Diaoyudaoite Mineral Data

[Fine Minerals] [What's New] [Mineral Galleries] [My Collection] [Mineral Auctions]
Weinrich Minerals, Inc
Full-time professional mineral dealer with over 31 years experience in mineral collecting
And 15 years selling mineral specimens on the internet and at major mineral shows

General Diaoyudaoite Information

Chemical Formula:

NaAl11O17

Composition:

Molecular Weight = 591.78 gm

Sodium 3.88 % Na 5.24 % Na₂O

Aluminum 50.15 % Al 94.76 % Al₂O₃

Oxygen 45.96 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaAl₁₁O₁₇

Environment:

Heavy-mineral (S.G. > 2.8) fraction of the surface layer of sea-floor muds at about 1500 m water depth.

IMA Status:

Approved IMA 1986

Locality:

Okinawa Trough, near Diaoyudao Island, a few km northeast of Taiwan. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Diaoyudaoite + Pronunciation

Synonym:

ICSD 63263

PDF 45-1451

Diaoyudaoite Image

Images:

Diaoyudaoite

Comments: Dark green crystalline diaoyudaoite.
Location: Novosibirsk District, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Diaoyudaoite Crystallography

Axial Ratios:

a:c = 1:4.03891

Cell Dimensions:

a = 5.602, c = 22.626, Z = 2; V = 614.93 Den(Calc)= 3.20

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/I_o): 11.2(1), 2.68(0.7), 5.65(0.6),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
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

Cleavage:

{???} Good

Color:

Colorless, Light green.

Density:

3.3

Diaphaneity:

Transparent

Hardness:

7.6

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Diaoyudaoite

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

Optical Data:

Uniaxial (-), e=1.663, w=1.6876, bire=0.0246.

Calculated Properties of Diaoyudaoite

Electron Density:

Bulk Density (Electron Density)=3.23 gm/cc
note: Specific Gravity of Diaoyudaoite =3.30 gm/cc.

Fermion Index:

Fermion Index = 0.0002206156
Boson Index = 0.9997793844

Photoelectric:

PE_Diaoyudaoite= 1.52 barns/electron
U=PE_Diaoyudaoite x rElectron Density= 4.93 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Diaoyudaoite is Not Radioactive

Diaoyudaoite Classification

Dana Class:

07.11.12.01 (07)Multiple Oxides

(07.11)as titano-oxides with [4] and [6] substitutions

(07.11.12)Dana Group

07.11.12.01 Diaoyudaoite NaAl11O17 P 6₃/mmc 6/m 2/m 2/m

Strunz Class:

04.CC.45 04 - 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

04.CC.45 Hawthorneite Ba[Ti3Cr4Fe4Mg]O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Diaoyudaoite NaAl11O17 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Magnetoplumbite Pb(Fe,Mn)12O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Haggertyite! Ba[Fe6Ti5Mg]O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Batiferrite! Ba(Ti2Fe8Fe2)O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Hibonite (Ca,Ce)(Al,Ti,Mg)12O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Nezilovite! PbZn2(Mn,Ti)2Fe8O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Lindqvistite Pb2(Mn,Mg)Fe16027 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Plumboferrite Pb2Fe(11-x)MnxO19-2x(x=1/3) P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Yimengite K(Cr,Ti,Fe,Mg)12O19 P 6₃/mmc 6/m 2/m 2/m

Other Diaoyudaoite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.75,p240,1990) OPTIC PROP.(Am.Min.,Vol.75,p240,1990)

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

Search for Diaoyudaoite using:

[ALTAVISTA] [AOL] [bing] [GeoScienceWorld] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Diaoyudaoite :

B & L Fine Minerals

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

John Betts Fine Minerals

Lapis Mineral Journal

Mineral News

UV Tools

Wrights Rock Shop

Translate Diaoyudaoite Mineral Data :

Ask about Diaoyudaoite 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 Español

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

Diaoyudaoite

NaAl11O17
Dana No: 07.11.12.01 Strunz No: 04.CC.45
Locality:

Notes: