Where to Find Muscovite in Maine
Maine has 5 mapped collecting spots that report muscovite, spread across 3 counties. The largest share sits in Oxford County with 3 spots. 5 of the spots are on land mapped as publicly accessible.
Spot list checked against source data on April 1, 2026.
Every muscovite spot we track in Maine
Best spotEdgecomb Quarry (Schmid Preserve)Lincoln County, MainePublic access · Almandine Garnet, Beryl, Aquamarine +3
Best spotDeer Hill (White Mountain National Forest)Oxford County, MainePublic access · Amethyst, Beryl, Feldspar +2
Pitts Garnet MineAndroscoggin County, MainePublic access · Actinolite, Calcite, Diopside +9
Deer Hill MineralOxford County, MainePublic access · Amethyst, Quartz, Feldspar +5
Singepole Mountain QuarryOxford County, MainePublic access · Almandine Garnet, Beryl, Biotite +5
Standout muscovite spots in Maine
Hand-picked from the full list above, with the reason each one earns a trip.
Edgecomb Quarry (Schmid Preserve)
Lincoln County
The Edgecomb pegmatite pits sit inside the 766-acre Schmid Preserve, town land laced with more than seven miles of public trails, where 1880s feldspar and mica workings exposed almandine garnet, beryl, and aquamarine.
Deer Hill (White Mountain National Forest)
Oxford County
Deer Hill is a US Forest Service designated mineral collecting area in the White Mountain National Forest, known for amethyst recovered by screening the sandy soil.
Best counties for muscovite in Maine
Ranked by the number of mapped muscovite spots. County links open the full rockhounding page for that county.
Before you go
Read the muscovite identification guide so you know what a keeper looks like in the field: Muscovite in the encyclopedia.
