6hlkmis ((BYSSOLITE)), $10 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, 8 x 3.5 x 2 cm, Cabinet | |
Here is an old specimen from a classic Pennsylvania location, now a quarry filled with water. This is a light weight brillo pad like cluster of Byssolite. The Byssolite is coated with iron oxide causing a rusty brown color, ex Rick Haver collection |