14hlkm.is ((BYSSOLITE, minor ADULARIA)), $10 MINIMUM BID, Keystone Trap Rock Quarry, Chester County, Pennsylvania, 8 x 5 x 4.5 cm, Cabinet | |
A mat of hairlike Byssolite with minor white Adularia crystals on a igneous matrix rock. Classic old Pennsylvania locality which is now a water filled quarry hole. ex Rick Hafer collection |