Mazzite-Na Mineral Data

Mazzite-Na Mineral Data +

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General Mazzite-Na Information

Chemical Formula:

Na8Al8Si28O72·30(H2O)

Composition:

Molecular Weight = 2,878.58 gm

Sodium 6.39 % Na 8.61 % Na₂O

Aluminum 7.50 % Al 14.17 % Al₂O₃

Silicon 27.32 % Si 58.44 % SiO₂

Hydrogen 2.10 % H 18.78 % H₂O

Oxygen 56.69 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Na₈Al₈Si₂₈O₇₂·30(H₂O)

Environment:

Zeolite group

IMA Status:

Proposed IMA 2003 (Dana # Added)

Locality:

Boron, California Link to MinDat.org Location Data.

Name Origin:

Named as the Na-dominat analogue of mazzite(-K).

Synonym:

IMA2003-058

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Mazzite-Na Crystallography

Axial Ratios:

a:c = 1:0.41875

Cell Dimensions:

a = 18.235, c = 7.636, Z = 1; V = 2,198.91 Den(Calc)= 2.17

Crystal System:

Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 6₃/mmc

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 9.08(1), 3.79(0.8), 3.15(0.7),5.95(0.7), 6.86(0.7), 3.51(0.4), 4.68(0.4),

Crystal Structure:

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Arletti R , Galli E , Vezzalini G , Wise W S , American Mineralogist , 90 (2005) p.1186-1191, Mazzite-Na, a new zeolite from Boron, California:, Its description and crystal structure, Sample: US Borax Mine, Boron, Ca

Physical Properties of Mazzite-Na

Color:

Colorless, White.

Diaphaniety:

Opaque

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Mazzite-Na

Gladstone-Dale:

CI calc= 0.06 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2173,KC= 0.2311

Optical Data:

Uniaxial (+), w=1.471, e=1.472, bire=0.0010.

Calculated Properties of Mazzite-Na

Electron Density:

r_electron=2.20 gm/cc
note: r_Mazzite-Na=2.17 gm/cc.

Fermion Index

Fermion Index = 0.01303
Boson Index = 0.98697

Photoelectric:

PE_Mazzite-Na= 1.41 barns/electron
U=PE_Mazzite-Na x r_electron= 3.11 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Mazzite-Na is Not Radioactive

Mazzite-Na Classification

Dana Class:

77.1.8.3 (77)Tectosilicate Zeolite group

(77.1)true zeolites

(77.1.8)Unclassified zeolite species

77.1.8.1 Bellbergite (K,Ba,Sr)2Sr2Ca2(Ca,Na)4Al18Si18O72·30(H2O) P 6₃/mmc, P 6₂c-, P 6₃mc Hex

77.1.8.2 Tschernichite (Ca,Na)(Si6Al2)O16·4-8(H2O) P 4/mmm 4/m 2/m 2/m

77.1.8.3 Mazzite-Na ! Na8Al8Si28O72·30(H2O) P 6₃/mmc 6/m 2/m 2/m

Strunz Class:

VIII/JX.00-00 VIII - Silicates

VIII/JX - Unclassified Strunz Tectosilicates

VIII/JX.00 - Zeolite

Other Mazzite-Na Information

See Also:

Links to other databases for Mazzite-Na :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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Print or Cut-and-Paste your Mazzite-Na Specimen Label here :

Mazzite-Na

Na8Al8Si28O72·30(H2O)
Dana No: 77.1.8.3 Strunz No: VIII/JX.00-00
Locality:

Notes: