IMA2004-051 Mineral Data

IMA2004-051 Mineral Data

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General IMA2004-051 Information

Chemical Formula:

5(Al2O3)·H2O

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

Empirical Formula:

5(Al₂O₃)·(H₂O)

IMA Status:

Proposed IMA 2004 (Dana # Added)

Locality:

Kulet Kol region, Kokchetav massif, Kazakhstan Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals and Mineral Names (CNMMN)

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IMA2004-051 Crystallography

Axial Ratios:

a:c = 1:1.58781

Cell Dimensions:

a = 5.58, c = 8.86, Z = 1; V = 238.91 Den(Calc)= 3.67

Crystal System:

Hexagonal - Dihexagonal PyramidalH-M Symbol (6mm) Space Group: P 6₃mc

Optical Properties of IMA2004-051

Optical Data:

NCalc= 1.67 - from Gladstone-Dale relationship (KC = 0.2115) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2004-051

Electron Density:

r_electron=3.13 gm/cc
note: r_IMA2004-051=3.18 gm/cc.

Fermion Index

Fermion Index = 0.00023
Boson Index = 0.99977

Photoelectric:

PE_IMA2004-051= 1.50 barns/electron
U=PE_IMA2004-051 x r_electron= 4.70 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

IMA2004-051 is Not Radioactive

IMA2004-051 Classification

Dana Class:

4.3.2.3 (4)Simple Oxides

(4.3)with a cation charge of 3+ (A+++2 O3)

(4.3.2)Dana Group

4.3.2.1 Akdalaite (Al2O3)4·(H2O) P 6₁22,P 6₁ 6 2 2

4.3.2.2 Ferrihydrite Fe2O3·0.5(H2O) P 31c 3 2/m

4.3.2.3 IMA2004-051 ! 5(Al2O3)·H2O P 6₃mc

Strunz Class:

IV/X.00-00 IV - Oxides

IV/X - Unclassified Strunz Oxides

IV/X.00 - Oxide, Hydrated

Other IMA2004-051 Information

See Also:

Links to other databases for IMA2004-051 :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch)

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Print or Cut-and-Paste your IMA2004-051 Specimen Label here :

IMA2004-051

5(Al2O3)·H2O
Dana No: 4.3.2.3 Strunz No: IV/X.00-00
Locality:

Notes: