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Helfenberg, Rohrbach, Mühlviertel, Upper Austria, Austria

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List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
Group 9 - Silicates
Cordierite	9.CJ.10	(Mg,Fe)₂Al₃(AlSi₅O₁₈)
Sillimanite	9.AF.05	Al₂(SiO₄)O

3 entries listed. 3 valid minerals.

External Links

- Herman Kohl, in: Minerale aus dem Mühlviertel. Der Mineraliensammler, Mitteilungsblatt der „Vereinigten Mineraliensammler Österreichs“ Folge 2 / 3 1974, Salzburg 1974, Seite 11 - 15.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 19th Feb 2012 15:45:33