1. A brownish iron sulphide mineral (FeS) having weak magnetic properties
   - pyrrhotite, pyrrhotine

Type of: mineral

• Rochambeau
• Roche limit
• Rochelle powder
• Rochelle salt
• Rochelle salts
• Rochester
• rochet
• Rochon prism
• rock
• rock 'n' roll
• rock 'n' roll musician
• rock band
• rock barnacle
• rock bass
• rock beauty
• rock bit
• rock brake
• rock cake
• rock candy
• rock climber
• rock climbing
• rock concert
• Rock Cornish
• Rock Cornish hen
• rock crab