Chromite, the Major ore at Wood's Mine. By 1874 report, Chromite production in PA was already waining, however the production to date at Wood's Mine of 120,000 tons, exceeded 20 times the production of all other PA chomite mining localities combined.
massive, fine grained. frequent admixture with Serpentine
Quality of samples:
not specified / average specimens
Rarity at site:
Dana 6: 1069. ref2) 2nd Geological Survey of Pennsylvania, Preliminary report 1874; F. A. Genth, Pgs. 39-43