Bianchite Mineral Data + 
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- 29.6.8.1 Hexahydrite MgSO4·6(H2O) A2/a 2/m
- 29.6.8.2 Bianchite (Zn,Fe)(SO4)·6(H2O) C 2/c 2/m
- 29.6.8.3 Ferrohexahydrite FeSO4·6(H2O) C 2/c 2/m
- 29.6.8.4 Nickelhexahydrite (Ni,Mg,Fe)(SO4)·6(H2O) C 2/c 2/m
- 29.6.8.5 Moorhouseite (Co,Ni,Mn)SO4·6(H2O) C 2/c 2/m
- 29.6.8.6 Chvaleticeite (Mn,Mg)SO4·6(H2O) C 2/c 2/m
- VI/C.05-10 Hexahydrite MgSO4·6(H2O) A2/a 2/m
- VI/C.05-20 Ferrohexahydrite FeSO4·6(H2O) C 2/c 2/m
- VI/C.05-30 Chvaleticeite (Mn,Mg)SO4·6(H2O) C 2/c 2/m
- VI/C.05-40 Moorhouseite (Co,Ni,Mn)SO4·6(H2O) C 2/c 2/m
- VI/C.05-50 Nickelhexahydrite (Ni,Mg,Fe)(SO4)·6(H2O) C 2/c 2/m
- VI/C.05-60 Bianchite (Zn,Fe)(SO4)·6(H2O) C 2/c 2/m
- VI/C.05-70 Retgersite NiSO4·6(H2O) P 41212,P 43212 4 2 2
General Bianchite Information |
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 Chemical Formula: |
(Zn,Fe++)(SO4)·6(H2O) | ||
| Composition: |
Molecular Weight = 267.16 gm | ||
| Zinc 18.36 % Zn 22.85 % ZnO | |||
| Iron 5.23 % Fe 6.72 % FeO | |||
| Hydrogen 4.53 % H 40.46 % H2O | |||
| Sulfur 12.00 % S 29.97 % SO3 | |||
| Oxygen 59.89 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Zn0.75Fe2+0.25(SO4)·6(H2O) | ||
| IMA Status: |
Valid Species (Pre-IMA) 1930 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 41708 | ||
| PDF 16-Dec | |||
Bianchite Image | |||
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Images:
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Bianchite Crystallography |
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| Axial Ratios: |
a:b:c =1.402:1:3.4011 | ||
| Cell Dimensions: |
a = 10.096, b = 7.201, c = 24.492, Z = 8; beta = 98.27° V = 1,762.08 Den(Calc)= 2.01 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 4.42(1), 4.03(0.9), 2.965(0.8), | ||
Physical Properties of Bianchite |
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| Color: |
Colorless, Yellow, Yellowish white, White, Light blue. | ||
| Density: |
2.03 | ||
| Diaphaniety: |
Transparent | ||
| Hardness: |
2.5 - Finger Nail | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Bianchite |
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| Gladstone-Dale: |
CI meas= 0.002 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.007 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2411,KPDmeas= 0.2388,KC= 0.2393 |
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| Optical Data: |
Biaxial (-), a=1.465, b=1.494, g=1.495, bire=0.0300, 2V(Calc)=20, 2V(Meas)=10. | ||
Calculated Properties of Bianchite |
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| Electron Density: |
relectron=2.08 gm/cc |
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| Fermion Index |
Fermion Index = 0.00982 Boson Index = 0.99018 |
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| Photoelectric: |
PEBianchite = 10.90 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Bianchite is Not Radioactive |
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Bianchite Classification |
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| Dana Class: |
29.6.8.2 (29)Hydrated Acid and Sulfates | ||
| (29.6)where A XO4 · x(H2O) | |||
| (29.6.8)Hexahydrite Group (Space Group: C2/c) | |||
| Strunz Class: |
VI/C.05-60 VI - Sulfates,Chromates,Molybdates and Tungstates | ||
| VI/C - Water-bearing sulfates without unfamiliar anions. cations of medium size | |||
| VI/C.05 - Hexahydrite group | |||
Other Bianchite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Bianchite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 - Franklin Minerals(Dunn) 6 -Google Images 7 -Google Scholar 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 -Mineralienatlas (Deutsch) 13 -QUT Mineral Atlas 14 -École des Mines de Paris Search for Bianchite using: Visit our Advertisers for Bianchite : Translate Bianchite Mineral Data : Ask about Bianchite here : Print or Cut-and-Paste your Bianchite Specimen Label here :
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