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Duffy Granite quarry, Concord, Merrimack Co., New Hampshire, USA

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Detailed Mineral List:

Microcline
Formula:	KAlSi₃O₈
Reference:	No reference listed







Muscovite
Formula:	KAl₂(AlSi₃O₁₀)(OH)₂
Reference:	No reference listed







Quartz
Formula:	SiO₂
Reference:	No reference listed

3 entries listed. 3 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in New Hampshire, 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: 21st Nov 2011 12:17:51