| 8hlkmis ((BYSSOLITE on QUARTZ)), $5 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Chester County, Pennsylvania, 8 x 5 x 3 cm, Cabinet | |
_small.jpg) | Old material from an old Pennsylvania collection from a now flooded quarry and Pennsylvania classic locality. Minerals are from an Alpine cleft type hydrothermal recrystalllization per mindat.org. Matrix trap rock is Precambian igneous Amphibolite Gneiss. Here is a matrix of massive Quartz with tuffs of hairlike Byssolite. ex Rick Haefer collection. |
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