7hlkmis ((BYSSOLITE, GOETHITE pseudo after PYRITE)), $1 MINIMUM BID, Keystone Traprock Quarry, Cornog, Chester County, Pennsylvania, 5 x 3 x 2 cm, Miniature, | |
Tufts of Byssolite with crystals of white jackstraw Prehnite from this classic Alpine formation in Pennsylvania. |