Aliettite Mineral Data (original) (raw)

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

Click Here for Larger Aliettite Image in a New Browser Window Images:

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 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

Search for Aliettite using:

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

Visit our Advertisers for Aliettite :

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

Ask about Aliettite 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 Espa�ol

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: