Where to Find Actinolite in Utah
Utah has 5 mapped collecting spots that report actinolite, spread across 4 counties. The largest share sits in Salt Lake County with 2 spots. 5 of the spots are on land mapped as publicly accessible.
Spot list checked against source data on April 1, 2026.
Every actinolite spot we track in Utah
Big Cottonwood mining districtSalt Lake County, UtahPublic access · Actinolite, Barite, Orthoclase +10
Granite MountainIron County, UtahPublic access · Actinolite, Albite, Amethyst +10
Santaquin & Silver Lake mining districtsUtah County, UtahPublic access · Actinolite, Andradite, Argentite +9
Bingham CanyonSalt Lake County, UtahPublic access · Actinolite, Barite, Bismuth +8
Miner's BasinGrand County, UtahPublic access · Actinolite, Calcite, Chalcedony +8
Best counties for actinolite in Utah
Ranked by the number of mapped actinolite spots. County links open the full rockhounding page for that county.
Before you go
Read the actinolite identification guide so you know what a keeper looks like in the field: Actinolite in the encyclopedia.
Actinolite in Utah FAQ
Where can you find actinolite in Utah?+
The mapped spots concentrate in Salt Lake County, Grand County, and Iron County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many actinolite spots are mapped in Utah?+
5 spots across 4 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.
Is it legal to collect actinolite in Utah?+
Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 5 of the 5 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
