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Bieberite Mineral Data

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General Bieberite Information

Help on Chemical  Formula: Chemical Formula: CoSO4•7(H2O)
Help on Composition: Composition: Molecular Weight = 281.10 gm
   Cobalt    20.96 %  Co   26.66 % CoO
   Hydrogen   5.02 %  H    44.86 % H2O
   Sulfur    11.41 %  S    28.48 % SO3
   Oxygen    62.61 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Co(SO4)•7(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1845
Help on Locality: Locality: Bieber, Hessen, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its original locality.
Help on Name Pronunciation: Name Pronunciation: Bieberite + Pronunciation Say BIEBERITE
Help on Synonym: Synonym: Colbalt Vitrol
  ICSD 71454
  PDF 16-487
 

Bieberite Image

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  Bieberite

Comments: Pink crust of bieberite with dark blue chalcanthite.
Location: Katanga, Shaba, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bieberite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.1572:1:1.6793
Help on Cell Dimensions: Cell Dimensions: a = 14.13, b = 6.55, c = 11, Z = 4; beta = 105.083° V = 982.99 Den(Calc)= 1.90
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.87(1), 3.76(0.75), 4.82(0.55),
 

Physical Properties of Bieberite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Pinkish red, Flesh pink.
Help on Density: Density: 1.9
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white
 

Optical Properties of Bieberite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.014 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.014 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2542,KPDmeas= 0.2542,KC= 0.2507
Ncalc = 1.48
Help on Optical Data: Optical Data: Biaxial (-), a=1.477, b=1.483, g=1.489, bire=0.0120, 2V(Calc)=88, 2V(Meas)=88.
 

Calculated Properties of Bieberite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.96 gm/cc
note: Specific Gravity of Bieberite =1.90 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0011635864
Boson Index = 0.9988364136
Help on Photoelectric: Photoelectric: PEBieberite = 7.49 barns/electron
U=PEBieberite x rElectron Density= 14.67 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bieberite is Not Radioactive
 

Bieberite Classification

Help on  Dana Class: Dana Class: 29.06.10.04 (29)Hydrated Acid and Sulfates
  (29.06)where A XO4 � x(H2O)
  (29.06.10)Melanterite Group (Heptahydrates, Monoclinic: P21/c)
 
29.06.10.01 Melanterite FeSO4•7(H2O) P 21/c 2/m
 
29.06.10.02 Boothite CuSO4•7(H2O) P 21/c 2/m
 
29.06.10.03 Zincmelanterite (Zn,Cu,Fe)SO4•7(H2O) P 21/c 2/m
 
29.06.10.04 Bieberite CoSO4•7(H2O) P 21/c 2/m
 
29.06.10.05 Mallardite MnSO4•7(H2O) P 21/c 2/m
 
29.06.10.06 Alpersite! (Mg,Cu)SO4•7H2O P 21/c 2/m
Help on  Strunz Class: Strunz Class: 07.CB.35 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CB -With only medium-sized cations
 
07.CB.35 Bieberite CoSO4•7(H2O) P 21/c 2/m
 
07.CB.35 Boothite CuSO4•7(H2O) P 21/c 2/m
 
07.CB.35 Mallardite MnSO4•7(H2O) P 21/c 2/m
 
07.CB.35 Melanterite FeSO4•7(H2O) P 21/c 2/m
 
07.CB.35 Zincmelanterite (Zn,Cu,Fe)SO4•7(H2O) P 21/c 2/m
 
07.CB.35 Alpersite! (Mg,Cu)SO4•7H2O P 21/c 2/m
 

Other Bieberite 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 Bieberite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - WWW-MINCRYST

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

Bieberite

CoSO4•7(H2O)
Dana No: 29.06.10.04 Strunz No: 07.CB.35
Locality:

 

Notes:

 

 
   
 


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