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
Microcline
at
White Butte Deposit (Kummerfeld Mine; Beck Feldspar Mine; Beck Spar; Feld-1 Claim), Bird Spring, Gravel Hills, San Bernardino Co., California, USA