
5
2.BC.15Chrisstanleyite
Ag
 
2
Pd
 
3
Se
 
4
2.BC.15Jagüéite
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.

Internet Links for Miassite

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    • Localities for Miassite

    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.
    Canada
     
    • Québec
      • Chaudière-Appalaches
        • Les Appalaches RCM
    		http://gsa.confex.com/gsa/2001NE/finalprogram/abstract_2302.htm.
    New Caledonia
     
    • Northern Province
      • Koumac Commune
        • Tiébaghi Massif
    Russia
     
    • Urals Region
      • Middle Urals
      • Southern Urals
        • Chelyabinsk Oblast'
    		ZVMO 130(2),41-45(2001)
    Sierra Leone
     
    • Guma Water
    		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
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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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