6hlkmis ((PREHNITE, BYSSOLITE, ACTINOLITE)), $15 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, 11 x 9 x 4.5 cm, Cabinet | |
Here is a classic Pennsylvania locality with an Alpine rock formation. It's a quarry that has been filled with water for many, many years. This is old material from an old Pennsylvania collection. The specimen has a base of the host rock covered with dark green Actinolit covered with a thick layer of Prehnite covered with white jack straw Prehnite crystals. On this is the top covering of hair like Byssolite. ex Rick Hafer collection. |