Related Clues:

• Like heaven's vault, in a Shelley poem
• Piano key wood, poetically
• Blackest black
• Jet-black, poetically
• Blake's black
• Dark, to bards
• Conrad, for one
• Jet-black rock
• Black, to Byron
• Quartz mineral
• Figurine stone
• Jet-black, in verse
• Common cameo stone
• Publishing tycoon or CBC Radio host
• Raven-hued