Mineralogy Database

Meta-alunogen Mineral Data

Search Webmineral :

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.

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)Hydrated Acid and Sulfates
  (29.08)where (A)2 (XO4)3 � x(H2O)
  (29.08.07)Dana Group 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 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Meta-alunogen using:

Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Meta-alunogen :

Dakota Matrix Google Search for Meta-alunogen
Excalibur Minerals Google Search for Meta-alunogen
Exceptional Minerals Google Search for Meta-alunogen
Hudson Insitute Google Search for Meta-alunogen
John Betts Fine Minerals Search for Meta-alunogen
Mc Dougall Minerals Google Search for Meta-alunogen
Mineral News Website Link
Rock and Mineral Shows Website Link
Weinrich Minerals, Inc. Google Search for Meta-alunogen

Ask about Meta-alunogen 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 Meta-alunogen Specimen Label here :


Dana No: Strunz No: 07.CB.45