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
Corundum
at
Rock Creek Sapphire (American Sapphire Gem Mine; Gem Mountain Mine; Anaconda-Sapphire Gulches; Chaussee Sapphire Corp. Mine; American Gem Corp.), Rock Creek Mining District, Granite Co., Montana, USA