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Christite

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Charles L. Christ
Formula:
TlHgAsS3
Colour:
Bright orange to deep red or crimson
Lustre:
Adamantine
Hardness:
1 - 2
Specific Gravity:
6.2
Crystal System:
Monoclinic
Name:
For mineralogist Charles L. Christ (1916-1980), U.S. Geological Survey.
The Hg analogue of richardsollyite.


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Classification of ChristiteHide

Approved
Approval Year:
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

Physical Properties of ChristiteHide

Adamantine
Transparency:
Opaque
Colour:
Bright orange to deep red or crimson
Comment:
Darker than realgar
Streak:
Bright orange
Hardness:
1 - 2 on Mohs scale
Hardness:
VHN10=28 - 35 kg/mm2 - Vickers
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

Chemical Properties of ChristiteHide

Formula:
TlHgAsS3

Crystallography of ChristiteHide

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

Type Occurrence of ChristiteHide

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

Synonyms of ChristiteHide

Other Language Names for ChristiteHide

German:Christit
Simplified Chinese:斜硫砷汞铊矿
Spanish:Christita

Related Minerals - Nickel-Strunz GroupingHide

2.HD.05LoránditeTlAsS2Mon. 2/m : P21/b
2.HD.05WeissbergiteTlSbS2Tric. 1 : P1
2.HD.20JankovićiteTl5Sb9(As,Sb)4S22Tric. 1 : P1
2.HD.25RebuliteTl5Sb5As8S22Mon. 2/m : P21/b
2.HD.30ImhofiteTl5.8As15.4S26Mon. 2/m
2.HD.35EdenharteritePbTlAs3S6Orth.
2.HD.40JentschiteTlPbAs2SbS6Mon.
2.HD.45HutchinsoniteTlPbAs5S9Orth.
2.HD.50BernarditeTlAs5S8Mon. 2/m : P21/b
2.HD.55SicheriteTlAg2(As,Sb)3S6Orth.
2.HD.60GabrieliteTl6Ag3Cu6(As,Sb)9S21Tric. 1 : P1

Related Minerals - Dana Grouping (8th Ed.)Hide

3.4.10.2LaffittiteAgHgAsS3Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

5.5.1LoránditeTlAsS2Mon. 2/m : P21/b
5.5.2EllisiteTl3AsS3Trig. 3m : R3m
5.5.3ImhofiteTl5.8As15.4S26Mon. 2/m
5.5.4SimoniteTlHgAs3S6Mon. 2/m
5.5.6RouthieriteTl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6Tet. 4 2m : I4 2m
5.5.7HutchinsoniteTlPbAs5S9Orth.
5.5.8Wallisite(Cu,Ag)TlPbAs2S5Tric.
5.5.9BernarditeTlAs5S8Mon. 2/m : P21/b
5.5.10VrbaiteHg3Tl4As8Sb2S20Orth. mmm (2/m 2/m 2/m) : Cmca
5.5.11RebuliteTl5Sb5As8S22Mon. 2/m : P21/b
5.5.12GillulyiteTl2(As,Sb)8S13Mon.
5.5.13WeissbergiteTlSbS2Tric. 1 : P1
5.5.14Rohaite(Tl,Pb,K)2Cu8.7Sb2S4Orth.
5.5.15VaughaniteTlHgSb4S7Tric.
5.5.16ChalcothalliteTl2(Cu,Fe)6SbS4Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
5.5.17PierrotiteTl2(Sb,As)10S16Orth. mm2 : Pna21
5.5.18ParapierrotiteTlSb5S8Mon. m
5.5.19CriddleiteTlAg2Au3Sb10S10Mon.
5.5.20ChabournéiteTl4Pb2(Sb,As)20S34Tric. 1 : P1

Other InformationHide

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 ChristiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 62: 421-425.
Zeitschrift für Kristallographie: 144: 367-376.

Internet Links for ChristiteHide

Localities for ChristiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
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
  • Hunan Province
    • Changde Prefecture
      • Shimen Co.
        • Shimen As-(Au) deposit (Huangchang As-(Au) deposit)
Dan Topa & Uwe Kolitsch (EPMA- and SXRD-analyses, 2015-2017)
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
 
  • Kavadarci
    • Rožden (Rozhden; 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
    • Lander Co.
      • Cortez District
Clark, L. R. (2012). Ore and gangue mineral paragenesis of the Cortez Hills Carlin-type gold deposit, Nevada: evidence for coincident high-grade gold deposition and collapse brecciation. MS Thesis, University of Nevada
Mineral and/or Locality  
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