Arsenpolybasite  Mineral Data

Arsenpolybasite Mineral Data

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


Desert Winds Gems and Minerals
[Mineral Galleries] [About Me] [e-Bay Items] [Latest News] [How to Order]
A Diverse Selection of Beautifully Unique Gem & Mineral Specimens
Desert Winds Gems & Minerals • For All Levels of Collectors Worldwide
Aesthetic & Rare Mineral Specimens • Regular Updates


General Arsenpolybasite Information

Help on Chemical  Formula: Chemical Formula: [Ag9CuS4] [(Ag,Cu)6(As,Sb)2S7]
Help on Composition: Composition: Molecular Weight = 2,074.59 gm
   Copper    12.25 %  Cu
   Silver    62.39 %  Ag
   Antimony   2.93 %  Sb
   Arsenic    5.42 %  As
   Sulfur    17.00 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Ag12Cu4As1.5Sb0.5S11
Help on Environment: Environment: Formed in silver-bearing hydrothermal veins of low to moderate temperature.
Help on IMA Status: IMA Status: Approved IMA 1963
Help on Locality: Locality: At the Neuer Morgenstern mine, Freiberg, Saxony, Germany. In Peru, at Quespisiza. From Creede, Mineral Co., Colorado, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the chemical composition and close relationship to polybasite.
Help on Name Pronunciation: Name Pronunciation: Arsenpolybasite + Pronunciation Say ARSENPOLYBASITE
Help on Synonym: Synonym: Pearceite-M2a2b2c - Suggested nomenclature from AmMin v92:918
  Pearceite-T2ac - Suggested nomenclature from AmMin v92:918
 

Arsenpolybasite Image

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

Arsenpolybasite

Comments: Back, crystalline arsenpolybasite in quartz.
Location: Medenec, Severocesky, Moravia, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Arsenpolybasite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.734:1:1.5851
Help on Cell Dimensions: Cell Dimensions: a = 26.08, b = 15.04, c = 23.84, Z = 16; beta = 90° V = 9,351.08 Den(Calc)= 5.89
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3(1), 3.19(0.9), 2.88(0.8),
Click Here for Large Arsenpolybasite 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


Bindi L , Evain M , Menchetti S , The Canadian Mineralogist , 45 (2007) p.321-333, Complex twinning, polytypism and disorder phenomena in the crystal structures, of antimonpearceite and arsenpolybasite, Locality: Freiberg, Germany, Sample: 222

 

Physical Properties of Arsenpolybasite

Help on Cleavage: Cleavage: {???} Indistinct, {001} Distinct
Help on Color: Color: Black.
Help on Density: Density: 6.18 - 6.23, Average = 6.2
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Optical Properties of Arsenpolybasite

Help on Optical Data: Optical Data: Biaxial (-), b=2.72, 2V(Meas)=22. Dispersion very strong.
Help on Pleochroism (y): Pleochroism (y): dark red.
Help on RL Pleochroism: RL Pleochroism: Weak.
 

Calculated Properties of Arsenpolybasite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.29 gm/cc
note: Specific Gravity of Arsenpolybasite =5.89 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0012751678
Boson Index = 0.9987248322
Help on Photoelectric: Photoelectric: PEArsenpolybasite = 178.68 barns/electron
U=PEArsenpolybasite x rElectron Density= 944.58 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Arsenpolybasite is Not Radioactive
 

Arsenpolybasite Classification

Help on  Dana Class: Dana Class: 03.01.07.01 (03)Sulfides - Sulfosalts
  (03.01)where z/y > 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.01.07)Polybasite group
 
03.01.07.01 Arsenpolybasite [Ag9CuS4][(Ag,Cu)6(As,Sb)2S7] C 2/m 2/m
 
03.01.07.02 Polybasite [Ag9CuS4][(Ag,Cu)6(Sb,As)2S7] C 2/m 2/m
 
03.01.07.03 Selenopolybasite! [(Ag,Cu)6(Sb,As)2(S,Se)7][Ag9Cu(S,Se)2Se2] P 3m1 3m
 
03.01.07.04 Cupropolybasite! [Cu6Sb2S7][Ag9CuS4] P 3m1 3 2/m
Help on  Strunz Class: Strunz Class: 02.GB.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.G - Sulfarsenites, sulfantimonites, sulfbismuthites
  02.GB -Neso-sulfarsenites, etc
 
02.GB.15 Antimonpearceite [Ag9CuS4][(Ag,Cu)6(Sb,As)2S7] C 2/m 2/m
 
02.GB.15 Arsenpolybasite [Ag9CuS4][(Ag,Cu)6(As,Sb)2S7] C 2/m 2/m
 
02.GB.15 Polybasite [Ag9CuS4][(Ag,Cu)6(Sb,As)2S7] C 2/m 2/m
 
02.GB.15 Pearceite [Ag9CuS4][(Ag,Cu)6(As,Sb)2S7] P 3m1 3 2/m
 
02.GB.15 Cupropearceite [Cu6As2S7][Ag9CuS4] P 3m1 3 2/m
 
02.GB.15 Selenopolybasite! [(Ag,Cu)6(Sb,As)2(S,Se)7][Ag9Cu(S,Se)2Se2] P 3m1 3m
 
02.GB.15 Cupropolybasite! [Cu6Sb2S7][Ag9CuS4] P 3m1 3 2/m
 

Other Arsenpolybasite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Arsenpolybasite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Arsenpolybasite using:

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

Visit our Advertisers for Arsenpolybasite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

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 Arsenpolybasite Mineral Data :

Ask about Arsenpolybasite 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 Arsenpolybasite Specimen Label here :

Arsenpolybasite

[Ag9CuS4] [(Ag,Cu)6(As,Sb)2S7]
Dana No: 03.01.07.01 Strunz No: 02.GB.15
Locality:

 

Notes: