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Tvalchrelidzeite

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Gomi As-Sb-Hg deposit, Oni District, Racha-Lochkhumi-Kvemo Svaneti Region, Georgia
© Pavel M. Kartashov

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Formula:
Hg
 
3
SbAsS
 
3
System:MonoclinicColour:Lead-gray, very dark red
Hardness:3
Name:Named after A.A. Tvalchrelidze (b. 1915), academician, Georgia Academy of Science.
This page provides mineralogical data about Tvalchrelidzeite.

Classification of Tvalchrelidzeite

IMA status:Approved 1974
Strunz 8th edition ID:2/E.13-70
Nickel-Strunz 10th (pending) edition ID:2.GC.45

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
C : Poly-sulfarsenites
Dana 8th edition ID:3.8.3.1

3 : SULFOSALTS
8 : 1 < ø < 2
Hey's CIM Ref.:5.4.8

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
4 : Sulpharsenites etc. of Zn and Hg
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Type Occurrence of Tvalchrelidzeite

Type Locality:Gomi As-Sb-Hg deposit, Oni District, Racha-Lochkhumi-Kvemo Svaneti Region, Georgia
Year of Discovery:1974

Physical Properties of Tvalchrelidzeite

Lustre:Adamantine
Diaphaneity (Transparency):Translucent
Colour:Lead-gray, very dark red
Streak:Red-black
Hardness (Mohs):3

Crystallography of Tvalchrelidzeite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 11.5526Å, b = 4.3852Å, c = 156373Å
β = 91.845(2)°
Ratio:a:b:c = 2.634 : 1 : 35659.263
Unit Cell Volume:V 791.79 ų
Comment:Space group P21/n.

Chemical Properties of Tvalchrelidzeite

Formula:
Hg
 
3
SbAsS
 
3
Essential elements:As, Hg, S, Sb
All elements listed in formula:As, Hg, S, Sb
Common Impurities:Cu

Relationship of Tvalchrelidzeite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.GC.05Hatchite
AgTlPbAs
 
2
S
 
5
2.GC.05Wallisite
(Cu,Ag)TlPbAs
 
2
S
 
5
2.GC.10Sinnerite
Cu
 
6
As
 
4
S
 
9
2.GC.15Watanabeite
Cu
 
4
(As,Sb)
 
2
S
 
5
2.GC.20Simonite
TlHgAs
 
3
S
 
6
2.GC.25Quadratite
Ag(Cd,Pb)AsS
 
3
2.GC.25Manganoquadratite
AgMnAsS
 
3
2.GC.30Smithite
AgAsS
 
2
2.GC.35Trechmannite
AgAsS
 
2
2.GC.40aAleksite
PbBi
 
2
Te
 
2
S
 
2
2.GC.40bKochkarite
PbBi
 
4
Te
 
7
2.GC.40cPoubaite
PbBi
 
2
(Se,Te,S)
 
4
2.GC.40cRucklidgeite
(Bi,Pb)
 
3
Te
 
4
2.GC.40eBabkinite
Pb
 
2
Bi
 
2
(S,Se)
 
3
2.GC.40dSaddlebackite
Pb
 
2
Bi
 
2
Te
 
2
S
 
3
2.GC.50Mutnovskite
Pb
 
4
As
 
2
S
 
6
ICl
Related Minerals - Hey's Index Grouping:

- +
5.4.1Nowackiite
Cu
 
6
Zn
 
3
As
 
4
S
 
12
5.4.2Florensovite
(Cu,Zn)Cr
 
1.5
Sb
 
0.5
S
 
4
5.4.3Aktashite
Cu
 
6
Hg
 
3
As
 
4
S
 
12
5.4.4Laffittite
AgHgAsS
 
3
5.4.5Galkhaite
(Cs,Tl)(Hg,Cu,Zn)
 
6
(As,Sb)
 
4
S
 
12
5.4.6Livingstonite
HgSb
 
4
S
 
8
5.4.7Gruzdevite
Cu
 
6
Hg
 
3
Sb
 
4
S
 
12
5.4.9Hakite
(Cu,Hg,Ag)
 
12
Sb
 
4
(Se,S)
 
13

Other Names for Tvalchrelidzeite

Synonyms:
IMA1974-052
Other Languages:
German:Tvalchrelidzeit
Simplified Chinese:硫砷锑汞矿
Spanish:Tvalchrelidzeita
Traditional Chinese:硫砷銻汞礦

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 Tvalchrelidzeite

Reference List:

- +
Doklady Akademii Nauk SSSR (1975): 225: 911-913.

American Mineralogist (1977): 62: 174.

Doklady Akademii Nauk SSSR, Earth Science Sections: 225: 123-125.

Doklady Akademii Nauk SSSR: 290: 1208-1211.

Yang, H., Downs, R.T., Costin, G., Eichler, C.M. (2007): Crystal structure and revision of chemical formula of tvalchrelidzeite, Hg3SbAsS3. Canadian Mineralogist, 45, 1529-1533.

Transactions of the Russian Academy of Sciences/Earth Science Sections: 290: 184-187.

American Mineralogist (1989): 74: 949.

Internet Links for Tvalchrelidzeite

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  • American Mineralogist Crystal Structure Database
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    • Localities for Tvalchrelidzeite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    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
     
    • Ontario
      • Thunder Bay District
        • Marathon
    		[MinRec 17:340]
    Econ Geol (1997) 92:569-577
    Georgia
     
    • Racha-Lochkhumi-Kvemo Svaneti Region
      • Oni District
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Kyrgyzstan
     
    • Osh Oblast
      • Alai (Alay) Range
    		[Lapis 1993:11 p11-24]; Am Min 74:949
    Russia
     
    • Western-Siberian Region
      • Altaiskii Krai
        • Gornyi Altai
    		American Mineralogist, 74:949
    USA
     
    • Nevada
      • Humboldt Co.
        • Potosi District
          • Adam Peak
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
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