Bieberite Mineral Data + 
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- 29.6.10.1 Melanterite FeSO4·7(H2O) P 21/c 2/m
- 29.6.10.2 Boothite CuSO4·7(H2O) P 21/c 2/m
- 29.6.10.3 Zinc-melanterite (Zn,Cu,Fe)SO4·7(H2O) P 21/c 2/m
- 29.6.10.4 Bieberite CoSO4·7(H2O) P 21/c 2/m
- 29.6.10.5 Mallardite MnSO4·7(H2O) P 21/c 2/m
- 29.6.10.6 IMA2003-040! (Mg,Cu)SO4·7H2O P 21/c 2/m
- VI/C.06-10 Melanterite FeSO4·7(H2O) P 21/c 2/m
- VI/C.06-20 Mallardite MnSO4·7(H2O) P 21/c 2/m
- VI/C.06-30 Bieberite CoSO4·7(H2O) P 21/c 2/m
- VI/C.06-40 Boothite CuSO4·7(H2O) P 21/c 2/m
- VI/C.06-50 Zinc-melanterite (Zn,Cu,Fe)SO4·7(H2O) P 21/c 2/m
General Bieberite Information |
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 Chemical Formula: |
CoSO4·7(H2O) | ||
| 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 | |||
| Empirical Formula: |
Co(SO4)·7(H2O) | ||
| IMA Status: |
Valid Species (Pre-IMA) 1845 | ||
| Locality: |
Bieber, Hessen, Germany. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named after its original locality. | ||
| Synonym: |
Colbalt Vitrol | ||
| ICSD 71454 | |||
| PDF 16-487 | |||
Bieberite Image | |||
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Images:
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Bieberite Crystallography |
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| Axial Ratios: |
a:b:c =2.1572:1:1.6793 | ||
| Cell Dimensions: |
a = 14.13, b = 6.55, c = 11, Z = 4; beta = 105.083° V = 982.99 Den(Calc)= 1.90 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 4.87(1), 3.76(0.75), 4.82(0.55), | ||
Physical Properties of Bieberite |
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| Cleavage: |
[001] Perfect | ||
| Color: |
Pinkish red, Flesh pink. | ||
| Density: |
1.9 | ||
| Diaphaniety: |
Translucent | ||
| Fracture: |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. | ||
| Habit: |
Encrustations - Forms crust-like aggregates on matrix. | ||
| Habit: |
Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite). | ||
| Hardness: |
2 - Gypsum | ||
| Luster: |
Vitreous - Dull | ||
| Streak: |
white | ||
Optical Properties of Bieberite |
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| 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 |
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| 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 |
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| Electron Density: |
relectron=1.96 gm/cc |
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| Fermion Index |
Fermion Index = 0.00116 Boson Index = 0.99884 |
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| Photoelectric: |
PEBieberite = 7.49 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Bieberite is Not Radioactive |
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Bieberite Classification |
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| Dana Class: |
29.6.10.4 (29)Hydrated Acid and Sulfates | ||
| (29.6)where A XO4 · x(H2O) | |||
| (29.6.10)Melanterite Group (Heptahydrates, Monoclinic: P21/c) | |||
| Strunz Class: |
VI/C.06-30 VI - Sulfates,Chromates,Molybdates and Tungstates | ||
| VI/C - Water-bearing sulfates without unfamiliar anions. cations of medium size | |||
| VI/C.06 - Melanterite group | |||
Other Bieberite Information |
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| References: |
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) | ||
| See Also: |
Links to other databases for Bieberite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris Search for Bieberite using: Visit our Advertisers for Bieberite : Translate Bieberite Mineral Data : Ask about Bieberite here : Print or Cut-and-Paste your Bieberite Specimen Label here :
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