Potential answers for "Rock that can form in petrified wood"

⭐⭐⭐⭐ AGATE
⭐⭐⭐ FOSSIL
⭐⭐⭐ OPAL
⭐⭐⭐ WASHINGTON
⭐⭐⭐ HARD
⭐⭐ ARIZONA
⭐⭐ SCAREDSTIFF
⭐⭐ SUCROSE
⭐⭐ SHALE
⭐⭐ TRIASSIC

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