Chalcanthite  Mineral Data

Chalcanthite Mineral Data

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General Chalcanthite Information

Help on Chemical  Formula: Chemical Formula: CuSO4•5(H2O)
Help on Composition: Composition: Molecular Weight = 249.69 gm
   Copper    25.45 %  Cu   31.86 % CuO
   Hydrogen   4.04 %  H    36.08 % H2O
   Sulfur    12.84 %  S    32.07 % SO3
   Oxygen    57.67 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu(SO4)•5(H2O)
Help on Environment: Environment: Secondary, formed in arid climates or in rapidly oxidizing copper deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) Prehistoric
Help on Locality: Locality: Walls and timbers of copper mines. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek chalkos, "copper" and anthos, "flower." Generally pseudomorphous after Boothite.
Help on Name Pronunciation: Name Pronunciation: Chalcanthite + Pronunciation Say CHALCANTHITE
Help on Synonym: Synonym: Blue Vitrol
  Copper Vitrol
  ICSD 20657
  PDF 11-646
 

Chalcanthite Image

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Chalcanthite   Chalcocyanite

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

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Chalcanthite   Dolerophanite   Fedotovite

Comments: Brown crystals of dolerophanite with blue chalcanthite and green fedotovite.
Location: Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

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Chalcanthite   Fedotovite

Comments: Green fedotovite with pale blue chalcanthite.
Location: Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

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Chalcanthite

Comments: Fibrous columnar crystalline chalcanthite.
Location: Planet Mine, La Paz County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chalcanthite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5719:1:0.5579
Help on Cell Dimensions: Cell Dimensions: a = 6.12, b = 10.7, c = 5.97, Z = 2; alpha = 97.583°, beta = 107.167°, gamma = 77.55° V = 361.55 Den(Calc)= 2.29
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.73(1), 3.71(0.85), 3.99(0.6),
Help on Forms: Forms:

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Forms: ( 0 2 1) ( 0 1 0) ( 1 3 0) ( 1 1 0) ( 1 1 1) ( 1 0 0)

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Bacon G E , Titterton D H , Zeitschrift fur Kristallographie , 141 (1975) p.330-341, Neutron-diffraction studies of CuSO4*5(H2O) and CuSO4*5(D2O)

View Additional jPOWD Structure files for Chalcanthite
[1]
 

Physical Properties of Chalcanthite

Help on Cleavage: Cleavage: {110} Imperfect, {110} Indistinct, {111} Indistinct
Help on Color: Color: Green, Green blue, Light blue, Dark blue.
Help on Density: Density: 2.12 - 2.3, Average = 2.21
Help on Diaphaneity: Diaphaneity: Subtransparent to translucent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Reniform - "Kidney like" in shape (e.g.. hematite).
Help on Habit: Habit: Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Chalcanthite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.034 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2341,KPDmeas= 0.2415,KC= 0.2336
Ncalc = 1.5 - 1.54
Help on Optical Data: Optical Data: Biaxial (-), a=1.516, b=1.539, g=1.546, bire=0.0300, 2V(Calc)=56, 2V(Meas)=56. Dispersion none.
 

Calculated Properties of Chalcanthite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.32 gm/cc
note: Specific Gravity of Chalcanthite =2.28 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0012460623
Boson Index = 0.9987539377
Help on Photoelectric: Photoelectric: PEChalcanthite = 11.43 barns/electron
U=PEChalcanthite x rElectron Density= 26.52 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chalcanthite is Not Radioactive
 

Chalcanthite Classification

Help on  Dana Class: Dana Class: 29.06.07.01 (29)Hydrated Acid and Sulfates
  (29.06)where A XO4 · x(H2O)
  (29.06.07)Chalchanthite Group (Triclinic: P-1)
 
29.06.07.01 Chalcanthite CuSO4•5(H2O) P1 1
 
29.06.07.02 Siderotil FeSO4•5(H2O) P1 1
 
29.06.07.03 Pentahydrite MgSO4•5(H2O) P1 1
 
29.06.07.04 Jokokuite MnSO4•5(H2O) P1 1
Help on  Strunz Class: Strunz Class: 07.CB.20 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CB -With only medium-sized cations
 
07.CB.20 Chalcanthite CuSO4•5(H2O) P1 1
 
07.CB.20 Jokokuite MnSO4•5(H2O) P1 1
 
07.CB.20 Pentahydrite MgSO4•5(H2O) P1 1
 
07.CB.20 Siderotil FeSO4•5(H2O) P1 1
 

Other Chalcanthite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Chalcanthite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Glendale Community College
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineral and Gemstone Kingdom
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - Philatelic Mineralogy
17 - QUT Mineral Atlas
18 - Ruff.Info
19 - WWW-MINCRYST

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

Chalcanthite

CuSO4•5(H2O)
Dana No: 29.06.07.01 Strunz No: 07.CB.20
Locality:

 

Notes: