| Location: | Hampshire County, Massachusetts, United States, North America |
| Lat / long: | 42.49526, -72.9473 |
| dep_id: | 10067329 |
| mrds_id: | W000039 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Manganese |
| Minor mineral: | Iron |
| Trace mineral: | Gemstone |
| Operation type: | Unknown |
| Deposit type: | Replacement |
| Production size: | Production occurred |
| Development status: | Producer |
| ore: | Ankerite, Cummingtonite, Pyrolusite, Rhodochrosite, Rhodonite |
| orebody_fm: | LENSES |
| work_type: | Surface |
| alteration: | Regional Metamorphism |
| conc_proc: | Local Hydrothermal |
| ore_ctrl: | Contact Of Talcose And Mica Slates |
| Reporter: | *gostino, John P. |
| Structure: | East Limb Of Berkshire Anticlinorium ; Reg.Trends: North To Northeast, Drag Folds |
| tectonic: | East To Southeast Dipping Homocline |
| Year first produced: | 1925 |
| disc_yr: | 1830 |
| References: |
- Deposit:: HATCH, N.L., 1969, USGS GQ 85
- Deposit:: 1952 OTHER CRITTENDEN, M., USGS, RECON AND COMPIL
- Production:: QUINN, A.W., 1945
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