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Massachusetts

Betts Manganese Mine, Plainfield

Mineral locality Documented siteGray area

What you could find

Reported finds from this ground.

Crystals and mineralsCrystals and minerals

Also reported: Rhodonite, and manganese silicates.

Photos via Wikimedia Commons: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).

Why this spot

Metamorphic manganese deposit

Rhodonite is the Massachusetts state gem.

Keep exploring nearby

More spots in this area.

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