Michigan, USA

Gemstone List

Gem list contains entries from all listed localities in region.

USA

Michigan
- Charlevoix County
  - Charlevoix
    - Medusa Cement
- Cheboygan County
- Crawford County
  - Frederic
    - Unnamed gravel pit
- Emmet County
  - Petoskey
- Houghton County
  - Calumet Township
    - Calumet
  - Portage Township
    - Isle Royal Mines
- Keweenaw County
  - Allouez Township
    - Mohawk
      - Mohawk Mine

USA

Michigan
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