9hlkm.is ((BYSSOLITE, QUARTZ)), $20 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Chester County, Pennsylvania, 8 x 6 x 3.5 cm, Cabinet | |
Asicular hairlike crystals of Byssolite from a classic Pennsylvania alpine like formation which is now a water filled quarry. ex Rick Haefer collection. |