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Molybdenite-3R

Formula:
MoS
 
2
System:Trigonal
A polytype of Molybdenite

Classification of Molybdenite-3R

Hey's CIM Ref.:3.8.7

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
8 : Sulphides etc. of Cr, Mo, W an Mn
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Crystallography of Molybdenite-3R

Crystal System:Trigonal
Class (H-M):3m - Ditrigonal Pyramidal
Space Group:R3m
Cell Parameters:a = 3.16Å, c = 18.33Å
Ratio:a:c = 1 : 5.801
Unit Cell Volume:V 158.51 ų (Calculated from Unit Cell)
Z:3

Chemical Properties of Molybdenite-3R

Formula:
MoS
 
2
Essential elements:Mo, S
All elements listed in formula:Mo, S

Relationship of Molybdenite-3R to other Species

Related Minerals - Hey's Index Grouping:
3.8.1Brezinaite
Cr
 
3
S
 
4
3.8.2Caswellsilverite
NaCrS
 
2
3.8.3Kalininite
ZnCr
 
2
S
 
4
3.8.4Daubréelite
Fe
2+
 
Cr
3+
2
S
 
4
3.8.5Heideite
(Fe,Cr)
 
1.15
(Ti,Fe)
 
2
S
 
4
3.8.6Molybdenite
MoS
 
2
3.8.8Jordisite
MoS
 
2
3.8.9Drysdallite
Mo(Se,S)
 
2
3.8.10Tungstenite
WS
 
2
3.8.12Alabandite
Mn
2+
 
S
3.8.13Hauerite
MnS
 
2
3.8.14Manganoshadlunite
(Mn,Pb,Cd)(Cu,Fe)
 
8
S
 
8

Other Names for Molybdenite-3R

Russian names:
Молибденит-3R

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 Molybdenite-3R

Reference List:Handbook of Mineralogy Vol I p336

Can Min (1963) 7:524-527

Internet Links for Molybdenite-3R

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    Localities for Molybdenite-3R

    (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.
    Italy
     
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Formazza Valley
    		AA. VV., 1996. Collezionare minerali. Hobby & Work.
    Russia
     
    • Far-Eastern Region
      • Sakhalinskaya Oblast'
        • Maritime Province
          • Kuril Islands
            • Iturup Island
              • Bogatyr' Range
    		Znamenskii V.S., Lebedev L.M., Sidorenko G.A. (1970) On molybdenite from middle-cretaceous volcanic rocks of Iturup island (Kuril Islands), - DAN USSR, v.193, N4, pp. 898-901 (in Rus.).
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
        • Freichi area
        • Giessen
    		Most recent: Gea 1993/04 p.137 with most literature references
    Mineral and/or Locality
    Google
     
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