Where to Find Hornblende
16 mapped hornblende spots across 11 regions. Pick a region for its local guide, or browse every spot below. Hornblende is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.
Every mapped hornblende spot
Best spotBenningtonBennington County, VermontPublic access · Blue Quartz, Garnet, Feldspar +2
Best spotTunk MountainHancock County, MainePublic access · Smoky Quartz, Feldspar, Hornblende +1
AltaSalt Lake County, UtahPublic access · Apatite, Biotite, Barite +14
Little CottonwoodSalt Lake County, UtahPermission required · Apatite, Alunite, Biotite +10- Cowee CreekMacon County, North CarolinaPublic access · Garnet, Ruby, Sapphire +8
- Ely MineOrange County, VermontPublic access · Chalcopyrite, Pyrrhotite, Pyrite +7
- Moosup RiverProvidence County, Rhode IslandPublic access · Epidote, Hornblende, Orthoclase +7
- RingwoodPassaic County, New JerseyPermission required · Calcite, Chalcopyrite, Corundum +6
- BullockGranville County, North CarolinaPublic access · Epidote, Labradorite, Titanite +3
- In pegmatite outcrops on area roadsidesYavapai County, ArizonaPublic access · Mica, Garnet, Hornblende +2
- Big Falls ParkEau Claire County, WisconsinPublic access · Almandine, Cummingtonite, Hornblende +1
- Mason MountainMacon County, North CarolinaPublic access · Corundum, Garnet, Hornblende +1
- Mitchell RiverSurry County, North CarolinaPublic access · Yellow Chalcedony, Hornblende, Steatite
- Pipers GapCarroll County, VirginiaPublic access · Hornblende, Serpentine, Talc
- Crehore MineEssex County, New YorkPublic access · Garnet, Hornblende
- Area Near Jenson QuarryRiverside County, CaliforniaPublic access · Hornblende
Top regions for hornblende
United States
16 spots · 11 regionsHornblende rockhounding FAQ
Where is the best place to find hornblende?+
North Carolina, Utah, Vermont have the highest concentrations of hornblende in this list. Quality and access vary by area, so open the linked region pages for a detailed view.
How many hornblende rockhounding spots does RockHoundR track?+
16 mapped spots across 11 regions. The app keeps these on a map alongside your private finds.
Can I legally collect hornblende on public land?+
In the U.S., casual hand collecting of common rocks and minerals like hornblende is allowed on most BLM and U.S. Forest Service land, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Rules differ by country and region, so always check with the managing agency before a trip.
How do I identify hornblende in the field?+
Field identification of hornblende comes down to color, hardness, fracture, and luster. The RockHoundR app links to geology details for each spot to help narrow down what you might be picking up.
Hunt hornblende on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
