Related Clues

• Metal in surgical tools
• Corrosion-resistant metal
• Metal in the points of gold pens
• Element often found in meteorites
• Most corrosion-resistant metal
• Platinum-group element
• Extremely rare metal with atomic number 77
• Metal between osmium and platinum on the periodic table
• Metal named for the Greek goddess of the rainbow
• Metal named for a blue line in its spectrum
• Atomic number 77
• Brittle metallic element
• Element named for the rainbow
• Element no. 77
• Metallic element used in spark plugs
• Heavy brittle metal used in alloys, Ir
• Heavy corrosion-resistant metal, used in alloys
• Metallic element resistant to corrosion, atomic no. 77
• Old city free for student element