Jentschite Mineral Data

Jentschite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[On-Line Catalogue] [On-Line Auctions] [eBay] [Contact Us] [Policies]
We specialize in fine European and Asian Mineral Specimens
Heliodor is based in Prague, Czech Republic


General Jentschite Information

Help on Chemical Formula: Chemical Formula: TlPbAs2SbS6
Help on Composition: Composition: Molecular Weight = 875.57 gm
   Thallium  23.34 %  Tl
   Antimony  13.91 %  Sb
   Arsenic   17.11 %  As
   Lead      23.66 %  Pb
   Sulfur    21.97 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: TlPbAs2SbS6
Help on IMA Status: IMA Status: Approved IMA 1996 (Dana # Added)
Help on Locality: Locality: Lengenbach, Binntal, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Franz Jentsch (1868-1908), head of the Binn syndicate that worked the sulfosalt deposit at the Lengenbach quarry.
Help on Name Pronunciation: Name Pronunciation: Jentschite + Pronunciation Say JENTSCHITE
Help on Synonym: Synonym: ICSD 83272
  IMA1993-025
 

Jentschite Image

Click Here for Larger Jentschite Image in a New Browser Window Images:
Click Here for Larger Jentschite Image

Jentschite

Comments: Black and dark red translucent needles of jentschite on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture width 1 cm.
© Walter Gabriel

Jentschite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.3388:1:0.2439
Help on Cell Dimensions: Cell Dimensions: a = 8.121, b = 23.969, c = 5.847, Z = 4; beta = 107.68° V = 1,084.37 Den(Calc)= 5.36
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.823(1), 3.587(0.86), 2.778(0.84),
Click Here for Large Jentschite Structure Window 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


Berlepsch P , Schweizerische Mineralogische und Petrographische Mitteilungen , 76 (1996) p.147-157, Crystal structure and crystal chemistry of the homeotypes edenharterite, (TlPbAs3S6) and jentschite (TlPbAs2SbS6) from Lengenbach, Binntal (Switzerland), Locality: Lengenbach quarry, Binntal, Valais, Switzerland

 

Physical Properties of Jentschite

Help on Cleavage: Cleavage: {101} Perfect
Help on Color: Color: Black, Dark red.
Help on Density: Density: 5.24
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: dark red
 

Calculated Properties of Jentschite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.60 gm/cc
note: Specific Gravity of Jentschite =5.36 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEJentschite = 884.53 barns/electron
U=PEJentschite x rElectron Density=4,071.95 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jentschite is Not Radioactive
 

Jentschite Classification
Help on Dana Class: Dana Class: 03.07.10.03 (03)Sulfides - Sulfosalts
  (03.07)where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.07.10)Simonite Group
 
03.07.10.01 Simonite TlHgAs3S6 P 21/n 2/m
 
03.07.10.02 Edenharterite TlPbAs3S6 F dd2 mm2
 
03.07.10.03 Jentschite! TlPbAs2SbS6 P 21/n 2/m
 
03.07.10.04 Sicherite! TlAg2(As,Sb)3S6 Pmnb 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 02.HD.40 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.H - Sulfosalts of SnS Archetype
  02.HD -With Tl
 
02.HD.40 Jentschite! TlPbAs2SbS6 P 21/n 2/m
 

Other Jentschite Information
Help on References: References: NAME( CanMin, 8/99) PHYS. PROP.(Min.Mag.,Vol.61,p131-137,1997)
Help on See Also: See Also: Links to other databases for Jentschite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (MinSocAm)
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info

Search for Jentschite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Jentschite :

AA Mineral Specimens

B & L Fine Minerals

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Jentschite Mineral Data :

Ask about Jentschite 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 Espaņol

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

Jentschite

TlPbAs2SbS6
Dana No: 03.07.10.03 Strunz No: 02.HD.40
Locality:

 

Notes: