Impregnated breccia, contains 20 per cent. lead and 36.45 oz. silver per ton. From the Emma Mine, Utah, Communicated by G. Attwood
Details
- Category:
- Metallurgy
- Object Number:
- 1889-164/1430
- type:
- specimen
- credit:
- John Percy Collection
Impregnated breccia, contains 20 per cent. lead and 36.45 oz. silver per ton. From the Emma Mine, Utah, Communicated by G. Attwood