Clue: Gray mineral

Answer: TRONA

Length: 5

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Similar Clues:

• Soft blue-gray mineral (GALENA with 6 letters)
• Grayish-white mineral (TRONA with 5 letters)
• White or gray mineral (LEUCITE with 7 letters)
• Gray-white mineral (TRONA with 5 letters)
• Grayish mineral (URAO with 4 letters)
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• Blue-gray mineral (GALENA with 6 letters)
• Layered minerals (MICAS with 5 letters)
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