Ferrierite-Mg Mineral Data

Advertisment

Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.

Exceptional Minerals features excellent, high quality mineral specimens for sale. We also have a weekly Best Offer Mineral Auction.

Your premier supplier of quality mineral specimens from Southern Africa and the world at large

General Ferrierite-Mg Information

Chemical Formula:

(Mg,Na,K)2Mg(Si,Al)18O36•9(H2O)

Composition:

Molecular Weight = 2,612.43 gm

Potassium 1.78 % K 2.15 % K₂O

Barium 0.11 % Ba 0.12 % BaO

Sodium 0.49 % Na 0.66 % Na₂O

Strontium 0.50 % Sr 0.59 % SrO

Calcium 0.49 % Ca 0.69 % CaO

Magnesium 1.88 % Mg 3.12 % MgO

Aluminum 7.12 % Al 13.45 % Al₂O₃

Silicon 31.22 % Si 66.79 % SiO₂

Hydrogen 1.38 % H 12.32 % H₂O

Oxygen 55.03 % O

______ ______

100.00 % 99.88 % = TOTAL OXIDE

Empirical Formula:

Na_0.56K_1.19Mg_2.02Ca_0.32Sr_0.15Ba_0.02Al_6.89Si_29.04O₇₂·17.86(H₂O)

Environment:

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

IMA Status:

Valid Species (Pre-IMA) 1918

Locality:

Railroad cut on the north shore of Kamloops lake, British Columbia, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for Walter Frederick Ferrier (1865-1950), Canadian geologist and mining engineer. Mg modifier added by zeolite nomenclature committee.

Name Pronunciation:

Ferrierite-Mg

Ferrierite-Mg Image

Images:

Ferrierite-Mg

Comments: Orange, druzy crusts of ferrierite-Mg lining a pocket.
Location: Monte Lake, Kamloops Mining Division, British Columbia, Canada. Scale: Specimen Size 3.2 x 2.6 x 2.5 cm.
© Rob Lavinsky

Ferrierite-Mg Crystallography

Axial Ratios:

a:b:c =1.3582:1:0.5301

Cell Dimensions:

a = 19.213, b = 14.145, c = 7.499, Z = 1; V = 2,037.99 Den(Calc)= 2.13

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),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Alberti A , Sabelli C , Zeitschrift fur Kristallographie , 178 (1987) p.249-256, Statistical and true symmetry of ferrierite:, possible absence of straight T-O-T bridging bonds, Locality: Monastir, Sardinia, Italy

Physical Properties of Ferrierite-Mg

Cleavage:

{100} Perfect, {001} Imperfect

Color:

Colorless, White, Pink, Orange, Red.

Density:

2.06 - 2.23, Average = 2.14

Diaphaneity:

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-Mg

Gladstone-Dale:

CI meas= -0.009 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.016 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2264,KPDmeas= 0.2249,KC= 0.2228
Ncalc = 1.46 - 1.5

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-Mg

Electron Density:

Bulk Density (Electron Density)=2.16 gm/cc
note: Specific Gravity of Ferrierite-Mg =2.15 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_{Ferrierite-Mg}= 2.67 barns/electron
U=PE_{Ferrierite-Mg} x r_electron= 5.77 barns/cc.

Radioactivity:

GRapi = 25.93 (Gamma Ray American Petroleum Institute Units)
Concentration of Ferrierite-Mg per GRapi unit = 3.86 (%)

Estimated Radioactivity from Ferrierite-Mg - barely detectable

Ferrierite-Mg Classification

Dana Class:

77.01.06.06 (77)Tectosilicate Zeolite group

(77.01)true zeolites

(77.01.06)Mordenite and related species

77.01.06.01 Mordenite (Ca,Na2,K2)Al2Si10O24•7(H2O) C mc2₁ mm2

77.01.06.02 Epistilbite CaAl2Si6O16•5(H2O) C1 1

77.01.06.03 Maricopaite Pb7Ca2(Si,Al)48O100•32(H2O) Cm2m 2/m 2/m 2/m

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

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

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

77.01.06.06a Ferrierite-K! (K,Na)2Mg(Si,Al)18O36•9(H2O) Pnnm 2/m 2/m 2/m

77.01.06.06b Ferrierite-Na! (Na,K)2Mg(Si,Al)18O36•9(H2O) P 2₁/n 2/m

77.01.06.07 Boggsite NaCa2(Al5Si19O48)•17(H2O) I mma 2/m 2/m 2/m

77.01.06.08 Gottardiite! Na3Mg3Ca5Al19Si117O272•93(H2O) C mca 2/m 2/m 2/m

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

77.01.06.10 Mutinaite! Na3Ca4Si85Al11O192•60(H2O) P nma 2/m 2/m 2/m

77.01.06.12 Direnzoite! NaK6MgCa2(Al13Si47O120)•36H2O Pmmn 2/m 2/m 2/m

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-Mg Information

References:

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

See Also:

Links to other databases for Ferrierite-Mg :
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

Search for Ferrierite-Mg using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Ferrierite-Mg :

A Bijoux Google Search for Ferrierite-Mg
Adam's Minerals Google Search for Ferrierite-Mg
Cape Minerals Google Search for Ferrierite-Mg
Dakota Matrix Minerals Google Search for Ferrierite-Mg
Excalibur Mineral Corp. Google Search for Ferrierite-Mg
Exceptional Minerals Google Search for Ferrierite-Mg
John Betts Fine Minerals Search for Ferrierite-Mg
McDougall Minerals Google Search for Ferrierite-Mg
Mineral News Website Link
Rock and Mineral Shows Google Search for Ferrierite-Mg
Weinrich Minerals, Inc. Google Search for Ferrierite-Mg

Ask about Ferrierite-Mg 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-Mg Specimen Label here :

Ferrierite-Mg

(Mg,Na,K)2Mg(Si,Al)18O36•9(H2O)
Dana No: 77.01.06.06 Strunz No: 09.GD.50
Locality:

Notes: