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Related Clues:
- Oceanic phenomenon
- Almost bubble
- Boil slowly
- Earth's most abundant mineral
- Onyx or amethyst
- Not quite boil
- Sea phenomenon
- Watch crystal, maybe
- What a crystal ball gazer sees
- Slow boil
- The smallest sea movement
- Less than average rise and fall of the sea level
- A less than average rise and fall of the sea
- Bubble gently just below boiling point
- Keep just short of boiling point, water or temper