8hlkm.is ((BYSSOLITE on PREHNITE on CALCITE)), $15 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Chester County, Pennsylvania, 6 x 5 x 3.5 cm, Miniature | |
a carpet of Byssolite hairlike crystals covering white Prehnite. Part of the matrix is Calcite with Byssolite inclusions |