8hlkmr ((BYSSOLITE on ADULARIA)), $5 MINIMUM BID, Keystone Traprock Quarry, Cornog, Chester County, Pennsylvania, 2.5 x 2 x 2 cm, thumbnail | |
Here is a small specimen with hairlike Byssolite with the tips of Adularia crystals protruding from the covering of Byssolite hairlike crystals. Quarry is flooded. Old material. |