Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by
mindat.org
There are no ages for
Opal
at
Rencio Quarries, Crodo Gneiss Quarries, Crodo, Antigorio Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy