Related Clues:
- Rock fissure or minerals therein
- Blue feature of Stilton or Roquefort
- Announcer's asset
- Tubular vessel some have internally
- Say nothing in sin
- Source of donated blood
- Is against a foreign bloodline
- Streak in marble
- Vessel that’s empty picked up by mistake?
- Very old diamonds, say
- Some drive into vessel
- It contains human blood
- It contains blood
- Place for blood
- Make public what's at the end of 9 down