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
Cristobalite
at
Big Reef Mines (Black Jack Claims; Pisgah Claim; Clark Claim; Clark No. 1 Claim; Willkie Claim; End Line Claim; Bobbie Claim; Sullivan Claim; Black Butte Mine; N. Extension Claim; Endline Claim; Time Claim; Hangover Mine), Lavic, San Bernardino Co., California, USA