5hlkmns ((ADULARIA, BYSSOLITE)), $25 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Chester County, Pennsylvania, 10 x 6 x 4 cm, Cabinet | |
Here is a great specimen of twinned white Adularia crytals covered by silky grey green Byssolite. Old classic Pennsylvania specimen from a now water filled Quarry |