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Aliettite Mineral Data

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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.
Help on Name Pronunciation: Name Pronunciation: Aliettite + Pronunciation Say ALIETTITE
 

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: Monoclinic Space 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 Diaphaneity: Diaphaneity: 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
Ncalc = 1.43
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: Bulk Density (Electron Density)=2.04 gm/cc
note: Specific Gravity of Aliettite =2.04 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEAliettite = 2.75 barns/electron
U=PEAliettite x rElectron Density= 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: 71.04.02.08 (71)Phyllosilicate Sheets of Six-Membered Rings
  (71.04)interlayered 1:1, 2:1, and octahedra
  (71.04.02)Interstratified Chlorite-Smectite group
 
71.04.02.01 Dozyite (Mg7Al2)(Si4Al2)O15(OH)12 Cm m
 
71.04.02.02 Lunijianlaite LiAl6(Si7Al)O20(OH)10 Unk Mono
 
71.04.02.03 Saliotite Na0.5Li0.5Al3AlSi3O10(OH)5 C 2/m 2/m
 
71.04.02.04 Tosudite Na0,5(Al,Mg)6(Si,Al)8O18(OH)12•5(H2O) Unk Ortho
 
71.04.02.05 Corrensite (Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10•n(H2O) Unk Ortho
 
71.04.02.06 Kulkeite Na0.35Mg8AlSi7O20(OH)10 Unk Mono
 
71.04.02.07 Rectorite (Na,Ca)Al4(Si,Al)8O20(OH)4•2(H2O) Unk Mono
 
71.04.02.08 Aliettite [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe)2-3(Si,Al)4O10(OH)2•n(H2O) Unk Mono
 
71.04.02.09 Glagolevite! NaMg6[Si3AlO10](OH,O)8•H2O C1 1
Help on  Strunz Class: Strunz Class: 09.EC.60 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
 
09.EC.60 Aliettite [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe)2-3(Si,Al)4O10(OH)2•n(H2O) Unk Mono
 
09.EC.60 Dozyite (Mg7Al2)(Si4Al2)O15(OH)12 Cm m
 
09.EC.60 Corrensite (Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10•n(H2O) Unk Ortho
 
09.EC.60 Kulkeite Na0.35Mg8AlSi7O20(OH)10 Unk Mono
 
09.EC.60 Karpinskite (Mg,Ni)2Si2O5(OH)2(?) Unk Mono
 
09.EC.60 Illite* (K,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)] C 2/m 2/m
 
09.EC.60 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
 
09.EC.60 Lunijianlaite LiAl6(Si7Al)O20(OH)10 Unk Mono
 
09.EC.60 Rectorite (Na,Ca)Al4(Si,Al)8O20(OH)4•2(H2O) Unk Mono
 
09.EC.60 Saliotite Na0.5Li0.5Al3AlSi3O10(OH)5 C 2/m 2/m
 
09.EC.60 Tosudite Na0,5(Al,Mg)6(Si,Al)8O18(OH)12•5(H2O) Unk Ortho
 
09.EC.60 Brinrobertsite! (Na,K,Ca)x(Al,Fe,Mg)4(Si,Al)8O20(OH)4•3.54(H2O)[x=0.35,n=3.54] pseudo 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 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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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: 71.04.02.08 Strunz No: 09.EC.60
Locality:

 

Notes:

 

 
   
 


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