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Obsidian occurance, Milford, Beaver Co., Utah, USA

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List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO₂ with [4] coordinated Si
Cristobalite	75.1.1.1	SiO₂
Unclassified Minerals
'Obsidian'	-

2 entries listed. 1 valid mineral.

References

Kapple, William: Rockhounding Utah.

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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: 10th Aug 2012 00:08:35