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Ferrierite-Na Mineral Data

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General Ferrierite-Na Information

Help on Chemical  Formula: Chemical Formula: (Na,K)2Mg(Si,Al)18O36•9(H2O)
Help on Composition: Composition: Molecular Weight = 2,606.68 gm
   Potassium   1.45 %  K     1.75 % K2O
   Barium      0.11 %  Ba    0.12 % BaO
   Sodium      2.70 %  Na    3.64 % Na2O
   Strontium   0.10 %  Sr    0.12 % SrO
   Calcium     0.08 %  Ca    0.11 % CaO
   Magnesium   0.35 %  Mg    0.59 % MgO
   Aluminum    5.18 %  Al    9.78 % Al2O3
   Silicon    33.40 %  Si   71.46 % SiO2
   Hydrogen    1.39 %  H    12.44 % H2O
   Oxygen     55.24 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na3.06K0.97Mg0.38Ca0.05Sr0.03Ba0.02Al5Si31O72�18(H2O)
Help on Environment: Environment: Alteration product of basalts and as a diagenetic material in rhyolitic tuffaceous sediments and in metamorphic rocks.
Help on IMA Status: IMA Status: Approved IMA 1985 (Dana # Added)
Help on Locality: Locality: Altoona, Washington, U.S.A. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Walter Frederick Ferrier (1865-1950), Canadian geologist and mining engineer. Na-dominant member of the ferrierite series.
Help on Name Pronunciation: Name Pronunciation: Ferrierite-Na Say FERRIERITE-NA
Help on Synonym: Synonym: Ferrierite

Ferrierite-Na Image

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Comments: Rounded crystalline aggregate of yellow to brown ferrierite.
Location: Monte Lake, British Columbia, Canada. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Ferrierite-Na Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.3687:1:0.5304
Help on Cell Dimensions: Cell Dimensions: a = 19.3, b = 14.1, c = 7.48, Z = 1; beta = 90° V = 2,035.53 Den(Calc)= 2.13
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.537(1), 3.781(0.65), 9.51(0.5),

Physical Properties of Ferrierite-Na

Help on Cleavage: Cleavage: {100} Perfect, {001} Imperfect
Help on Color: Color: Colorless, White, Pink, Orange, Red.
Help on Density: Density: 2.06 - 2.23, Average = 2.14
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
Help on Luster: Luster: Vitreous - Silky
Help on Streak: Streak: white

Optical Properties of Ferrierite-Na

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.007 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.014 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2264,KPDmeas= 0.2249,KC= 0.2232
Ncalc = 1.46 - 1.5
Help on Optical Data: Optical Data: Biaxial (+/-), a=1.473-1.489, b=1.474-1.489, g=1.477-1.492, bire=0.0030-0.0040

Calculated Properties of Ferrierite-Na

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.16 gm/cc
note: Specific Gravity of Ferrierite-Na =2.15 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEFerrierite-Na = 2.19 barns/electron
U=PEFerrierite-Na x relectron= 4.74 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 21.19 (Gamma Ray American Petroleum Institute Units)
Concentration of Ferrierite-Na per GRapi unit = 4.72 (%)

Estimated Radioactivity from Ferrierite-Na - barely detectable


Ferrierite-Na Classification

Help on  Dana Class: Dana Class: (77)Tectosilicate Zeolite group
  (77.01)true zeolites
  (77.01.06)Mordenite and related species Mordenite (Ca,Na2,K2)Al2Si10O24•7(H2O) C mc21 mm2 Epistilbite CaAl2Si6O16•5(H2O) C1 1 Maricopaite Pb7Ca2(Si,Al)48O100•32(H2O) Cm2m 2/m 2/m 2/m Dachiardite-Ca (Ca,Na2,K2)5Al10Si38O96•25(H2O) C 2/m 2/m Dachiardite-Na (Na2,Ca,K2)4Al4Si20O48•13(H2O) C 2/m 2/m Ferrierite-Mg (Mg,Na,K)2Mg(Si,Al)18O36•9(H2O) Pnnm 2/m 2/m 2/m Ferrierite-K! (K,Na)2Mg(Si,Al)18O36•9(H2O) Pnnm 2/m 2/m 2/m Ferrierite-Na! (Na,K)2Mg(Si,Al)18O36•9(H2O) P 21/n 2/m Boggsite NaCa2(Al5Si19O48)•17(H2O) I mma 2/m 2/m 2/m Gottardiite! Na3Mg3Ca5Al19Si117O272•93(H2O) C mca 2/m 2/m 2/m Terranovaite! (Na,Ca)8(Si68Al12)O160•29(H2O) C mcm 2/m 2/m 2/m Mutinaite! Na3Ca4Si85Al11O192•60(H2O) P nma 2/m 2/m 2/m Direnzoite! NaK6MgCa2(Al13Si47O120)•36H2O Pmmn 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.GD.50 09 - SILICATES (Germanates)
  09.G - Tektosilicates with Zeolitic H2O
  09.GD -Chains of 6-membered rings � tabular zeolites
09.GD.50 Ferrierite-K! (K,Na)2Mg(Si,Al)18O36•9(H2O) Pnnm 2/m 2/m 2/m
09.GD.50 Ferrierite-Mg (Mg,Na,K)2Mg(Si,Al)18O36•9(H2O) Pnnm 2/m 2/m 2/m
09.GD.50 Ferrierite-Na! (Na,K)2Mg(Si,Al)18O36•9(H2O) P 21/n 2/m

Other Ferrierite-Na Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Ferrierite-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.GD.50





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