- Neidermennig, Rheinland, Germany1
- Neshaminy Creek, Philadelphia County, Pennsylvania, United States1
- New Almaden District, Santa Cruz Mountains, Santa Clara County, California, United States1
- New Jersey, United States1
- New York, United States1
- Newlin, Chester County, Pennsylvania, United States1
- Newport, Newport County, Rhode Island, United States1
- North Stafford, Connecticut, United States1
- Northumberland County, Pennsylvania, United States1
- Norway1
- Norwich, Hampshire County, Massachusetts, United States1
- Norwich, New London County, Connecticut, United States1
- Oban, Argyll and Bute, Scotland, United Kingdom1
- Ogdensburg, Franklin Mining District, Sussex County, New Jersey, United States1
- Onondaga County, New York, United States1
- Pasco province, Pasco Department, Peru1
- Passamaquoddy Bay, Maine, United States1
- Perkiomen Mines, Perkiomen, Montgomery County, Pennsylvania, United States1
- Perkiomen, Montgomery County, Pennsylvania1
- Perkiomen, Pennsylvania, United States1