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Barrus farm pegmatite localities (Weeks farm), Goshen, Hampshire Co., Massachusetts, USA

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Location is approximate, estimate based on other nearby localities.
Latitude & Longitude (WGS84): 42° 20' 24'' North , 72° 39' 49'' West (est.)
Margin of Error:~0km
Köppen climate type:Dfb : Warm-summer humid continental climate

Granite pegmatite. Berkshire pegmatite field. (This list also covers Rood Ledge, Taylor Ledge, Manning Ledge, and Lilly Pond Ledges, which are located in the same general area.)

Type location for goshenite (C. U. Shepard, 1844), now a colorless or white variety of beryl. Originally, goshenite was cloudy pale pink beryl, but the scarcity of pink beryl at the locality resulted in the name being transfered to the ordinary white beryl that was reasonably available at the locality.

Granite pegmatite occurs as scattered boulders to five meters in maximum dimension. Although there are bedrock occurrences of granite pegmatite in the area, the tourmaline and cleavelandite boulders can not be traced to a particular dike. Elijah Weeks [b. August 23, 1764] owned the farm 1784-1789. Elijah sold the farm to his brother-in-law, Cyrus Stearns, in 1789. The tourmaline and other interesting minerals including tourmaline were discovered by or before 1811, when mining of the pegmatite boulders began by Dr. David Hunt of Northampton and Colonel George Gibbs of Newport, RI. After Elijah Weeks' father died in 1817, Elijah Weeks moved to Scipio, New York. In 1819, Gibbs' wrote about the locality and gave credit to "Mr. Weeks of New York" for being the discoverer of the locality. In 1823, Cyrus Stearns sold the farm to Levi Barrus. The farm sold back and forth to various people and Levi Barrus until 1845 and then Levi lived on the farm continuously until his death in 1877. Alvan Barrus, his son, inherited the farm. Although the locality was originally called the Weeks Farm, the subsequent owners, the Barrus family owned the land for such an extended period of time that the Weeks connection was all but forgotten.

Mineral List

15 valid minerals. 2 erroneous literature entries.

Rock Types Recorded

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This page contains all mineral locality references listed on mindat.org. 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 mindat.org 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.


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Bruce, Archibald (1811). Indicolite. American Mineralogical Journal [Bruce's Journal] v. 1, p. 122-123.
Gibbs, George (1819). On the Tourmalines and Other Minerals Found at Chesterfield and Goshen, Massachusetts, American Journal of Science & Arts: 1: 346-351.
Hitchcock, Edward (1825). Notice of Several Localities of Minerals in Massachusetts, American Journal of Science & Arts: 9: 20-23.
Hitchcock, Edward (1829) Tin in Massachusetts. American Journal of Science, 1st series, vol. 16, p. 188.
Shepard, Charles U. (1829) Discovery of columbite in Chesterfield, Mass. American Journal of Science, 1st series, vol. 16, p. 220.
Shepard, Charles U. (1838). Notice of a Second Locality of Topaz in Connecticut, and of the Phenakite in Massachusetts, American Journal of Science: 34: 329-331.
Shepard, Charles U. (1842). On Washingtonite (a New Mineral), the Discovery of Euclase in Connecticut, and Additional Notices of the Supposed Phenakite of Goshen [MA], and Calstron-baryte of Schoharie, New York, American Journal of Science: 43: 364.
Mallet, J. W. (1856), On the Rose-colored Mica of Goshen, Massachusetts, American Journal of Science: 23: 180.
Dana, J. and Brush, G. (1868), A System of Mineralogy.
Julien, Alexis A. (1879). Spodumene and its alterations, from the granite veins of Hampshire County, Mass. in Annals of the New York Academy of Sciences, v.1, no. 10, p. 318-354.
Hess, F. L., Whitney, R. J., Trefethen, J., and Slavin, M. (1943). The rare alkalis in New England: U.S. Bureau of Mines, Information Circular No. 7232, p. 40-42.
Shaub, B. M and Schenck, B. J. (1954). Pollucite From Lithia, Massachusetts, American Mineralogist: 39: 661.
Januzzi, R.E. and Seaman, David M. (1976), Mineral Localities Of Connecticut and Southern New York State.
Plante, Alan R. (1992). Western Massachusetts Mineral Localities, Greenfield Massachusetts, Valley Geology Press.
Clark (1993), Hey's Mineral Index, 3rd Edition.

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