Oligoclase from selected localities.
USA | |
| Van King specimen |
Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 | |
|
USA | |
| Van King specimen |
Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 | |
|