Opal from White Knob Quarry, Lucerne Valley, Lucerne Valley Limestone District, San Bernardino County, California, USA
USA | |
| [Opal-AN var. Hyalite] Howard H. J. (2011) Geology and fluorescent minerals in the White Knob Quarry Lucerne Valley, California. in Lasemi, Z., & Mikulic, D. G. (2011). The 47th Forum on the Geology of Industrial Minerals. p10 |