Chalcocyanite Mineral Data

Chalcocyanite Mineral Data
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General Chalcocyanite Information

Help on Chemical Formula: Chemical Formula: CuSO4
Help on Composition: Composition: Molecular Weight = 159.61 gm
   Copper  39.81 %  Cu   49.84 % CuO
   Sulfur  20.09 %  S    50.16 % SO3
   Oxygen  40.10 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu(SO4)
Help on Environment: Environment: Sublimates near volcanic fumaroles.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1873
Help on Locality: Locality: Mount Vesuvius, Campania, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for copper and azure-blue, in allusion to the composition and color change caused by hydration.
Help on Synonym: Synonym: Chalcokyanite
  Hydrocyanite
  ICSD 71017
  PDF 15-775
 

Chalcocyanite Image

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Chalcocyanite   Chalcanthite

Comments: White to pale bluish chalcocyanite with darker bluish chalcanthite. The mineral is hygroscopic and must be stored in a closed box.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Chalcocyanite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.7973:1:0.5744
Help on Cell Dimensions: Cell Dimensions: a = 6.69, b = 8.39, c = 4.82, Z = 4; V = 270.54 Den(Calc)= 3.92
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pmnb
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.549(1), 2.62(0.95), 4.187(0.75),
Help on Forms: Forms:

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Forms: ( 2 1 0) ( 0 1 1) ( 1 1 0) ( 1 1 2) ( 1 0 2) ( 1 0 0) ( 1 0 1)

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Click Here for Large Chalcocyanite Structure Window Crystal Structure:

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Wildner M , Giester G , Mineralogy and Petrology , 39 (1988) p.201-209, Crystal structure refinements of synthetic, chalcocyanite (CuSO4) and zincosite (ZnSO4), Locality: synthetic

 

Physical Properties of Chalcocyanite

Help on Color: Color: Blue, Brown, Green, Yellow, Yellow brown.
Help on Density: Density: 3.65
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Chalcocyanite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.156 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.076 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1867,KPDmeas= 0.2005,KC= 0.1735
Ncalc = 1.63 - 1.68
Help on Optical Data: Optical Data: Biaxial (-), a=1.724, b=1.733, g=1.739, bire=0.0150, 2V(Calc)=78, 2V(Meas)=70.
 

Calculated Properties of Chalcocyanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.78 gm/cc
note: Specific Gravity of Chalcocyanite =3.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0016992327
Boson Index = 0.9983007673
Help on Photoelectric: Photoelectric: PEChalcocyanite = 18.63 barns/electron
U=PEChalcocyanite x rElectron Density= 70.45 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chalcocyanite is Not Radioactive
 

Chalcocyanite Classification
Help on Dana Class: Dana Class: 28.03.03.01 (28)Anhydrous Acid and Sulfates
  (28.03)(A++) XO4
  (28.03.03)Dana Group
 
28.03.03.01 Chalcocyanite CuSO4 Pmnb 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 07.AB.10 07 - SULFATES (SELENATES, TELLURATES)
  07.A - Sulfates (selenates, etc.) without Additional Anions, without H2O
  07.AB -With medium-sized cations
 
07.AB.10 Chalcocyanite CuSO4 Pmnb 2/m 2/m 2/m
 
07.AB.10 Zincosite* ZnSO4 Unk Ortho
 

Other Chalcocyanite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Chalcocyanite :
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
15 - WWW-MINCRYST

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Chalcocyanite

CuSO4
Dana No: 28.03.03.01 Strunz No: 07.AB.10
Locality:

 

Notes: