Ferrierite-K Mineral Data

Ferrierite-K Mineral Data +

[Register] [Auction Rules] [Current Listing] [About Us] [Site Map]
e-Rocks.com, auction and sales venue for all rock and mineral enthusiasts
Our mission is to provide an online centre for Buyers and Sellers with reliable service and support
Brought to you by Thames Valley Minerals

General Ferrierite-K Information

Chemical Formula:

(K,Na)2Mg(Si,Al)18O36·9(H2O)

Composition:

Molecular Weight = 2,612.03 gm

Potassium 3.07 % K 3.70 % K₂O

Sodium 1.00 % Na 1.35 % Na₂O

Calcium 0.21 % Ca 0.30 % CaO

Magnesium 0.69 % Mg 1.14 % MgO

Aluminum 5.16 % Al 9.76 % Al₂O₃

Silicon 33.34 % Si 71.33 % SiO₂

Hydrogen 1.39 % H 12.41 % H₂O

Oxygen 55.13 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

K_2.05Na_1.14Mg_0.74Ca_0.14Al₅Si_31.01O₇₂·18(H₂O)

Environment:

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

IMA Status:

Approved IMA 1976 (Dana # Added)

Locality:

Santa Monica Mountains, California, U.S.A. Link to MinDat.org Location Data.

Name Origin:

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

Search for Ferrierite-K Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Ferrierite-K Crystallography

Axial Ratios:

a:b:c =1.3417:1:0.5288

Cell Dimensions:

a = 18.973, b = 14.14, c = 7.478, Z = 1; V = 2,006.18 Den(Calc)= 2.16

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnnm

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

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

Physical Properties of Ferrierite-K

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-K

Gladstone-Dale:

CI meas= -0.006 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.001 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2233,KPDmeas= 0.2249,KC= 0.2235

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-K

Electron Density:

r_electron=2.18 gm/cc
note: r_Ferrierite-K=2.16 gm/cc.

Fermion Index

Fermion Index = 0.01653
Boson Index = 0.98347

Photoelectric:

PE_Ferrierite-K= 1.82 barns/electron
U=PE_Ferrierite-K x r_electron= 3.97 barns/cc.

Radioactivity:

GRapi = 44.70 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Ferrierite-K - barely detectable

Ferrierite-K Classification

Dana Class:

77.1.6.6a (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.22-03 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-K Information

References:

NAME( Dana8) PHYS. PROP.(CanMin, v 35 , p 1582) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Ferrierite-K :
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

Search for Ferrierite-K using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Ferrierite-K :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Ferrierite-K Mineral Data :

Ask about Ferrierite-K here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Ferrierite-K Specimen Label here :

Ferrierite-K

(K,Na)2Mg(Si,Al)18O36·9(H2O)
Dana No: 77.1.6.6a Strunz No: VIII/J.22-03
Locality:

Notes: