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USA | |
- Santa Lucia Mts (Santa Lucia Range)
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Los Burros Mining District
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Hart, E.W. (1966) Mines and mineral resources of Monterey County, California. California Division Mines and Geology County Report 5, 142 pp.: 122 |
| Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559. Bradley, W.W. & C.A. Logan (1919), San Benito County: California Mining Bureau. Report 15: 633 |
- Pinnacles National Monument
| Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559. Laizure, Clyde McK (1926), Marin, San Benito, Santa Cruz, and Sonoma Counties: California Mining Bureau. Report 22: 233 |
| Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559. Huguenin, Emile & W.O. Castello (1921), Alameda, Contra Costa, San Francisco, San Mateo, Santa Clara, Santa Cruz Counties: California Mining Bureau. Report 17: 184 Hanks, Henry Garber (1885), Fifth report of the State Mineralogist: California Mining Bureau Report 5, 235 pp.: 97 |
| Dunning, G. E., Walstrom, R. E., & Lechner, W. (2018) Barium Silicate Mineralogy of the Western Margin, North American Continent, Part Geology, Origin, Paragenesis and Mineral Distribution from Baja California Norte, Mexico, Western Canada and Alaska, USA. Baymin Journal, Vol. 19, No. 5 Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Gross, E.B., Chesterman, C.W., Dunning, G.E., and Cooper, J.F. (1967) Mineralogy of the Kalkar quarry, Santa Cruz, California. California Division Mines and Geol. Special Report 92: 8 Van Nostrand Reinholt Press: 91, 138. |