6hlkmis ((ACTINOLITE and PREHNITE with BYSSOLITE)), $10 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, 9 x 6 x 3.5 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 combination of dark green Actinolite crystals and white jackstraw Prehnite crystals covered by a thin mat of hair like Byssolite. ex Rick Hafer collection. |