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Radhakrishnaite

Big Photo

Taimyr (Oktyabr'skoye; Oktyabr'sky) Cu-Ni deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia
© 2008, JGW

Formula:
PbTe
 
3
(Cl,S)
 
2
System:TetragonalColour:Brownish gray
Name:Named after Bangalore Puttaiya Radhakrishnan, Director, Mysore Geological Department.



Classification of Radhakrishnaite

IMA status:Approved
Strunz 8th edition ID:2/F.15-20
Nickel-Strunz 10th (pending) edition ID:3.AA.50

3 : HALIDES
A : Simple halides, without H2O
A : M:X = 1:1, 2:3, 3:5, etc.
Dana 8th edition ID:2.15.4.1

2 : SULFIDES
15 : Chlor-sulfides
Hey's CIM Ref.:6.5.10

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
5 : Sulphohalides
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Type Occurrence of Radhakrishnaite

Type Locality:Champion lode, Central Schist Belt, Kolar Gold Fields, Karnataka, India
Year of Discovery:1985

Physical Properties of Radhakrishnaite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Brownish gray

Crystallography of Radhakrishnaite

Crystal System:Tetragonal
Cell Parameters:a = 5.71Å, c = 3.77Å
Ratio:a:c = 1 : 0.66
Unit Cell Volume:V 122.92 ų (Calculated from Unit Cell)

Chemical Properties of Radhakrishnaite

Formula:
PbTe
 
3
(Cl,S)
 
2
Essential elements:Cl, Pb, Te
All elements listed in formula:Cl, Pb, S, Te

Relationship of Radhakrishnaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.AA.05Marshite
CuI
3.AA.05Miersite
(Ag,Cu)I
3.AA.05Nantokite
CuCl
3.AA.05UM1999-11:I:CuS
Cu(I,S)
3.AA.10Iodargyrite
AgI
3.AA.10Tocornalite
(Ag,Hg)I
3.AA.15Bromargyrite
AgBr
3.AA.15Chlorargyrite
AgCl
3.AA.20Carobbiite
KF
3.AA.20Griceite
LiF
3.AA.20Halite
NaCl
3.AA.20Sylvite
KCl
3.AA.20Villiaumite
NaF
3.AA.25Salammoniac
NH
 
4
Cl
3.AA.25UM1998-03-Cl:Tl
TlCl
3.AA.25Lafossaite
Tl(Cl,Br)
3.AA.30Calomel
Hg
 
2
Cl
 
2
3.AA.30Kuzminite
Hg
 
2
(Br,Cl)
 
2
3.AA.30Moschelite
Hg
 
2
I
 
2
3.AA.35Neighborite
NaMgF
 
3
3.AA.40Chlorocalcite
KCaCl
 
3
3.AA.45Kolarite
PbTeCl
 
2
3.AA.55Challacolloite
KPb
 
2
Cl
 
5
3.AA.60Hephaistosite
TlPb
 
2
Cl
 
5
Related Minerals - Hey's Index Grouping:

- +
6.5.1Corderoite
Hg
2+
3
[Cl
 
2
|S
 
2
]
6.5.2Arzakite
Hg
2+
3
[(Br,Cl)
 
2
|S
 
2
]
6.5.3Lavrentievite
Hg
2+
3
[(Cl,Br)
 
2
|S
 
2
]
6.5.4Grechishchevite
Hg
2+
3
[(Br,Cl,I)
 
2
|S
 
2
]
6.5.5Radtkeite
Hg
2+
3
[Cl|I|S
 
2
]
6.5.6Capgaronnite
HgS·Ag(Cl,Br,I)
6.5.7Perroudite
Hg
 
5
Ag
 
4
S
 
5
I
 
2
Cl
 
2
6.5.8Ardaite
Pb
 
19
Sb
 
13
S
 
35
Cl
 
7
6.5.9Dadsonite
Pb
 
23
Sb
 
25
S
 
60
Cl
6.5.11Djerfisherite
K
 
6
(Cu,Fe,Ni)
 
25
S
 
26
Cl
6.5.12Thalfenisite
Tl
 
6
(Fe,Ni,Cu)
 
25
S
 
26
Cl

Other Names for Radhakrishnaite

Synonyms:
IMA1983-082
Other Languages:
German:Radhakrishnait
Spanish:Radhakrishnaita

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 Radhakrishnaite

Reference List:Canadian Mineralogist (1985): 23: 501-506.

American Mineralogist (1986): 71: 1545-1546.

Internet Links for Radhakrishnaite

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    Localities for Radhakrishnaite

    (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.
    India
     
    • Karnataka
      • Kolar Gold Fields
        • Central Schist Belt
    		Can.Min.(1985) 23, 501-506
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 13th Nov 2009 12:07:07