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William Wise Mine, Westmoreland, Cheshire Co., New Hampshire, USA

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Latitude & Longitude (WGS84): 42° 57' 1'' North , 72° 29' 11'' West
Latitude & Longitude (decimal): 42.95031,-72.48643
Köppen climate type:Dfb : Warm-summer humid continental climate

Fluorite mine started ca. 1890's and closed about 1919. Worked intermittently since for specimens until present. Formerly owned by the American Tube and Stamping Co., Bridgeport, CT (1918-1919). Mineralized area is termed the William Wise vein.

Mineral List

16 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

Devonian - Silurian
358.9 - 443.8 Ma

ID: 3186140
Paleozoic sedimentary and volcanic rocks

Age: Paleozoic (358.9 - 443.8 Ma)

Lithology: Mudstone-carbonate-sandstone-conglomerate

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Late Ordovician
443.8 - 458.4 Ma

ID: 2802048
Oliverian Plutonic Suite - granodioritic to quartz dioritic gneissic

Age: Late Ordovician (443.8 - 458.4 Ma)

Stratigraphic Name: Oliverian Plutonic Suite

Description: Granodioritic to quartz dioritic gneissic border phase of Oobg, perhaps in part metasomatic. Part of the Bronson Hill arch intrusive rocks.

Lithology: Major:{orthogneiss}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

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.


Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Marshall, John (1969). Bonanza at the Wise. Rocks & Minerals: 44: 163-171.
Rocks & Minerals (1990): 65: 329-335.
White, John S. and Cook, Robert B. (1990). Amethyst Occurrences of the Eastern United States. Mineralogical Record: 21: 203-213.
Robinson, G. et. al. (1995): World review of mineral discoveries: 1993-1994. Mineralogical Record: 26: 475-499.
Greene, Eric (1997). Recent Developments at the William Wise Mine, Mineral News: 13(4): 1, 8-9.
Rocks & Minerals (2005), New Hampshire Mineral Locality Index: 80: 242-261.

External Links - Wise Mine operations 2001-2003

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