|
USA | |
| Tony Charlton |
| Mineralogical Record (2000): 31(4): 345. |
| www.gia.edu (2022) https://www.gia.edu/gems-gemology/fall-2017-microworld-silvery-rutile-inclusions-quartz |
- Placerville Mining District
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 72, 114. Kunz, George Frederick (1901), Octahedrite (anatase) from Placerville, El Dorado County: Mineralogical Magazine: 9: 394 Kunz, George Frederick (1893), Mineralogical notes on brookite, octahedrite, and quartz: California Mining Bureau. Report 11: 207-209 Kunz, George Frederick (1892), Mineralogical notes on brookite, octahedrite, quartz, and ruby: American Journal of Science, 3rd. series: 43: 329-330 Kunz, George Frederick (1892), Octahedrite (anatase) near Placerville, El Dorado County: Mineralogical Magazine: 9: 395 |
Unnamed Quartz-Ti occurrence [1], Big X Mountain, Claussenius, El Dorado County, California, USA