Ref) Mineralogy of Pennsylvania-1922; Samuel S. Gordon, pg. 181
Spar Quarries 1 1/2 miles WNW , 1 1/2 miles NW ans 1 3/4 miles NW of Sylmar, south of Black Run. Desilicated granitic pegmatites in Meta-peridotite
Mineral List
13 entries listed. 9 valid minerals.
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