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 Diaoyudaoite Mineral Data

Diaoyudaoite Mineral Data

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General Diaoyudaoite Information

Help on Chemical Formula:Chemical Formula:NaAl11O17
Help on Composition:Composition:Molecular Weight = 591.78 gm
 
 
 
 
 
Help on Empirical Formula:Empirical Formula:NaAl11O17
Help on Environment:Environment:Heavy-mineral (S.G. > 2.8) fraction of the surface layer of sea-floor muds at about 1500 m water depth.
Help on IMA Status:IMA Status:Approved IMA 1986
Help on Locality:Locality:Okinawa Trough, near Diaoyudao Island, a few km northeast of Taiwan. Link to MinDat.org Location Data.
Help on Name Origin:Name Origin:Named for the locality.
Help on Name Pronunciation:Name Pronunciation: Diaoyudaoite + PronunciationSay DIAOYUDAOITE
Help on Synonym:Synonym:ICSD 63263
 PDF 45-1451
 

Diaoyudaoite Image

Click Here for Larger Diaoyudaoite Image in a New Browser WindowImages:
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Diaoyudaoite

Diaoyudaoite Crystallography

Help on Axial Ratios:Axial Ratios:a:c = 1:4.03891
Help on Cell Dimensions:Cell Dimensions:a = 5.602, c = 22.626, Z = 2; V = 614.93 Den(Calc)= 3.20
Help on Crystal System:Crystal System:Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
Help on X Ray Diffraction:X Ray Diffraction:By Intensity(I/Io):11.2(1), 2.68(0.7), 5.65(0.6),
Click Here for Large Diaoyudaoite Structure WindowCrystal Structure:


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Help on Above


Felsche J , Naturwissenschaften , 54 (1967) p.612-613, Zur kristallstruktur von beta-aluminiumoxid, Note: x,y coordinates of O3 altered to produce a more reasonable structure, Locality: synthetic

 

Physical Properties of Diaoyudaoite

Help on Cleavage:Cleavage:{???} Good
Help on Color:Color:Colorless, Light green.
Help on Density:Density:3.3
Help on Diaphaneity:Diaphaneity:Transparent
Help on Hardness:Hardness:7.6
Help on Luster:Luster:Vitreous (Glassy)
Help on Streak:Streak:white
 

Optical Properties of Diaoyudaoite

Help on Gladstone-Dale:Gladstone-Dale:CI meas= 0.007 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.024 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.211,KPDmeas= 0.2046,KC= 0.2061
Ncalc = 1.66 - 1.68
Help on Optical Data:Optical Data:Uniaxial (-), e=1.663, w=1.6876, bire=0.0246.
 

Calculated Properties of Diaoyudaoite

Help on Electron Density:Electron Density:Bulk Density (Electron Density)=3.23 gm/cc
note: Specific Gravity of Diaoyudaoite =3.30 gm/cc.
Help on Fermion Index:Fermion Index:Fermion Index = 0.0002206156
Boson Index = 0.9997793844
Help on Photoelectric:Photoelectric:PEDiaoyudaoite= 1.52 barns/electron
U=PEDiaoyudaoite x Electron Density= 4.93 barns/cc.
Help on Radioactivity:Radioactivity:GRapi = 0(Gamma Ray American Petroleum Institute Units)
Diaoyudaoite isNot Radioactive
 

Diaoyudaoite Classification

Help on Dana Class:Dana Class:07.11.12.01(07)Multiple Oxides
 (07.11)as titano-oxides with [4] and [6] substitutions
 (07.11.12)Dana Group
 
Help on Strunz Class:Strunz Class: 04.CC.4504 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
 04.C - Metal:Oxygen = 2:3, 3:5, and Similar
 04.CC -With large and medium-sized cations
 
 
 
 
 
 
 
 
 
 
 

Other Diaoyudaoite Information

Help on References:References:NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.75,p240,1990) OPTIC PROP.(Am.Min.,Vol.75,p240,1990)
Help on See Also:See Also:Links to other databases for Diaoyudaoite :
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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