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Dwarves' Earth Treasures Online Museum:
Mass Mine Datolites
Mass City, Ontonagon Co., Michigan
Field-collecting Status:  Private Property, No trespassing!

.    Mass Mine is one of several datolite producing mines to the south of Mass City with a good variety of colors
and shares the same Pewabic Lobe with Caledonia Mine and Quincy Mines. Owned by Red Metal Retreat.


You can click on the pictures to see larger pictures.

datolite

datolite

datolite

datolite

datolite

datolite

datolite

Labeled as coming from Mass Mine
but could be Flintsteel/Nassau mine