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
Bertrandite
at
A & C Claims (A & C No. 2 Claim; China Wall Cupola), Lake George Beryllium Area (Badger Flats Beryllium Area; Mountain Dale), Park Co., Colorado, USA