Ferrierite-Na Mineral Data

Ferrierite-Na Mineral Data +

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General Ferrierite-Na Information

Chemical Formula:

(Na,K)2Mg(Si,Al)18O36·9(H2O)

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

Empirical Formula:

Na_3.06K_0.97Mg_0.38Ca_0.05Sr_0.03Ba_0.02Al₅Si₃₁O₇₂·18(H₂O)

Environment:

Alteration product of basalts and as a diagenetic material in rhyolitic tuffaceous sediments and in metamorphic rocks.

IMA Status:

Approved IMA 1985 (Dana # Added)

Locality:

Altoona, Washington, U.S.A. Link to MinDat.org Location Data.

Name Origin:

Named for Walter Frederick Ferrier (1865-1950), Canadian geologist and mining engineer. Na-dominant member of the ferrierite series.

Synonym:

Ferrierite

Ferrierite-Na Image

Images:

Ferrierite-Na

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

Axial Ratios:

a:b:c =1.3687:1:0.5304

Cell Dimensions:

a = 19.3, b = 14.1, c = 7.48, Z = 1; beta = 90° V = 2,035.53 Den(Calc)= 2.13

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/n

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

By Intensity(I/I_o): 3.537(1), 3.781(0.65), 9.51(0.5),

Physical Properties of Ferrierite-Na

Cleavage:

[100] Perfect, [001] Imperfect

Color:

Colorless, White, Pink, Orange, Red.

Density:

2.06 - 2.23, Average = 2.14

Diaphaniety:

Transparent to translucent

Fracture:

Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.

Habit:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)

Habit:

Tabular - Form dimensions are thin in one direction.

Hardness:

3-3.5 - Calcite-Copper Penny

Luster:

Vitreous - Silky

Streak:

white

Optical Properties of Ferrierite-Na

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

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

Electron Density:

r_electron=2.16 gm/cc
note: r_{Ferrierite-Na}=2.15 gm/cc.

Fermion Index

Fermion Index = 0.01648
Boson Index = 0.98352

Photoelectric:

PE_{Ferrierite-Na}= 2.19 barns/electron
U=PE_{Ferrierite-Na} x r_electron= 4.74 barns/cc.

Radioactivity:

GRapi = 21.19 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Ferrierite-Na - barely detectable

Ferrierite-Na Classification

Dana Class:

77.1.6.6b (77)Tectosilicate Zeolite group

(77.1)true zeolites

(77.1.6)Mordenite and related species

77.1.6.1 Mordenite (Ca,Na2,K2)Al2Si10O24·7(H2O) C mc2₁ mm2

77.1.6.2 Epistilbite CaAl2Si6O16·5(H2O) C1 1

77.1.6.3 Maricopaite Pb7Ca2(Si,Al)48O100·32(H2O) Cm2m 2/m 2/m 2/m

77.1.6.4 Dachiardite-Ca (Ca,Na2,K2)5Al10Si38O96·25(H2O) C 2/m 2/m

77.1.6.5 Dachiardite-Na (Na2,Ca,K2)4Al4Si20O48·13(H2O) C 2/m 2/m

77.1.6.6 Ferrierite-Mg (Mg,Na,K)2Mg(Si,Al)18O36·9(H2O) Pnnm 2/m 2/m 2/m

77.1.6.6a Ferrierite-K! (K,Na)2Mg(Si,Al)18O36·9(H2O) Pnnm 2/m 2/m 2/m

77.1.6.6b Ferrierite-Na ! (Na,K)2Mg(Si,Al)18O36·9(H2O) P 2₁/n 2/m 2/m 2/m

77.1.6.7 Boggsite NaCa2(Al5Si19O48)·17(H2O) I mma 2/m 2/m 2/m

77.1.6.8 Gottardiite! Na3Mg3Ca5Al19Si117O272·93(H2O) C mca 2/m 2/m 2/m

77.1.6.9 Terranovaite! (Na,Ca)8(Si68Al12)O160-29(H2O) C mcm 2/m 2/m 2/m

77.1.6.10 Mutinaite! Na3Ca4Si85Al11O192·60(H2O) P nma 2/m 2/m 2/m

Strunz Class:

VIII/J.22-01 VIII - Silicates

VIII/J - Tectosilicates (network), with zeolite-structure, Bladed Zeolites

VIII/J.22 - Zeolite group, Ferrierite - Laumontite series

VIII/J.22-01 Ferrierite-Na (Na,K)2Mg(Si,Al)18O36·9(H2O) P 2₁/n 2/m 2/m 2/m

VIII/J.22-03 Ferrierite-K! (K,Na)2Mg(Si,Al)18O36·9(H2O) Pnnm 2/m 2/m 2/m

VIII/J.22-05 Ferrierite-Mg (Mg,Na,K)2Mg(Si,Al)18O36·9(H2O) Pnnm 2/m 2/m 2/m

VIII/J.22-06 Mutinaite! Na3Ca4Si85Al11O192·60(H2O) P nma 2/m 2/m 2/m

VIII/J.22-07 Terranovaite! (Na,Ca)8(Si68Al12)O160-29(H2O) C mcm 2/m 2/m 2/m

VIII/J.22-08 Gottardiite! Na3Mg3Ca5Al19Si117O272·93(H2O) C mca 2/m 2/m 2/m

VIII/J.22-10 Boggsite NaCa2(Al5Si19O48)·17(H2O) I mma 2/m 2/m 2/m

VIII/J.22-15 Dachiardite-Na (Na2,Ca,K2)4Al4Si20O48·13(H2O) C 2/m 2/m

VIII/J.22-20 Dachiardite-Ca (Ca,Na2,K2)5Al10Si38O96·25(H2O) C 2/m 2/m

VIII/J.22-30 Mordenite (Ca,Na2,K2)Al2Si10O24·7(H2O) C mc2₁ mm2

VIII/J.22-40 Edingtonite BaAl2Si3O10·4(H2O) P 2₁2₁2 2 2 2

VIII/J.22-50 Laumontite CaAl2Si4O12·4(H2O) C 2/m 2/m

Other Ferrierite-Na Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Ferrierite-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 Ferrierite-Na Specimen Label here :

Ferrierite-Na

(Na,K)2Mg(Si,Al)18O36·9(H2O)
Dana No: 77.1.6.6b Strunz No: VIII/J.22-01
Locality:

Notes: