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Helfenberg, Rohrbach, Mühlviertel, Upper Austria, Austria

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List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB₂X₄
Magnetite	7.2.2.3	Fe²⁺Fe³⁺₂O₄
Group 52 - NESOSILICATES Insular SiO₄ Groups and O,OH,F,H₂O
Insular SiO₄ Groups and O, OH, F, and H₂O with cations in [4] and >[4] coordination
Sillimanite	52.2.2a.1	Al₂(SiO₄)O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite	61.2.1.1	(Mg,Fe)₂Al₃(AlSi₅O₁₈)

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 15:45:22