The sapphire and the Montana agate are the official Montana state gem stones.
State Gem Stones
Mont. Code Ann. § 1-1-505, under State Symbols -- Official Designations.
Mont. Code Ann. § 1-1-505
Mont. Code Ann. § 1-1-505, under State Symbols -- Official Designations.
Mont. Code Ann. § 1-1-505
The sapphire and the Montana agate are the official Montana state gem stones.
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