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USA | |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 195, 286. Bolander, L. Ph., Jr. (1950), New California mineral: perovskite: The Mineralogist: 18: 65 |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Van Nostrand Reinholt Press: 146. |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Pabst, Adolf (1951), Minerals of the serpentine area in San Benito County, California Rocks & Minerals: 26: 483 Van Nostrand Reinholt Press: 146, 476. |
- Black Wonder Mining District
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Himmelberg, G.R. and Coleman, R.G. (1968) Chemistry of primary minerals and rocks from the Red Mountain-Del Puerto ultramafic mass, California. USGS Prof. Paper 600-C: 20-24 Van Nostrand Reinholt Press: 148. |
San Benito County, California, USA