1. A white or colourless mineral (BaSO4); the main source of barium
   - barite, barytes, barium sulphate

Type of: mineral

Encyclopedia: Heavy spar

• guardian angel
• guardian spirit
• guardianship
• guardrail
• guardroom
• guardsman
• Guarneri
• Guarnerius
• Guarnieri
• Guatemala
• Guatemala City
• Guatemalan
• Guatemalan monetary unit
• guava
• guava bush
• Guayaquil
• guayule
• gubbins
• gubernatorial
• guck
• gudgeon
• gudgeon pin
• guelder rose
• Guenevere
• guenon