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Christite

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Formula:
TlHgAsS3
System:
Monoclinic
Colour:
Bright orange to deep ...
Hardness:
1 - 2
Name:
For mineralogist Charles L. Christ (1916-1980), U.S. Geological Survey.
Dimorph of:
This page provides mineralogical data about Christite.

Classification of Christite

Approved 1976
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
3.4.10.1

3 : SULFOSALTS
4 : ø = 3
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

Place of Conservation of Type Material:
Smithsonian
Year of Discovery:
1976
Geological Setting of Type Material:
Hydrothermal barite veins
Associated Minerals at Type Locality:

Physical Properties of Christite

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:
6.2 g/cm3 (Measured)    6.37 g/cm3 (Calculated)
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:
TlHgAsS3
Essential elements:
All elements listed in formula:

Relationship of Christite to other Species

2.HD.05LoránditeTlAsS2
2.HD.05WeissbergiteTlSbS2
2.HD.20JankovićiteTl5Sb9(As,Sb)4S22
2.HD.25RebuliteTl5Sb5As8S22
2.HD.30ImhofiteTl5.8As15.4S26
2.HD.35EdenharteritePbTlAs3S6
2.HD.40JentschiteTlPbAs2SbS6
2.HD.45HutchinsoniteTlPbAs5S9
2.HD.50BernarditeTl(As,Sb)5S8
2.HD.55SicheriteTlAg2(As,Sb)3S6
2.HD.60GabrieliteTl6Ag3Cu6(As,Sb)9S21
5.5.1LoránditeTlAsS2
5.5.2EllisiteTl3AsS3
5.5.3ImhofiteTl5.8As15.4S26
5.5.4SimoniteTlHgAs3S6
5.5.6RouthieriteTl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6
5.5.7HutchinsoniteTlPbAs5S9
5.5.8Wallisite(Cu,Ag)TlPbAs2S5
5.5.9BernarditeTl(As,Sb)5S8
5.5.10VrbaiteTl4Hg3Sb2As8S20
5.5.11RebuliteTl5Sb5As8S22
5.5.12GillulyiteTl2(As,Sb)8S13
5.5.13WeissbergiteTlSbS2
5.5.14Rohaite(Tl,Pb,K)2Cu8.7Sb2S4
5.5.15VaughaniteTlHgSb4S7
5.5.16ChalcothalliteTl2(Cu,Fe)6SbS4
5.5.17PierrotiteTl2Sb6As4S16
5.5.18ParapierrotiteTl(Sb,As)5S8
5.5.19CriddleiteTlAg2Au3Sb10S10
5.5.20ChabournéiteTl21-xPb2x(Sb,As)91-xS147 (x = 0-17.5)

Other Names for Christite

Name in Other Languages:
German:Christit
Simplified Chinese:斜硫砷汞铊矿
Spanish:Christita

Other Information

Health Risks:
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

Localities for Christite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 (TL)
 
  • Nevada
    • Eureka Co.
      • Lynn District
        • Elko
Amer.Min.(1977) 62, 421-425; Min.Rec.:20:469.
    • Humboldt Co.
      • Osgood Mts
        • Potosi District
          • Adam Peak
NBMG Spec. Pub. 31 Minerals of Nevada
Mineral and/or Locality  
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