Mineralogy Database

Putzite Mineral Data

Search Webmineral :
  
Advertisment

General Putzite Information

Help on Chemical  Formula: Chemical Formula: (Cu4.7Ag3.3)GeS6
Help on Composition: Composition: Molecular Weight = 925.86 gm
   Copper     32.81 %  Cu
   Silver     39.03 %  Ag
   Germanium   7.76 %  Ge
   Sulfur     20.40 %  S
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Cu4.78Ag3.35Ge0.99S5.89
Help on Environment: Environment: Epithermal veins hosted in rhyolite, ignimbrite and granite. Argentian variety of alpha-Cu8GeS6
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Old dumps near the Rosario vein, Capillitas mining district, Department of Andalgal�, Catamarca Province, Argentina. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Hubert Putz (1973-), who discovered the new species during field work in Catamarca, for his significant contribution to the mineralogy of germanium in the Capillitas depos it.
Help on Synonym: Synonym: IMA2002-024
 

Putzite Image

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

  Putzite   Catamarcaite

Comments: Polished section of putzite (pu) grain in close association with unnamed Cu8Fe2ZnGe2S12 (un1) and catamarcaite (ca), as inclusions in chalcocite-sphalerite (cc/sp) (CanMin 42:1761).
Location: Old dumps near the Rosario vein, Capillitas mining district, Department of Andalgalá, Catamarca Province, Argentina.. Scale: See Image.
© Canadian Mineralogist

Putzite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 10.201, Z = 4; V = 1,061.52 Den(Calc)= 5.79
Help on Crystal System: Crystal System: Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: F43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.943(1)(222), 1.805(0.7)(440), 3.074(0.6)(311),1.962(0.5)(333), 2.083(0.3)(422), 5.896(0.3)(111), 1.725(0.25)(531),
 

Physical Properties of Putzite

Help on Cleavage: Cleavage: {???} Distinct
Help on Color: Color: Iron black.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Irregular - Very brittle fracture producing irregular fragments
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
Help on Luster: Luster: Vitreous - Metallic
Help on Streak: Streak: black
 

Optical Properties of Putzite

Help on RL Anisotrophism: RL Anisotrophism: None.
Help on RL Bireflectance: RL Bireflectance: None.
Help on RL Color: RL Color: Pale rose-brownish; no internal reflections.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Putzite in Air
λ R  ∑ R(λ) 
 400 nm   33.50   
 420 nm   31.60 
 440 nm   30.60 
 460 nm   29.40 
 470 nm   28.90 
 480 nm   28.60 
 500 nm   27.80 
 520 nm   27.20 
 540 nm   26.70 
 546 nm   26.50 
 560 nm   26.30 
 580 nm   26.00 
 589 nm   25.80 
 600 nm   25.70 
 620 nm   25.40 
 640 nm   25.30 
 650 nm   25.30 
 660 nm   25.20 
 680 nm   25.20 
 700 nm   25.20 
Standardized Intensity (100%) Reflection Spectra of Putzite in Oil
λ R  ∑ R(λ) 
 400 nm   16.60   
 420 nm   15.20 
 440 nm   14.50 
 460 nm   13.90 
 470 nm   13.50 
 480 nm   13.10 
 500 nm   12.60 
 520 nm   12.10 
 540 nm   11.70 
 546 nm   11.60 
 560 nm   11.50 
 580 nm   11.20 
 589 nm   11.10 
 600 nm   11.00 
 620 nm   11.00 
 640 nm   10.90 
 650 nm   10.90 
 660 nm   10.90 
 680 nm   10.90 
 700 nm   11.00 
Calculated Relative Intensity Colors of Putzite in Air
Relative
Intensity
   0%   40%   80% 100% 120% 160% 200% 240% 280% 320% 340%
R                      
Calculated Relative Intensity Colors of Putzite in Oil
Relative
Intensity
   0%   80% 100% 160% 240% 320% 400% 480% 560% 640% 720% 770%
R                        
 

Calculated Properties of Putzite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.28 gm/cc
note: Specific Gravity of Putzite =5.79 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0075858685
Boson Index = 0.9924141315
Help on Photoelectric: Photoelectric: PEPutzite = 118.80 barns/electron
U=PEPutzite x rElectron Density= 627.05 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Putzite is Not Radioactive
 

Putzite Classification

Help on  Dana Class: Dana Class: 02.05.10.01 (02)Sulfides - Including Selenides and Tellurides
  (02.05)where Am Bn Xp, with (m+n):p=3:2
  (02.05.10)Dana Group
 
02.05.10.01 Putzite! (Cu4.7Ag3.3)GeS6 F43m 4 3m
 
02.05.10.02 Calvertite! Cu5Ge0.5S4 F m3m, F 432, or F43m Cubic
Help on  Strunz Class: Strunz Class: 02.BA.35 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BA -With Cu, Ag, Au
 
02.BA.35 Argyrodite Ag8GeS6 Pna2 mm2
 
02.BA.35 Canfieldite Ag8SnS6 P na21 mm2
 
02.BA.35 Putzite! (Cu4.7Ag3.3)GeS6 F43m 4 3m
 

Other Putzite Information

Help on References: References: NAME( CanMin, 42:1757) PHYS. PROP.(CanMin, 42:1757) OPTIC PROP.(CanMin, 42:1757)
Help on See Also: See Also: Links to other databases for Putzite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Putzite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Putzite :

Ask about Putzite 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 Espaol

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

Putzite

(Cu4.7Ag3.3)GeS6
Dana No: 02.05.10.01 Strunz No: 02.BA.35
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.