Pennsylvania Mine, San Antonio Valley, Santa Clara Co., California, USA

Standard Detailed By Chemistry Mineral Photos (2)Search Google

A Mn mine located on the SW side of the San Antonio Valley, 4 miles ENE of Mount Hamilton.

References:
Erd, R.C. and Y. Ohashi (1981) Santaclaraite, a new manganese silicate from California, American Mineralogist:

American Mineralogist (1984): 69: 200-206.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 382-383 (as unnamed abandoned mine), 414.

ref http://www.mineralsocal.org/scfm/index.html

Mineral List:

19 entries listed. 18 valid minerals. 2 type localities (valid minerals).

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