Kuzelite Mineral Data + 
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- 6.4.12.1 Kuzelite ! Ca4Al2.4(OH)12.8(SO4)·6(H2O) R 3 3
- IV/F.10-10 Hydrocalumite Ca2Al(OH)6[Cl1-x(OH)x]·3(H2O) P 21 2
- IV/F.10-20 Kuzelite Ca4Al2.4(OH)12.8(SO4)·6(H2O) R 3 3
General Kuzelite Information |
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 Chemical Formula: |
Ca4Al2.4(OH)12.8(SO4)·6(H2O) | ||
| Composition: |
Molecular Weight = 622.52 gm | ||
| Calcium 25.75 % Ca 36.03 % CaO | |||
| Aluminum 8.67 % Al 16.38 % Al2O3 | |||
| Hydrogen 3.89 % H 34.73 % H2O | |||
| Sulfur 5.15 % S 12.86 % SO3 | |||
| Oxygen 56.54 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Ca4Al2(OH)12(SO4)·6(H2O) | ||
| Environment: |
In carbonaceous xenoliths in a Tertiary basalt. Related to hydrocalumite. | ||
| IMA Status: |
Approved IMA 1997 (Dana # Added) | ||
| Locality: |
The Zeilberg quarry, Marolsweisach, northern Bavaria, Germany. Link to MinDat.org Location Data. | ||
| Name Origin: |
For Prof. Hans Jurgen Kuzel of Erlangen, Germany. who first synthesized th compound. | ||
| Synonym: |
ICSD 100138 | ||
| IMA1996-053 | |||
| PDF 45-158 | |||
Search for Kuzelite Images | |||
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Images:
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Kuzelite Crystallography |
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| Axial Ratios: |
a:c = 1:9.31597 | ||
| Cell Dimensions: |
a = 5.76, c = 53.66, Z = 3; V = 1,541.79 Den(Calc)= 2.01 | ||
| Crystal System: |
Trigonal - PyramidalH-M Symbol (3) Space Group: R 3 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 8.972(1), 4.476(0.7), 2.362(0.4), | ||
Physical Properties of Kuzelite |
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| Color: |
White. | ||
| Density: |
1.99 - 2.02, Average = 2 | ||
| Diaphaniety: |
Transparent | ||
| Fracture: |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. | ||
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. | ||
| Habit: |
Platy - Sheet forms (e.g. micas). | ||
| Hardness: |
1.5-2 - Talc-Gypsum | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Kuzelite |
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| Gladstone-Dale: |
CI meas= 0.015 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.018 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.246,KPDmeas= 0.2466,KC= 0.2504 |
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| Optical Data: |
Uniaxial (-), e=1.485, w=1.504, bire=0.0190. | ||
Calculated Properties of Kuzelite |
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| Electron Density: |
relectron=2.07 gm/cc |
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| Fermion Index |
Fermion Index = 0.00101 Boson Index = 0.99899 |
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| Photoelectric: |
PEKuzelite = 3.72 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Kuzelite is Not Radioactive |
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Kuzelite Classification |
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| Dana Class: |
6.4.12.1 (6)Hydroxides and Oxides Containing Hydroxyl | ||
| (6.4)containing multiple cations | |||
| (6.4.12)Dana Group | |||
| Strunz Class: |
IV/F.10-20 IV - Oxides | ||
| IV/F - Hydroxides and oxidic hydrates, water-bearing oxides with layered structure | |||
| IV/F.10 - Hydrokalumite series | |||
Other Kuzelite Information |
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| References: |
NAME( MinRec) PHYS. PROP.(Min.Mag.,Vol.61,p735,1997) OPTIC PROP.(MinRec) | ||
| See Also: |
Links to other databases for Kuzelite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas Search for Kuzelite using: Visit our Advertisers for Kuzelite : Translate Kuzelite Mineral Data : Ask about Kuzelite here : Print or Cut-and-Paste your Kuzelite Specimen Label here :
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