Plumbaginous or graphitic anthracite from the mica schists, Worcester, U.S.A.
- Made:
- before 1889
Plumbaginous or graphitic anthracite from the mica schists of Worcester, 45 miles west of Boston, U.S.A.
Details
- Category:
- Metallurgy
- Object Number:
- 1889-164/396
- type:
- specimen
- credit:
- John Percy Collection