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Cobano Mine, El Salvador, Mun. de San Cristóbal de la Barranca, Jalisco, Mexico

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List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Opal var: Precious Opal	4.DA.10	SiO₂ · nH₂O

1 entry listed. 1 valid mineral.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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: 28th Jun 2011 04:35:17