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Twin Peaks, Lead District, Lawrence Co., South Dakota, USA

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List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Orthoclase	9.FA.30	KAlSi₃O₈
Unclassified Minerals
'Hornblende'	-

2 entries listed. 1 valid mineral.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in South Dakota, 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: 14th Jul 2011 08:18:04