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Montana
Gem Mountain sapphire (Rock Creek), Montana
Gem locality Documented sitePermission required
What you could find
Reported finds from this ground.
GoldAlso reported: Fancy sapphires screened from gravel at fee operation.
Photos via Wikimedia Commons: BLM Alaska (Public domain).
Why this spot
Tertiary placer
Rock Creek district commercial sapphire.
Keep exploring nearby
More spots in this area.