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Piaui, Piauí

Pedro II opal mines

Opal field Documented siteProhibited, look only
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What you could find

Reported finds from this ground.

OpalOpal

Photos via Wikimedia Commons: Dpulitzer (CC BY-SA 4.0).

Why this spot

Sandstone-hosted

Pedro II in Piaui is Brazil's main precious opal source

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.
Pedro II opal mines1 km away · Opal field
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