6hlkmis ((BYSSOLITE, CLINOZOISITE)), $10 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, 7 x 5 x 3.5 cm, Cabinet | |
Here is an old specimen from a classic Pennsylvania location, now a quarry filled with water. The dark crystals are Byssolite. I believe the larger light brown crystals are Clinozoisite. ex Rick Haver collection |