France, Auvergne-Rhône-Alpes
Puy-de-Dome sapphire placers, Le Sioulet
Gem locality Documented siteGray area
What you could find
Reported finds from this ground.
GoldAlso reported: Small blue sapphire, zircon.
Photos via Wikimedia Commons: BLM Alaska (Public domain).
Why this spot
Quaternary placer from basalt
Auvergne basalt-derived gem placers, a long-known French curiosity.
Keep exploring nearby
More spots in this area.