Quartz from Acton, Acton Mining District, Los Angeles County, California, USA
USA | |
| [var. Chalcedony] Oakeshott, Gordon Blaisdell (1958) Geology and mineral deposits of San Fernando quadrangle, Los Angeles County, California. California Division of Mines Bulletin 172, 147 pp. |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
USGS MRDS database (2005). |
Hi-Grade Mine, Antelope Valley, Acton, Acton Mining District, Los Angeles County, California, USA