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
Actinolite
at
New Humboldt Mine (Ampson; Washington; Baron; And; Humboldt Workings; New Humboldt Mine-Includes: Old S), Marquette Iron Range, Marquette Co., Michigan, USA