Microcline from Mountain Pass Mine, Mountain Pass, Mountain Pass District, Clark Mts (Clark Mountain Range), San Bernardino County, California, USA
USA | |
| USGS Bulletin 2160 |
Färber, Gunnar (n.d.) Personal Communication, Gunnar Färber Mineralien. |
USA | |
| USGS Bulletin 2160 |
Färber, Gunnar (n.d.) Personal Communication, Gunnar Färber Mineralien. |