A beautiful specimen was found in loose quartz crystals and talc. It measured 6 x 13 inches (15 x 32.5 cm) and weighed 67 Troy ounces (1946).
Quality of samples:
not specified / average specimens
Logan, Clarence August (1949), Mines and mineral resources of Tuolumne County, California: California Journal of Mines and Geology: 45(1): 65; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 204; Rocks & Minerals (1988): 63: 49.