Mineralogy Database

Spionkopite Mineral Data

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General Spionkopite Information

Help on Chemical  Formula: Chemical Formula: Cu1.4S
Help on Composition: Composition: Molecular Weight = 121.03 gm
   Copper  73.51 %  Cu
   Sulfur  26.49 %  S
          100.00 % 
Help on Empirical Formula: Empirical Formula: Cu1.4S
Help on Environment: Environment: Red bed copper deposit.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Spionkop Creek and Yarrow Creek areas of 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: Spionkopite + Pronunciation Say SPIONKOPITE
Help on Synonym: Synonym: IMA1978-023

Spionkopite Image

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  Spionkopite   Yarrowite

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

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  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

Spionkopite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.80424
Help on Cell Dimensions: Cell Dimensions: a = 22.962, c = 41.429, Z = 504; V = 18,917.10 Den(Calc)= 5.35
Help on Crystal System: Crystal System: Trigonal - Ditrigonal Pyramidal H-M Symbol (3m) Space Group: P 3m1 ?
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.91(1), 3.076(0.85), 2.777(0.3),

Physical Properties of Spionkopite

Help on Color: Color: Black, Blue.
Help on Density: Density: 5.13
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Tarnishes - Freshly fractured surfaces form a surface oxidation film
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luster: Luster: Metallic

Optical Properties of Spionkopite

Help on RL Anisotrophism: RL Anisotrophism: Orange.
Help on RL Pleochroism: RL Pleochroism: Blue to bluish white.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Spionkopite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   26.10   33.40 
 420 nm   25.80   32.90 
 440 nm   25.10   32.30 
 460 nm   24.20   31.40 
 480 nm   23.00   30.50 
 500 nm   21.80   29.50 
 520 nm   20.50   28.50 
 540 nm   19.00   27.40 
 560 nm   17.60   26.40 
 580 nm   16.30   25.40 
 600 nm   14.90   24.40 
 620 nm   13.60   23.80 
 640 nm   12.40   23.80 
 660 nm   11.20   24.30 
 680 nm   10.00   24.60 
 700 nm    9.06   24.30 
Calculated Relative Intensity Colors of Spionkopite in Air
   0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 540% 600%

Calculated Properties of Spionkopite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.00 gm/cc
note: Specific Gravity of Spionkopite =5.35 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0019870628
Boson Index = 0.9980129372
Help on Photoelectric: Photoelectric: PESpionkopite = 34.51 barns/electron
U=PESpionkopite x rElectron Density= 172.68 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Spionkopite is Not Radioactive

Spionkopite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.04)where Am Bn Xp, with (m+n):p=2:1
  (02.04.07)Chalcocite Group ([Cu]2-x S] formulae) Chalcocite Cu2S P 21/c 2/m Djurleite Cu31S16 P 21/n 2/m Digenite Cu9S5 R 3m 3 2/m Roxbyite Cu1.78S C 2/m 2/m Anilite Cu7S4 P nma 2/m 2/m 2/m Geerite Cu8S5 R 3m, R 3m, or R 32 Trig Spionkopite Cu1.4S P 3m1 ? 3m
Help on  Strunz Class: Strunz Class: 02.CA.05c 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.05c Spionkopite Cu1.4S P 3m1 ? 3m

Other Spionkopite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Spionkopite :
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

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Dana No: Strunz No: 02.CA.05c





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