20hhgd.is ((ADULARIA, BYSSOLITE)), $25 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Chester County, Pennsylvania, 9 x 6 x 4 cm, Cabinet | |
Hairlike Byssolite on excellent groups of parallel and twinned white Adularia crystals from a classic alpine like formation in Pennsylvania which is not a water filled quarry. ex Glen Davidson collection, ex Lehigh Minerals specimen, ex Rick Haefer collection. |