| References: | Rocks & Minerals (1943): 18: 80; MacKevett, Edward Malcolm, Jr. (1951), Geology of Jurupa Mountains, San Bernardino and Riverside Counties, California: California Division Mines, Special Report 5, 14 pp.; Cooney, R.L. (1956), The mineralogy of the Jensen and Henshaw quarries near Riverside, California: Unpublished Master’s thesis, University of California at Los Angeles: 41, 46; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 145; Devito, F. and Ordway, A. (1984), The Jensen Quarry, Riverside County, California. Mineralogical Record: 15(5): 273-290; Devito, F. and Ordway, A. (1984). The Jensen Quarry, Riverside County, California. Mineralogical Record: 15(5): 273-290. |