[Localities] [Carat Weight] [Special Collections] [Diamond Lots] [Ordering Info] See Also: [Excalibur Minerals] [Mineral News] [Hudson Institute] [Minerals on CDROM] Special Collections of Rough Diamonds for Researchers and Collectors Unparalled diversity of specimens from different locations General Aliettite Information[Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe++)2-3(Si,Al)4O10(OH)2•n(H2O) |
Molecular Weight = 823.18 gm |
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Sodium 0.56 % Na 0.75 % Na2O |
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Calcium 0.49 % Ca 0.68 % CaO |
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Magnesium 10.33 % Mg 17.14 % MgO |
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Aluminum 13.11 % Al 24.77 % Al2O3 |
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Iron 4.75 % Fe 6.11 % FeO |
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Silicon 17.06 % Si 36.50 % SiO2 |
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Hydrogen 1.22 % H 10.94 % H2O |
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Oxygen 52.48 % O |
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______ ______ |
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100.00 % 96.89 % = TOTAL OXIDE |
Mg3Si4O10(OH)2Ca0.1Na0.2AlFe2+0.7Mg0.5Al3SiO10(OH)2·3(H2O) |
Low temperature environments in ancient lake sediments. Also found in low-grade Mg-rich metamorphic rocks. |
Approved IMA 1969 |
Italy, Monte Chiaro, Taro valley. Amargosa desert region, Death Valley, California, USA. Link to MinDat.org Location Data. |
Named for Andrea Alietti (1923-), clay mineralogist. |
Aliettite + Pronunciation |
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Aliettite Crystallographya:b = 1:4.71625 |
a = 5.216, b = 24.6, Z = 1; V = 669.28 Den(Calc)= 2.04 |
MonoclinicSpace Group: Unk |
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{???} Perfect |
White, Dark green, Buff. |
Translucent |
Microscopic Crystals - Crystals visible only with microscopes. |
Platy - Sheet forms (e.g. micas). |
1-2 - Between Talc and Gypsum |
Earthy (Dull) |
white |
| Optical Properties of Aliettite CI calc= -0.292 (Poor) - where the CI = (1-KPDcalc/KC) |
KPDcalc= 0.2752,KC= 0.213 Ncalc = 1.43 Uniaxial (?), a=1.556, b=1.567, bire=0.0110. |
| Calculated Properties of AliettiteBulk Density (Electron Density)=2.04 gm/cc |
note: Specific Gravity of Aliettite =2.04 gm/cc. Fermion Index = 0.01 |
Boson Index = 0.99 PEAliettite = 2.75 barns/electron |
U=PEAliettite x rElectron Density= 5.63 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Aliettite is Not Radioactive | Aliettite Classification71.04.02.08 (71)Phyllosilicate Sheets of Six-Membered Rings |
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(71.04)interlayered 1:1, 2:1, and octahedra |
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(71.04.02)Interstratified Chlorite-Smectite group |
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09.EC.60 09 - SILICATES (Germanates) |
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09.E - Phyllosilicates |
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09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets |
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| Other Aliettite InformationNAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) |
Links to other databases for Aliettite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Aliettite using: Visit our Advertisers for Aliettite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Aliettite Mineral Data : Ask about Aliettite here : Print or Cut-and-Paste your Aliettite Specimen Label here :
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