7hlkmis ((ANDULARIA, BYSSOLITE)), $10 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, 3 x 2 x 1.5 cm, Miniature | |
Old material no longer available with the Quarry filled with water. Classic Pennsylvania specimens. Here is a specimen with twinned Andularia crystals bathed in Byssolite. |