Aliettite Mineral Data + Say ALIETTITE

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General Aliettite Information

Help on Chemical  Formula: Chemical Formula: [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe++)2-3(Si,Al)4O10(OH)2·n(H2O)
Help on Composition: Composition: Molecular Weight = 823.18 gm
   Sodium      0.56 %  Na    0.75 % Na2O
   Calcium     0.49 %  Ca    0.68 % CaO
   Magnesium  10.33 %  Mg   17.14 % MgO
   Aluminum   13.11 %  Al   24.77 % Al2O3
   Iron        4.75 %  Fe    6.11 % FeO
   Silicon    17.06 %  Si   36.50 % SiO2
   Hydrogen    1.22 %  H    10.94 % H2O
   Oxygen     52.48 %  O
             ______        ______ 
             100.00 %       96.89 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg3Si4O10(OH)2Ca0.1Na0.2AlFe2+0.7Mg0.5Al3SiO10(OH)2·3(H2O)
Help on Environment: Environment: Low temperature environments in ancient lake sediments. Also found in low-grade Mg-rich metamorphic rocks.
Help on IMA Status: IMA Status: Approved IMA 1969
Help on Locality: Locality: Italy, Monte Chiaro, Taro valley. Amargosa desert region, Death Valley, California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Andrea Alietti (1923-), clay mineralogist.
 

Aliettite Image

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Aliettite

Comments: Tan to brownish pseudomorph of aliettite after wollastonite.
Location: Ingichka, Uzbekistan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Aliettite Crystallography

Help on Axial Ratios: Axial Ratios: a:b = 1:4.71625
Help on Cell Dimensions: Cell Dimensions: a = 5.216, b = 24.6, Z = 1; V = 669.28 Den(Calc)= 2.04
Help on Crystal System: Crystal System: MonoclinicSpace Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 12(1), 1.52(0.9), 2.62(0.9),1.314(0.7), 3.5(0.6), 4.54(0.6), 1.725(0.4), 24(0.2),
 

Physical Properties of Aliettite

Help on Cleavage: Cleavage: [???] Perfect
Help on Color: Color: White, Dark green, Buff.
Help on Diaphaniety: Diaphaniety: Translucent
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: white
 

Optical Properties of Aliettite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.292 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2752,KC= 0.213
Help on Optical Data: Optical Data: Uniaxial (?), a=1.556, b=1.567, bire=0.0110.
 

Calculated Properties of Aliettite

Help on Electron Density: Electron Density:

relectron=2.04 gm/cc
note: rAliettite =2.04 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.01956
Boson Index = 0.98044
Help on Photoelectric: Photoelectric:

PEAliettite = 2.75 barns/electron
U=PEAliettite x relectron= 5.63 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Aliettite is Not Radioactive

 

Aliettite Classification

Help on  Dana Class: Dana Class: 71.4.2.8 (71)Phyllosilicate Sheets of Six-Membered Rings
  (71.4)interlayered 1:1, 2:1, and octahedra
  (71.4.2)Interstratified Chlorite-Smectite group
 
71.4.2.1 Dozyite (Mg7Al2)(Si4Al2)O15(OH)12 Cm m
 
71.4.2.2 Lunijianlaite LiAl6(Si7Al)O20(OH)10 Unk Mono
 
71.4.2.3 Saliotite Na0.5Li0.5Al3AlSi3O10(OH)5 C 2/m 2/m
 
71.4.2.4 Tosudite Na0,5(Al,Mg)6(Si,Al)8O18(OH)12·5(H2O) Unk Ortho
 
71.4.2.5 Corrensite (Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·n(H2O) Unk Ortho
 
71.4.2.6 Kulkeite Na0.35Mg8AlSi7O20(OH)10 Unk Mono
 
71.4.2.7 Rectorite (Na,Ca)Al4(Si,Al)8O20(OH)4·2(H2O) Unk Mono
 
71.4.2.8 Aliettite [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe)2-3(Si,Al)4O10(OH)2·n(H2O) Unk Mono
 
71.4.2.9 Glagolevite! NaMg6[Si3AlO10](OH,O)8·H2O C1 1
Help on  Strunz Class: Strunz Class: VIII/H.18-20 VIII - Silicates
  VIII/H - Phyllosilicates (layered) Mica like with [Si4O10]4- and related groups
  VIII/H.18 - Smectite/Montmorillonite group
 
VIII/H.18-05 Lunijianlaite LiAl6(Si7Al)O20(OH)10 Unk Mono
 
VIII/H.18-07 Saliotite Na0.5Li0.5Al3AlSi3O10(OH)5 C 2/m 2/m
 
VIII/H.18-10 Kulkeite Na0.35Mg8AlSi7O20(OH)10 Unk Mono
 
VIII/H.18-20 Aliettite [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe)2-3(Si,Al)4O10(OH)2·n(H2O) Unk Mono
 
VIII/H.18-30 Rectorite (Na,Ca)Al4(Si,Al)8O20(OH)4·2(H2O) Unk Mono
 
VIII/H.18-50 Tosudite Na0,5(Al,Mg)6(Si,Al)8O18(OH)12·5(H2O) Unk Ortho
 
VIII/H.18-60 Corrensite (Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·n(H2O) Unk Ortho
 
VIII/H.18-70 Hydrobiotite [K(Mg,Fe)3(Al,Fe)Si3O10(OH,F)2]·[(Mg,Fe,Al)3(Si,Al)4O10(OH)2·4(H2O)] C 2/m 2/m
 

Other Aliettite 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 Aliettite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris

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Print or Cut-and-Paste your Aliettite Specimen Label here :

Aliettite

[Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe++)2-3(Si,Al)4O10(OH)2·n(H2O)
Dana No: 71.4.2.8 Strunz No: VIII/H.18-20
Locality:

 

Notes:

 

 
   
 
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