The Story of Ore Hill ZincLead Mine, Warren, Grafton County, NH
Minerals found in the mine are: Pyrite, galena, rutile, chlorite, biotite, cordierite, hematite, epidote, spessartine garnet, tremolite, quartz, talc, pyrrhotite, sillimanite, anthophyllite, muscovite, phlogopite, silver (as a byproduct of galena), chalcopyrite (copper ore), kyanite and sphalerite. Galena Pyrite Rutile TremoliteSphalerite