General Kuzelite Information Chemical Formula: |
Ca4Al2.4(OH)12.8(SO4)•6(H2O) |
Composition: |
Molecular Weight = 622.52 gm |
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Calcium 25.75 % Ca 36.03 % CaO |
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Aluminum 8.67 % Al 16.38 % Al2O3 |
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Hydrogen 3.89 % H 34.73 % H2O |
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Sulfur 5.15 % S 12.86 % SO3 |
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Oxygen 56.54 % O |
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______ ______ |
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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. |
Name Pronunciation: |
Kuzelite |
Synonym: |
ICSD 100138 |
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IMA1996-053 |
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PDF 45-158 |
| | Search for Kuzelite Images
Images:
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| | Kuzelite Crystallography 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 Color: |
White. |
Density: |
1.99 - 2.02, Average = 2 |
Diaphaneity: |
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 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 Ncalc = 1.5 - 1.51 Optical Data: |
Uniaxial (-), e=1.485, w=1.504, bire=0.0190. |
| Calculated Properties of Kuzelite Electron Density: |
Bulk Density (Electron Density)=2.07 gm/cc |
note: Specific Gravity of Kuzelite =2.01 gm/cc. Fermion Index: |
Fermion Index = 0.0010112125 |
Boson Index = 0.9989887875 Photoelectric: |
PEKuzelite = 3.72 barns/electron |
U=PEKuzelite x rElectron Density= 7.71 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Kuzelite is Not Radioactive | Kuzelite Classification Dana Class: |
06.04.12.01 (06)Hydroxides and Oxides Containing Hydroxyl |
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(06.04)containing multiple cations |
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(06.04.12)Dana Group |
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Strunz Class: |
04.FL.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.F - Hydroxides (without V or U) |
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04.FL -Hydroxides with H2O ± (OH); sheets of edge-sharing octahedra |
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| Other Kuzelite Information 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 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - Handbook of Mineralogy (UofA) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Kuzelite using: Visit our Advertisers for Kuzelite : A Bijoux Google Search for KuzeliteAdam's Minerals Google Search for Kuzelite Cape Minerals Google Search for Kuzelite Dakota Matrix Minerals Google Search for Kuzelite Excalibur Mineral Corp. Google Search for Kuzelite Exceptional Minerals Google Search for Kuzelite John Betts Fine Minerals Search for Kuzelite McDougall Minerals Google Search for Kuzelite Mineral News Website Link Rock and Mineral Shows Google Search for Kuzelite Weinrich Minerals, Inc. Google Search for Kuzelite Ask about Kuzelite here : Print or Cut-and-Paste your Kuzelite Specimen Label here :
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