Meta-alunogen Mineral Data

Meta-alunogen Mineral Data
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General Meta-alunogen Information

Help on Chemical Formula: Chemical Formula: Al4(SO4)6•27(H2O)
Help on Composition: Composition: Molecular Weight = 1,170.72 gm
   Aluminum   9.22 %  Al   17.42 % Al2O3
   Hydrogen   4.65 %  H    41.55 % H2O
   Sulfur    16.43 %  S    41.03 % SO3
   Oxygen    69.70 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al4(SO4)6•27(H2O)
Help on Environment: Environment: Formed by dehydration of alunogen.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1942
Help on Locality: Locality: Alum mines 3.5 km south of Francisco de Vergara, Antofagasta, Chile Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for meta, indicating a lower hydrate, and alunogen.
 

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Meta-alunogen Crystallography
Help on Crystal System: Crystal System: Monoclinic
 

Physical Properties of Meta-alunogen

Help on Color: Color: White.
Help on Luster: Luster: Waxy
 

Optical Properties of Meta-alunogen

Help on Optical Data: Optical Data: Biaxial (+), a=1.469, b=1.473, g=1.491, bire=0.0220
 

Calculated Properties of Meta-alunogen

Help on Fermion Index: Fermion Index: Fermion Index = 0.0015740733
Boson Index = 0.9984259267
Help on Photoelectric: Photoelectric: PEMeta-alunogen = 1.37 barns/electron
U=PEMeta-alunogen x rElectron Density= . barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Meta-alunogen is Not Radioactive
 

Meta-alunogen Classification
Help on Dana Class: Dana Class: 29.08.07.01 (29)Hydrated Acid and Sulfates
  (29.08)where (A)2 (XO4)3 · x(H2O)
  (29.08.07)Dana Group
 
29.08.07.01 Meta-alunogen Al4(SO4)6•27(H2O) Mono
Help on Strunz Class: Strunz Class: 07.CB.45 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CB -With only medium-sized cations
 
07.CB.45 Alunogen Al2(SO4)3•17(H2O) P1 1
 
07.CB.45 Meta-alunogen Al4(SO4)6•27(H2O) Mono
 

Other Meta-alunogen Information
Help on References: References: NAME( AntBidBlaNic5) 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 Meta-alunogen :
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)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Meta-alunogen Specimen Label here :

Meta-alunogen

Al4(SO4)6•27(H2O)
Dana No: 29.08.07.01 Strunz No: 07.CB.45
Locality:

 

Notes: