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
O'Connell Mine (Greenwalls Property; O'Connell Ranch Mine; O'Connell Number 1; Greenwalt), Coyote, Coyote District, Diablo Range, Santa Clara Co., California, USA