Akdalaite Mineral Data

Akdalaite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


Desert Winds Gems and Minerals
[Mineral Galleries] [About Me] [e-Bay Items] [Latest News] [How to Order]
A Diverse Selection of Beautifully Unique Gem & Mineral Specimens
Desert Winds Gems & Minerals • For All Levels of Collectors Worldwide
Aesthetic & Rare Mineral Specimens • Regular Updates


General Akdalaite Information

Help on Chemical Formula: Chemical Formula: 5(Al2O3)•(H2O)
Help on Composition: Composition: Molecular Weight = 527.82 gm
   Aluminum  51.12 %  Al   96.59 % Al2O3
   Hydrogen   0.38 %  H     3.41 % H2O
   Oxygen    48.50 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (Al2O3)5•(H2O)
Help on Environment: Environment: In a skarn.
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: Solvech fluorite deposit, Karaganda region, Kazakhstan, Akdala. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Kazakh name for the locality.
Help on Name Pronunciation: Name Pronunciation: Akdalaite + Pronunciation Say AKDALAITE
Help on Synonym: Synonym: IMA1969-002
  IMA2004-051 - IMA1969-002 (Akdalaite) has priority
 

Akdalaite Image

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

Akdalaite

Comments: Crystalline white akdalaite.
Location: Bulla Island, Caspian Sea, Kazakhstan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Akdalaite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.58781
Help on Cell Dimensions: Cell Dimensions: a = 5.58, c = 8.86, Z = 1; V = 238.91 Den(Calc)= 3.67
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal PyramidalH-M Symbol (6mm) Space Group: P 63mc
Click Here for Large Akdalaite Structure Window 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


Demichelis R , Noel Y , Zicovich-Wilson C M , Roetti C , Valenzano L , Dovesi R , Journal of Physics: Conference Series , 117 (2008) p.012013-012013, Ab-initio quantum mechanical study of akdalaite (5Al2O3·H2O):, Structure and vibrational spectrum,, Locality: Theoretical structure

 

Physical Properties of Akdalaite

Help on Cleavage: Cleavage: None
Help on Color: Color: White.
Help on Density: Density: 3.68
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 7 - Quartz
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Akdalaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.044 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.042 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2027,KPDmeas= 0.2022,KC= 0.2115
Ncalc = 1.78
Help on Optical Data: Optical Data: Uniaxial (-), e=1.741, w=1.747, bire=0.0060.
 

Calculated Properties of Akdalaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.62 gm/cc
note: Specific Gravity of Akdalaite =3.67 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0002333701
Boson Index = 0.9997666299
Help on Photoelectric: Photoelectric: PEAkdalaite = 1.50 barns/electron
U=PEAkdalaite x rElectron Density= 5.42 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Akdalaite is Not Radioactive
 

Akdalaite Classification
Help on Dana Class: Dana Class: 04.03.02.01 (04)Simple Oxides
  (04.03)with a cation charge of 3+ (A+++2 O3)
  (04.03.02)Dana Group
 
04.03.02.01 Akdalaite 5(Al2O3)•(H2O) P 63mc 6mm
 
04.03.02.02 Ferrihydrite Fe2O3•0.5(H2O) P 31c 3 2/m
Help on Strunz Class: Strunz Class: 04.FL.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FL -Hydroxides with H2O ± (OH); sheets of edge-sharing octahedra
 
04.FL.05 Akdalaite 5(Al2O3)•(H2O) P 63mc 6mm
 
04.FL.05 Meixnerite Mg6Al2(OH)18•4(H2O) R 3m 3 2/m
 
04.FL.05 Jamborite (Ni,Ni,Fe)(OH)2(OH,S,(H2O)) Unk Hex
 
04.FL.05 Iowaite Mg4Fe(OH)8OCl•2-4(H2O) R 3m 3 2/m
 
04.FL.05 Muskoxite Mg7Fe4O13•10(H2O) Unk (pseudo HEX-R) Trig
 
04.FL.05 Woodallite! Mg6Cr2(OH)16Cl2•4(H2O) R 3m 3 2/m
 

Other Akdalaite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Akdalaite :
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 Akdalaite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Akdalaite :

AA Mineral Specimens

B & 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 Akdalaite Mineral Data :

Ask about Akdalaite 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 Akdalaite Specimen Label here :

Akdalaite

5(Al2O3)•(H2O)
Dana No: 04.03.02.01 Strunz No: 04.FL.05
Locality:

 

Notes: