Ferrierite-Mg Mineral Data

Ferrierite-Mg Mineral Data
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General Ferrierite-Mg Information

Help on Chemical Formula: Chemical Formula: (Mg,Na,K)2Mg(Si,Al)18O36•9(H2O)
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: Na0.56K1.19Mg2.02Ca0.32Sr0.15Ba0.02Al6.89Si29.04O72·17.86(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: Valid Species (Pre-IMA) 1918
Help on Locality: Locality: Railroad cut on the north shore of Kamloops lake, British Columbia, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Walter Frederick Ferrier (1865-1950), Canadian geologist and mining engineer. Mg modifier added by zeolite nomenclature committee.
Help on Name Pronunciation: Name Pronunciation: Ferrierite-Mg Say FERRIERITE-MG
 

Ferrierite-Mg Image

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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
Help on Axial Ratios: Axial Ratios: a:b:c =1.3582:1:0.5301
Help on Cell Dimensions: Cell Dimensions: a = 19.213, b = 14.145, c = 7.499, Z = 1; V = 2,037.99 Den(Calc)= 2.13
Help on Crystal System: 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/Io): 3.537(1), 3.781(0.65), 9.51(0.5),
Click Here for Large Ferrierite-Mg Structure Window Crystal Structure:

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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

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-Mg

Help on Gladstone-Dale: 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
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-Mg

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.16 gm/cc
note: Specific Gravity of Ferrierite-Mg =2.15 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEFerrierite-Mg = 2.67 barns/electron
U=PEFerrierite-Mg x relectron= 5.77 barns/cc.
Help on Radioactivity: 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
Help on Dana Class: 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
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-Mg Information
Help on References: References: NAME( Dana8) PHYS. PROP.(CanMin, v 35. p 1582) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Ferrierite-Mg :
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
10 - Ruff.Info

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Ferrierite-Mg

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

 

Notes: