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Mazzite-Na Mineral Data
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General Mazzite-Na Information
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 Chemical Formula: |
Na8Al8Si28O72•30H2O |
| Composition: |
Molecular Weight = 2,888.35 gm |
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Potassium 0.03 % K 0.03 % K2O |
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Barium 0.14 % Ba 0.16 % BaO |
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Sodium 5.99 % Na 8.07 % Na2O |
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Calcium 0.12 % Ca 0.17 % CaO |
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Magnesium 0.13 % Mg 0.22 % MgO |
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Aluminum 7.59 % Al 14.35 % Al2O3 |
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Iron 0.46 % Fe 0.60 % FeO |
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Silicon 26.94 % Si 57.64 % SiO2 |
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Hydrogen 2.09 % H 18.70 % H2O |
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Oxygen 56.49 % O |
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______ ______ |
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100.00 % 99.95 % = TOTAL OXIDE |
| Empirical Formula: |
Na7.52K0.02Mg0.16Ca0.09Ba0.03Fe2+0.24Al8.13Si27.71O72�29.98(H2O) |
| Environment: |
Zeolite mineral species occurring in basalt at the bottom of the open pit of the U.S. Borax mine. |
| IMA Status: |
Approved IMA 2003 (Dana # Added) |
| Locality: |
Boron, California Link to MinDat.org Location Data. |
| Name Origin: |
Named as the Na-dominat analogue of mazzite(-K). |
| Name Pronunciation: |
Mazzite-Na  |
| Synonym: |
IMA2003-058 |
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Mazzite-Na Image |
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Images:
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Mazzite-Na
Comments: Silky mazzite-Na fibers filling a cavity in basalt.
Location: Open pit of the U.S. Borax mine at Boron, California.
Scale: Specimen size 5 mm.
© American Mineralogist |
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Mazzite-Na Crystallography
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| Axial Ratios: |
a:c = 1:0.41883 |
| Cell Dimensions: |
a = 18.2343, c = 7.6371, Z = 1; V = 2,199.06 Den(Calc)= 2.18 |
| Crystal System: |
Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc |
| X Ray Diffraction: |
By Intensity(I/Io): 9.08(1)(110), 3.787(0.8)(002), 3.15(0.7)(500),5.95(0.7)(210), 6.86(0.7)(101), 3.511(0.4)(112), 4.681(0.4)(211), |
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Physical Properties of Mazzite-Na
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| Cleavage: |
Unknown |
| Color: |
Colorless, White. |
| Diaphaneity: |
Opaque |
| Fracture: |
Unknown - Minerals too small to observe fractures. |
| Habit: |
Fibrous - Crystals made up of fibers. |
| Habit: |
Silky - Very finely fiberous material like silk fibers |
| Luster: |
Vitreous (Glassy) |
| Streak: |
white |
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Optical Properties of Mazzite-Na
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| Gladstone-Dale: |
CI calc= 0.063 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2163,KC= 0.2307
Ncalc = 1.5 |
| Optical Data: |
Uniaxial (+), w=1.471, e=1.472, bire=0.0010. |
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Calculated Properties of Mazzite-Na
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| Electron Density: |
Bulk Density (Electron Density)=2.21 gm/cc
note: Specific Gravity of Mazzite-Na =2.18 gm/cc.
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PEMazzite-Na = 2.11 barns/electron
U=PEMazzite-Na x relectron= 4.67 barns/cc.
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| Radioactivity: |
GRapi = 0.39 (Gamma Ray American Petroleum Institute Units)
Concentration of Mazzite-Na per GRapi unit =258.92 (%)
Estimated Radioactivity from Mazzite-Na  - barely detectable
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Mazzite-Na Classification
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| Dana Class: |
77.01.03.10a (77)Tectosilicate Zeolite group |
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(77.01)true zeolites |
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(77.01.03)Gismondine and related species |
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77.01.03.01 Gismondine Ca2Al4Si4O16•9(H2O) P 21/c 2/m |
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77.01.03.02 Amicite K2Na2Al4Si4O16•5(H2O) I2 2 |
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77.01.03.03 Garronite Na2Ca5Al12Si20O64•27(H2O) I 41/a 4/m |
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77.01.03.04 Gobbinsite (Na2,Ca)2K2Al6Si10O32•12(H2O) P mn21 mm2 |
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77.01.03.05 Harmotome (Ba,Na,K)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m |
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77.01.03.06 Phillipsite-Na (Na,K,Ca)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m |
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77.01.03.06a Phillipsite-Ca! (Ca,K,Na)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m |
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77.01.03.06b Phillipsite-K! (K,Na,Ca)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m |
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77.01.03.08 Perlialite K8Tl4Al12Si24O72•20(H2O) P 6/mmm 6/m 2/m 2/m |
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77.01.03.09 Paulingite-K (K2,Ca,Na2,Ba)5Al10Si35O90•45(H2O) Im3m 4/m 3 2/m |
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77.01.03.09a Paulingite-Na! (Na2,K2,Ca,Ba)5Al10Si35O90•45(H2O) Im3m 4/m 3 2/m |
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77.01.03.09b Paulingite-Ca! (Ca,K,Na,Ba)5[Al10Si35O84]•34(H2O) Im3m 4/m 3 2/m |
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77.01.03.10 Mazzite-Mg K2CaMg2(Al,Si)36O72•28(H2O) P 63/mmc 6/m 2/m 2/m |
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77.01.03.10a Mazzite-Na! Na8Al8Si28O72•30H2O P 63/mmc 6/m 2/m 2/m |
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77.01.03.11 Merlinoite (K,Ca,Na,Ba)7Si23Al9O64•23(H2O) I mmm 2/m 2/m 2/m |
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77.01.03.12 Montesommaite (K,Na)9Al9Si23O64•10(H2O) F dd2 mm2 |
| Strunz Class: |
09.GC.20 09 - SILICATES (Germanates) |
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09.G - Tektosilicates with Zeolitic H2O |
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09.GC -Chains of doubly-connected 4-membered rings |
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09.GC.20 Mazzite-Mg K2CaMg2(Al,Si)36O72•28(H2O) P 63/mmc 6/m 2/m 2/m |
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09.GC.20 Mazzite-Na! Na8Al8Si28O72•30H2O P 63/mmc 6/m 2/m 2/m |
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Other Mazzite-Na Information
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| References: |
NAME( AmMin, v90, p 1186) PHYS. PROP.(AmMin, v90, p 1186) OPTIC PROP.(AmMin, v90, p 1186) |
| See Also: |
Links to other databases for Mazzite-Na :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Print or Cut-and-Paste your Mazzite-Na Specimen Label here :
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Mazzite-Na
Na8Al8Si28O72•30H2O
Dana No: 77.01.03.10a Strunz No: 09.GC.20
Locality:
Notes:
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