New Hampshire · Sullivan County
Prospect

Columbian Gem Mine

Sullivan County, New Hampshire, United States
Feldspar
⌖ Show on mapUSGS source ↗
Commodities
PrimaryFeldspar
Commodity typeN
Economic & production
Development statusProspect
Identification
Deposit ID10150013
RegionNA
Data scoreD
Coordinates43.52437, -71.97778
References
CAMERON, E.M., LARRABEE, D.M., MCNAIR, A.H. AND OTHERS, 1954USGS PROF PAPER 255.MINOR ACCESSORY MINERALS-GARNET, BLACK TOURMALINE, MUSCOVITEBERYL, & QUARTZ.PEARRE, NANCY C & CALKINS, JAMES A, 1957, USGS MIN INV RES M