Marialite Mineral Data + 
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- 76.3.1.0 Scapolite* (Na,Ca)4[Al3Si9O24]Cl P 41/n 4/m
- 76.3.1.1 Marialite Na4Al3Si9O24Cl I 4/m 4/m
- 76.3.1.2 Meionite Ca4Al6Si6O24CO3 P 4/m 4/m
- 76.3.1.3 Silvialite! (Ca,Na)4Al6Si6O24(SO4,CO3) I 4/m 4/m
- VIII/J.13-10 Marialite Na4Al3Si9O24Cl I 4/m 4/m
- VIII/J.13-20 Meionite Ca4Al6Si6O24CO3 P 4/m 4/m
- VIII/J.13-25 Silvialite! (Ca,Na)4Al6Si6O24(SO4,CO3) I 4/m 4/m
- VIII/J.13-30 Sarcolite NaCa6Al4Si6O24F(?) I 4/m 4/m
- VIII/J.13-40 Kalborsite K6Al4Si6BO20(OH)4Cl P 42m 4 2m
General Marialite Information |
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 Chemical Formula: |
Na4Al3Si9O24Cl | ||
| Composition: |
Molecular Weight = 845.11 gm | ||
| Sodium 10.88 % Na 14.67 % Na2O | |||
| Aluminum 9.58 % Al 18.10 % Al2O3 | |||
| Silicon 29.91 % Si 63.99 % SiO2 | |||
| Chlorine 4.20 % Cl 4.20 % Cl | |||
| - % Cl -0.95 % -O=Cl2 | |||
| Oxygen 45.44 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Na4Al3Si9O24Cl | ||
| Environment: |
Basaltic tuff. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1866 | ||
| Locality: |
Pianura. Near Naples, Italy. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named by von Rath in honor of his wife, Maria Rosa vom Rath (1830-1888). | ||
| Synonym: |
ICSD 39963 | ||
| PDF 31-1279 | |||
| Wernerite | |||
Marialite Image | |||
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Images:
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Marialite Crystallography |
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| Axial Ratios: |
a:c = 1:0.62244 | ||
| Cell Dimensions: |
a = 12.075, c = 7.516, Z = 2; V = 1,095.88 Den(Calc)= 2.56 | ||
| Crystal System: |
Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: I 4/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.03(1), 3.44(1), 3.78(0.9), | ||
| Forms:
Mouse |
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Crystal Structure:
Mouse |
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Physical Properties of Marialite |
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| Cleavage: |
[100] Distinct, [110] Distinct | ||
| Color: |
Bluish, Brownish, Colorless, Violet, Greenish. | ||
| Density: |
2.5 - 2.62, Average = 2.56 | ||
| Diaphaniety: |
Transparent to Translucent | ||
| Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | ||
| Hardness: |
5.5-6 - Knife Blade-Orthoclase | ||
| Luminescence: |
Fluorescent. | ||
| Luster: |
Vitreous - Pearly | ||
| Streak: |
white | ||
Optical Properties of Marialite |
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| Dichroism (e): |
colorless. | ||
| Dichroism (w): |
colorless. | ||
| Gladstone-Dale: |
CI meas= 0.007 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.007 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2102,KPDmeas= 0.2102,KC= 0.2117 |
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| Optical Data: |
Uniaxial (-), e=1.537, w=1.539, bire=0.0020. | ||
Calculated Properties of Marialite |
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| Electron Density: |
relectron=2.53 gm/cc |
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| Fermion Index |
Fermion Index = 0.01418 Boson Index = 0.98582 |
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| Photoelectric: |
PEMarialite = 1.87 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Marialite is Not Radioactive |
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Marialite Classification |
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| Dana Class: |
76.3.1.1 (76)Tectosilicate Al-Si Framework | ||
| (76.3)with other Be/Al/Si frameworks | |||
| (76.3.1)Scapolite group | |||
| Strunz Class: |
VIII/J.13-10 VIII - Silicates | ||
| VIII/J - Tectosilicates (network) with anions unfamiliar to the tetraheders | |||
| VIII/J.13 - Sodalite group, Marialite - Kalborsite series | |||
Other Marialite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) | ||
| See Also: |
Links to other databases for Marialite : 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 (MinSocAm) 9 -Handbook of Mineralogy (UofA) 10 - HyperPhysics 11 -MinDAT 12 -MinMax(Deutsch) 13 -MinMax(English) 14 -Mineralienatlas (Deutsch) 15 -QUT Mineral Atlas 16 - WWW-MINCRYST 17 -École des Mines de Paris Search for Marialite using: Visit our Advertisers for Marialite : Translate Marialite Mineral Data : Ask about Marialite here : Print or Cut-and-Paste your Marialite Specimen Label here :
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