Christite Mineral Data

Christite Mineral Data

[Fine Minerals] [What's New] [Mineral Galleries] [My Collection] [Mineral Auctions]
Dan Weinrich Fine Minerals
Full-time professional mineral dealer with over 31 years experience in mineral collecting
And 15 years selling mineral specimens on the internet and at major mineral shows

General Christite Information

Chemical Formula:

TlHgAsS3

Composition:

Molecular Weight = 576.09 gm

Thallium 35.48 % Tl

Mercury 34.82 % Hg

Arsenic 13.01 % As

Sulfur 16.70 % S

______

100.00 %

Empirical Formula:

TlHgAsS₃

Environment:

Dimorphous with routhierite.

IMA Status:

Approved IMA 1977

Locality:

At the Carlin gold deposit, 50 km northwest of Elko, Eureka Co., Nevada, USA. Link to MinDat.org Location Data.

Name Origin:

For Dr. Charles L. Christ, mineralogist with the U.S. Geological Survey.

Synonym:

ICSD 33705

PDF 29-1337

Search for Christite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Christite Crystallography

Axial Ratios:

a:b:c =0.3776:1:0.3775

Cell Dimensions:

a = 6.113, b = 16.188, c = 6.111, Z = 4; beta = 96.71° V = 600.59 Den(Calc)= 6.37

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/n

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.98(1), 3.62(0.8), 3.49(0.6),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Brown K L , Dickson F W , Zeitschrift fur Kristallographie , 144 (1976) p.367-376, The crystal structure of synthetic christite, HgTlAsS3, Locality: synthetic

Physical Properties of Christite

Cleavage:

[010] Perfect, [110] Perfect, [101] Good

Color:

Crimson red, Bright orange.

Density:

6.2

Hardness:

1-2 - Between Talc and Gypsum

Luster:

Adamantine

Streak:

light orange

Calculated Properties of Christite

Electron Density:

r_electron=5.35 gm/cc
note: r_Christite=6.37 gm/cc.

Fermion Index

Fermion Index = 0.1064
Boson Index = 0.8936

Photoelectric:

PE_Christite=1,218.74 barns/electron
U=PE_Christite x r_electron=6,522.35 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Christite is Not Radioactive

Christite Classification

Dana Class:

3.4.10.1 (3)Sulfides - Sulfosalts

(3.4)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(3.4.10)Dana Group

3.4.10.1 Christite TlHgAsS3 P 2₁/n 2/m

3.4.10.2 Laffittite AgHgAsS3 Aa m

Strunz Class:

II/E.12-30 II - Sulfides and sulphosalts

II/E - Sulfosalts (S : As,Sb,Bi = x) Sulfosalts with predominant Thallium and Mercury, x = 4.0 - 1.6

II/E.12 - Laffittite - Hatchite series

II/E.12-10 Laffittite AgHgAsS3 Aa m

II/E.12-20 Routhierite TlCu(Hg,Zn)2(As,Sb)2S3 I 4mm 4mm

II/E.12-25 Stalderite TlCu(Zn,Fe,Hg)2As2S6 I 42m 4 2m

II/E.12-30 Christite TlHgAsS3 P 2₁/n 2/m

II/E.12-40 Ellisite Tl3AsS3 R 3m 3m

II/E.12-45 Erniggliite Tl2SnAs2S6 P 3 3

II/E.12-60 Wallisite PbTl(Cu,Ag)As2S5 P1 1

II/E.12-70 Hatchite (Pb,Tl)2AgAs2S5 P1 or P1 1

II/E.12-80 Sicherite! TlAg2(As,Sb)3S6 Pmnb 2/m 2/m 2/m

Other Christite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Christite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

Search for Christite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Christite :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Christite Mineral Data :

Ask about Christite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Christite Specimen Label here :

Christite

TlHgAsS3
Dana No: 3.4.10.1 Strunz No: II/E.12-30
Locality:

Notes: