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Estes Quarry, West Baldwin, Baldwin, Cumberland Co., Maine, USA

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Aggregate quarry in West Baldwin. Granite pegmatite.

Mineral List

62 valid minerals. 1 erroneous literature entry.

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Rocks and Minerals (1999): 74: 188, 189.

Mineral News (2000): 16(1): 1,4,5.

Thompson, Woodrow B.; Gene T. Bearss, Alexander U. Falster, William B. Simmons, and James W. Nizamoff (2000). The Estes Quarry, Cumberland County, Maine: A New Pegmatite Mineral Locality. Rocks & Minerals 75:408-418.

Nizamoff, J. W.; A. U. Falster, and W. B. Simmons (2004). New data on roscherite-group minerals from New England, South Dakota and Brazil, Rocks & Minerals 79:341-342.

Bearss, Gene (2010). "What's New at the Estes Quarry" Micromounters of New England 2010 Symposium presentation.

Falster, A. U., Nizamoff, J. W., Bearss, and Simmons, W. B. (2011), A Second U. S. Location for Väyrynenite - The Estes Quarry, West Baldwin, Maine and New Data on Vayrynenite from Wisconsin and Pakistan, 38th Rochester Mineralogical Symposium Progran and Abstracts: 18-20.

Kampf, A.R., Mills, S.J., Simmons, W.B., Nizamoff, J.W., Whitmore, R.W. (2012): Falsterite, Ca2MgMn2+2(Fe2+0.5Fe3+0.5)4Zn4(PO4)8(OH)4(H2O)14, a new secondary phosphate mineral from the Palermo No. 1 pegmatite, North Groton, New Hampshire. American Mineralogist: 97: 496-502.

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