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 Talc at A.C. Prospect (Tough Deposits; Tough A.C.; A. C. Deposits), Tecopa, Sperry Hills, Saratoga District (Tecopa Mountain District; Shoshone District ?), Inyo Co., California, USA