Ankerite from Sierra County, California, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Ferguson, Henry G. & R.W. Gannett (1932), Gold quartz veins of the Alleghany district, California: USGS PP 172: 113 | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |