Related Clues:

• As you're speaking, this goes overhead
• Clear blue
• Relative of cerulean
• Sapphire alternative
• Like good water for snorkeling
• All the letters going from old city to Spain more than a little blue
• Star of Bombay, e.g
• Precious stone of rich blue
• Deep blue gem
• A very quiet horse brought round - a gem
• Representation of a shipper in stone
• Perhaps I could be turned to stone
• A gem; I, perhaps (anag.)
• Perhaps I turned blue
• Precious stone brought Greek poetess endless anger