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Paraná Department, Entre Ríos, Argentina

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List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Opal	4.DA.10	SiO₂ · nH₂O
var: Wood Opal	4.DA.10	SiO₂ · nH₂O
Quartz var: Agate	4.DA.05	SiO₂
var: Chalcedony	4.DA.05	SiO₂
var: Jasper	4.DA.05	SiO₂

5 entries listed. 5 valid minerals.

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Current server date and time: 3rd Nov 2012 18:49:20