- Philadelphia, Philadelphia County, Pennsylvania, United States2
- Riechelsdorf, Hessen, Germany2
- Schuylkill River, Philadelphia, Philadelphia County, Pennsylvania, United States2
- Scotch Plains, Union County, New Jersey2
- Siciliy, Italy2
- Spain2
- Sparta, Sussex County, New Jersey, United States2
- Spartanburg, Spartanburg County, South Carolina, United States2
- Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, United States2
- Sussex County, New Jersey, United States2
- Topsham, Sagadahoc County, Maine, United States2
- Utö Mines, Utö, Södermanland, Sweden2
- Warwick, Orange County, New York, United States2
- Willow Grove, Lawrence County, Pennsylvania, United States2
- Abbeville District, Abbeville County, South Carolina, United States1
- Agrigento, Sicily, Italy1
- Ahmednagar, India1
- Almadén, Ciudad Real, Spain1
- Alstead, Cheshire County, New Hampshire, United States1
- Amity, Orange County, New York, United States1