07hlkm.ns ((BYSSOLITE)), $30 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, 7 x 6 x 4.5 cm, Cabinet | |
A large mat of hairlike acicular crystals of Byssolite from Cornog. Classic Pennsylvania locality not available for any further collecting. Quarry is filled will water |