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Knoxville area, Napa Co., California, USA

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List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB₂X₄
Chromite	7.2.3.3	FeCr₂O₄
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO₂ with H₂O and organics
Opal	75.2.1.1	SiO₂ · nH₂O
Unclassified Minerals
Quartz var: Chert	-	SiO₂
var: Prase	-	SiO₂

4 entries listed. 4 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in California, USA 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: 30th Jun 2011 02:25:40