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Christite

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Formula:
TlHgAsS
 
3
System:MonoclinicColour:Bright orange to deep ...
Hardness:1 - 2
Name:For mineralogist Charles L. Christ (1916-1980), U.S. Geological Survey.
Dimorph of:Routhierite
This page provides mineralogical data about Christite.

Classification of Christite

IMA status:Approved 1976
Strunz 8th edition ID:2/E.12-30
Nickel-Strunz 10th (pending) edition ID:2.HD.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
D : With Tl
Dana 8th edition ID:3.4.10.1

3 : SULFOSALTS
4 : ø = 3
Hey's CIM Ref.:5.5.6

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

Type Locality:Carlin Gold mine, Elko, Lynn District, Eureka Co., Nevada, USA
Place of Conservation of Type Material:Smithsonian
Year of Discovery:1977
Geological Setting of type material:Hydrothermal barite veins
Associated Minerals at type locality:
RealgarOrpimentLoránditeBaryteGetchellite

Physical Properties of Christite

Lustre:Adamantine
Diaphaneity (Transparency):Opaque
Colour:Bright orange to deep red or crimson
Comment:Darker than realgar
Streak:Bright orange
Hardness (Mohs):1 - 2
Hardness (Vickers):VHN10=28 - 35 kg/mm2
Cleavage:Perfect
Perfect on {010}
excellent on {110} {001}
good on {101}
Density (measured):6.2 g/cm3
Density (calculated):6.37 g/cm3
Comment:Measured on synthetic material

Crystallography of Christite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 6.113Å, b = 16.188Å, c = 6.111Å
β = 96.71°
Ratio:a:b:c = 0.378 : 1 : 0.378
Unit Cell Volume:V 600.59 ų (Calculated from Unit Cell)
Z:4
Morphology:Subhedral grains to 1mm.

Chemical Properties of Christite

Formula:
TlHgAsS
 
3
Essential elements:As, Hg, S, Tl
All elements listed in formula:As, Hg, S, Tl

Relationship of Christite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.HD.05Lorándite
TlAsS
 
2
2.HD.05Weissbergite
TlSbS
 
2
2.HD.20Jankovićite
Tl
 
5
Sb
 
9
(As,Sb)
 
4
S
 
22
2.HD.20Jankovicite
2.HD.25Rebulite
Tl
 
5
Sb
 
5
As
 
8
S
 
22
2.HD.30Imhofite
Tl
 
6
CuAs
 
16
S
 
40
2.HD.35Edenharterite
PbTlAs
 
3
S
 
6
2.HD.40Jentschite
TlPbAs
 
2
SbS
 
6
2.HD.45Hutchinsonite
(Tl,Pb)
 
2
As
 
5
S
 
9
2.HD.50Bernardite
Tl(As,Sb)
 
5
S
 
8
2.HD.55Sicherite
TlAg
 
2
(As,Sb)
 
3
S
 
6
2.HD.60Gabrielite
Tl
 
6
Ag
 
3
Cu
 
6
(As,Sb)
 
9
S
 
21
Related Minerals - Hey's Index Grouping:

- +
5.5.1Lorándite
TlAsS
 
2
5.5.2Ellisite
Tl
 
3
AsS
 
3
5.5.3Imhofite
Tl
 
6
CuAs
 
16
S
 
40
5.5.4Simonite
TlHgAs
 
3
S
 
6
5.5.6Routhierite
Tl(Cu,Ag)(Hg,Zn)
 
2
(As,Sb)
 
2
S
 
6
5.5.7Hutchinsonite
(Tl,Pb)
 
2
As
 
5
S
 
9
5.5.8Wallisite
(Cu,Ag)TlPbAs
 
2
S
 
5
5.5.9Bernardite
Tl(As,Sb)
 
5
S
 
8
5.5.10Vrbaite
Tl
 
4
Hg
 
3
Sb
 
2
As
 
8
S
 
20
5.5.11Rebulite
Tl
 
5
Sb
 
5
As
 
8
S
 
22
5.5.12Gillulyite
Tl
 
2
(As,Sb)
 
8
S
 
13
5.5.13Weissbergite
TlSbS
 
2
5.5.14Rohaite
(Tl,Pb,K)
 
2
Cu
 
8.7
Sb
 
2
S
 
4
5.5.15Vaughanite
TlHgSb
 
4
S
 
7
5.5.16Chalcothallite
Tl
 
2
(Cu,Fe)
 
6
SbS
 
4
5.5.17Pierrotite
Tl
 
2
Sb
 
6
As
 
4
S
 
16
5.5.18Parapierrotite
Tl(Sb,As)
 
5
S
 
8
5.5.19Criddleite
TlAg
 
2
Au
 
3
Sb
 
10
S
 
10
5.5.20Chabournéite
Tl
 
21-x
Pb
 
2x
(Sb,As)
 
91-x
S
 
147
 (x = 0-17.5)

Other Names for Christite

Synonyms:
IMA1976-015
Other Languages:
German:Christit
Russian:Кристит
Simplified Chinese:斜硫砷汞铊矿
Spanish:Christita

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 Christite

Reference List:

- +
American Mineralogist: 62: 421-425.

Zeitschrift für Kristallographie: 144: 367-376.

Internet Links for Christite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Christite details from Handbook of Mineralogy (PDF)
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    • Localities for Christite

    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.
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    (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.
    China
     
    • Guizhou Province
      • Qianxi'nan Autonomous Prefecture
        • Xingren Co.
    		Shuren An, Xianguo An, and Xilin Li (1988): Guizhou Geology 5(4), 377; Zhong Zhang, Guoli Chen, Baogui Zhang, Yecai Chen, and Xingmao Zhang (2000): Geology and Prospecting 36(5), 27-30
    Iran
     
    • West Azarbaijan Province (West Azerbaijan Province)
      • Takab (Takan Tepe)
    		Asadi, H.H., Voncken, J.H.L, Kühnel, R.A., and Hale, M. (2000): Mineralium Deposita 35, 656-671.
    Republic of Macedonia
     
    • Roszdan
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    USA
     
    • Nevada
      • Eureka Co.
        • Lynn District
          • Elko
    		Amer.Min.(1977) 62, 421-425; Min.Rec.:20:469.
      • Humboldt Co.
        • Potosi District
          • Adam Peak
    		NBMG Spec. Pub. 31 Minerals of Nevada
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