8hlkmr ((BYSSOLITE)), $5 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Chester County, Pennsylvania, 3 x 1.5 x 1 cm, Thumbnail | |
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 Thumbnail sized specimen of hairlike Byssolite. ex Rick Haefer collection. |