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Mystic Marvels of Rare Rock Formations is a medium crossword puzzle with 8 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Mystic Marvels of Rare Rock Formations
Moderate difficulty suitable for most players
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Across
  • 1. Primary ore of aluminum found in rare sedimentary deposits
  • 2. Lens-shaped clouds or rock formations shaped by pressure
  • 3. Rock cavity lined with crystals inside
  • 6. Ring-shaped coral reef often enclosing a lagoon
  • 7. Tall, slender rock formations often found in clustered groups
Down
  • 4. Layered sedimentary formations created by ancient microbial mats
  • 5. Step-like landforms created by water depositing minerals
  • 8. Small volcanic spout formed by gas escape
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