An occurrence located on the road to Copperopolis, 5 miles E of Milton.
References:
Rogers, Austin Flint (1912), Notes on rare minerals from California: Columbia University, School of Mines Quarterly: 33: 376.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 184.
Mineral List:1 entry listed.
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