Related Clues:

• Like ink, to Shakespeare
• Cameo quartz
• Jet-black
• Black, to a bard
• White-and-black layered quartz
• Black, poetically
• African-American
• Dark, poetically
• Kind of quartz
• Jewelry stone
• Black, in poems
• Raven
• Semiprecious stone
• Layered mineral
• Chalcedony with black and white bands