Yarrowite  Mineral Data

Yarrowite Mineral Data

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

Advertisment
Your premier supplier of quality mineral specimens from Southern Africa and the world at large
Adamsminerals.com- Online mineral store front for mineral collectors
Hudson Institute of Mineralogy
Our Mission is Simple: RMS will be the go-to portal for all mineral, gem and rock shows in the USA

General Yarrowite Information

Help on Chemical  Formula: Chemical Formula: Cu9S8
Help on Composition: Composition: Molecular Weight = 828.44 gm
   Copper  69.03 %  Cu
   Sulfur  30.97 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Cu9S8
Help on Environment: Environment: As weathering-produced lamellar replacements of other copper sulfides in stratabound re-bed copper deposits (Yarrow and Spionkop Creeks, Canada).
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Yarrow Creek, southwestern Alberta, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Yarrowite + Pronunciation Say YARROWITE
Help on Synonym: Synonym: IMA1978-022
 

Yarrowite Image

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

Yarrowite   Spionkopite

Comments: Blue-black metallic granular spionkopite, intermixed with yarrowite altering, with quartz.
Location: Yarrow Creek, Alberta, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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

Yarrowite   Spionkopite

Comments: Blue-gray metallic yarrowite grains in granular quartz rock with spionkopite.
Location: Yarrow Creek, Alberta, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Yarrowite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:17.7
Help on Cell Dimensions: Cell Dimensions: a = 3.8, c = 67.26, Z = 3; V = 841.11 Den(Calc)= 4.91
Help on Crystal System: Crystal System: Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: P 3m1 ?
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.899(1), 3.061(0.55), 2.767(0.35),
 

Physical Properties of Yarrowite

Help on Cleavage: Cleavage: {0001} Distinct
Help on Color: Color: Black, Blue.
Help on Density: Density: 4.89
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Stellate - Occurs as spherical, radial aggregates radiating from a "star" like point.
Help on Habit: Habit: Tarnishes - Freshly fractured surfaces form a surface oxidation film
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic
 

Optical Properties of Yarrowite

Help on RL Anisotrophism: RL Anisotrophism: Strong, orange-red.
Help on RL Color: RL Color: Blue, blue with a slight violet tint in oil.
Help on RL Pleochroism: RL Pleochroism: Blue to bluish white.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Yarrowite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   19.20   32.90 
   
 420 nm   18.60   32.30 
 440 nm   17.90   31.40 
 460 nm   16.90   30.50 
 480 nm   15.60   29.50 
 500 nm   14.20   28.20 
 520 nm   12.40   27.00 
 540 nm   10.70   25.60 
 560 nm    9.08   24.30 
 580 nm    7.51   23.10 
 600 nm    6.15   22.20 
 620 nm    5.02   22.20 
 640 nm    4.33   23.00 
 660 nm    4.38   23.60 
 680 nm    5.96   23.40 
 700 nm    9.44   23.00 
Calculated Relative Intensity Colors of Yarrowite in Air
Relative
Intensity
   0% 100% 200% 300% 400% 500% 600% 700% 800% 900% 1000%
R1                      
R2                      
 

Calculated Properties of Yarrowite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.61 gm/cc
note: Specific Gravity of Yarrowite =4.91 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0023223835
Boson Index = 0.9976776165
Help on Photoelectric: Photoelectric: PEYarrowite = 32.63 barns/electron
U=PEYarrowite x rElectron Density= 150.45 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Yarrowite is Not Radioactive
 

Yarrowite Classification

Help on  Dana Class: Dana Class: 02.07.03.01 (02)Sulfides - Including Selenides and Tellurides
  (02.07)where Am Bn Xp, with (m+n):p=9:8
  (02.07.03)Dana Group
 
02.07.03.01 Yarrowite Cu9S8 P 3m1 ? 3m
Help on  Strunz Class: Strunz Class: 02.CA.05d 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CA -With Cu
 
02.CA.05d Yarrowite Cu9S8 P 3m1 ? 3m
 

Other Yarrowite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Yarrowite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Yarrowite using:

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

Visit our Advertisers for Yarrowite :

A Bijoux Google Search for Yarrowite
Adam's Minerals Google Search for Yarrowite
Cape Minerals Google Search for Yarrowite
Dakota Matrix Minerals Google Search for Yarrowite
Excalibur Mineral Corp. Google Search for Yarrowite
Exceptional Minerals Google Search for Yarrowite
John Betts Fine Minerals Search for Yarrowite
McDougall Minerals Google Search for Yarrowite
Mineral News Website Link
Rock and Mineral Shows Google Search for Yarrowite
Weinrich Minerals, Inc. Google Search for Yarrowite

Ask about Yarrowite 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 Yarrowite Specimen Label here :

Yarrowite

Cu9S8
Dana No: 02.07.03.01 Strunz No: 02.CA.05d
Locality:

 

Notes: