Potential answers for "Hyalite, in geology"

⭐⭐⭐⭐ OPAL
⭐⭐ EARTHSCIENCE
⭐⭐ ROCK
⭐⭐ MARINE
⭐⭐ OROGENY
⭐⭐ EON
⭐⭐ EPOCH
⭐⭐ LYELL

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