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Barker Hill Quarry (Townsend Quarry; Rusk Quarry), Townsend, Middlesex Co., Massachusetts, USA

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List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
Quartz	4.DA.05	SiO₂
Rutile ?	4.DB.05	TiO₂
Group 9 - Silicates
Albite var: Oligoclase-Albite	9.FA.35	(Na,Ca)[Al(Si,Al)Si₂O₈]
Microcline	9.FA.30	KAlSi₃O₈
Zircon	9.AD.30	ZrSiO₄
Unclassified Minerals
'Allanite' ?	-
'Apatite'	-
Biotite	-
'Chlorite Group'	-

11 entries listed. 7 valid minerals.

References

Rocks & Minerals (1938): 13: 245.

Dale, T. Nelson (1910). Supplementary Notes on the Commercial Granites of New England; USGS Bulletin 470.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Jobs in Massachusetts, 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: 5th Jan 2012 13:26:37