Michigan Counties and their Gems - Minerals - Stones
ProspectorPete.com
Michigan Gem and Mineral Locations by County
Gem Locations in the US
Dickinson - actinolite, beryl
Emmet - agate, fossils, Petoskey stone
Houghton - agate, garnet
Keweenaw - agate, chlorastrolite, domeykite, hessonite
Marquette - jasper, jaspillite, tourmaline
Ontonagon - agate, datolite, malachite, tenorite
Disclaimer: This is a list of known previous locations of Gems or Minerals found either recently or in the past. It is recommended you research further to find exact locations or mining properties to give you a better idea of where to start your search. As we get more information, we will post it here. Please check our online blog or join our Treasure Buddy Network (coming soon) for local information.
