Muscovite from Colosseum Mine (Colosseum Gorge prospect; Ivanpah Consolidated Mine; Glitter Gorge; Cal group), Clark Mountain, Clark Mountain District (Clark District), Clark Mts (Clark Mountain Range), San Bernardino County, California, USA
USA | |
| [var. Sericite] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |