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Mazzite-Na Mineral Data

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General Mazzite-Na Information

Help on Chemical  Formula: Chemical Formula: Na8Al8Si28O72•30H2O
Help on Composition: Composition: Molecular Weight = 2,888.35 gm
   Potassium   0.03 %  K     0.03 % K2O
   Barium      0.14 %  Ba    0.16 % BaO
   Sodium      5.99 %  Na    8.07 % Na2O
   Calcium     0.12 %  Ca    0.17 % CaO
   Magnesium   0.13 %  Mg    0.22 % MgO
   Aluminum    7.59 %  Al   14.35 % Al2O3
   Iron        0.46 %  Fe    0.60 % FeO
   Silicon    26.94 %  Si   57.64 % SiO2
   Hydrogen    2.09 %  H    18.70 % H2O
   Oxygen     56.49 %  O
             ______        ______ 
             100.00 %       99.95 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na7.52K0.02Mg0.16Ca0.09Ba0.03Fe2+0.24Al8.13Si27.71O72�29.98(H2O)
Help on Environment: Environment: Zeolite mineral species occurring in basalt at the bottom of the open pit of the U.S. Borax mine.
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Boron, California Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Na-dominat analogue of mazzite(-K).
Help on Name Pronunciation: Name Pronunciation: Mazzite-Na Say MAZZITE-NA
Help on Synonym: Synonym: IMA2003-058

Mazzite-Na Image

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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

Mazzite-Na Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.41883
Help on Cell Dimensions: Cell Dimensions: a = 18.2343, c = 7.6371, Z = 1; V = 2,199.06 Den(Calc)= 2.18
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
Help on X Ray Diffraction: 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),

Physical Properties of Mazzite-Na

Help on Cleavage: Cleavage: Unknown
Help on Color: Color: Colorless, White.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Unknown - Minerals too small to observe fractures.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Silky - Very finely fiberous material like silk fibers
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Mazzite-Na

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.063 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2163,KC= 0.2307
Ncalc = 1.5
Help on Optical Data: Optical Data: Uniaxial (+), w=1.471, e=1.472, bire=0.0010.

Calculated Properties of Mazzite-Na

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.21 gm/cc
note: Specific Gravity of Mazzite-Na =2.18 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEMazzite-Na = 2.11 barns/electron
U=PEMazzite-Na x relectron= 4.67 barns/cc.
Help on Radioactivity: 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


Mazzite-Na Classification

Help on  Dana Class: Dana Class: (77)Tectosilicate Zeolite group
  (77.01)true zeolites
  (77.01.03)Gismondine and related species Gismondine Ca2Al4Si4O16•9(H2O) P 21/c 2/m Amicite K2Na2Al4Si4O16•5(H2O) I2 2 Garronite Na2Ca5Al12Si20O64•27(H2O) I 41/a 4/m Gobbinsite (Na2,Ca)2K2Al6Si10O32•12(H2O) P mn21 mm2 Harmotome (Ba,Na,K)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m Phillipsite-Na (Na,K,Ca)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m Phillipsite-Ca! (Ca,K,Na)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m Phillipsite-K! (K,Na,Ca)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m Perlialite K8Tl4Al12Si24O72•20(H2O) P 6/mmm 6/m 2/m 2/m Paulingite-K (K2,Ca,Na2,Ba)5Al10Si35O90•45(H2O) Im3m 4/m 3 2/m Paulingite-Na! (Na2,K2,Ca,Ba)5Al10Si35O90•45(H2O) Im3m 4/m 3 2/m Paulingite-Ca! (Ca,K,Na,Ba)5[Al10Si35O84]•34(H2O) Im3m 4/m 3 2/m Mazzite-Mg K2CaMg2(Al,Si)36O72•28(H2O) P 63/mmc 6/m 2/m 2/m Mazzite-Na! Na8Al8Si28O72•30H2O P 63/mmc 6/m 2/m 2/m Merlinoite (K,Ca,Na,Ba)7Si23Al9O64•23(H2O) I mmm 2/m 2/m 2/m Montesommaite (K,Na)9Al9Si23O64•10(H2O) F dd2 mm2
Help on  Strunz Class: Strunz Class: 09.GC.20 09 - SILICATES (Germanates)
  09.G - Tektosilicates with Zeolitic H2O
  09.GC -Chains of doubly-connected 4-membered rings
09.GC.20 Mazzite-Mg K2CaMg2(Al,Si)36O72•28(H2O) P 63/mmc 6/m 2/m 2/m
09.GC.20 Mazzite-Na! Na8Al8Si28O72•30H2O P 63/mmc 6/m 2/m 2/m

Other Mazzite-Na Information

Help on References: References: NAME( AmMin, v90, p 1186) PHYS. PROP.(AmMin, v90, p 1186) OPTIC PROP.(AmMin, v90, p 1186)
Help on See Also: 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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Dana No: Strunz No: 09.GC.20





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