Frontier Dolomite Quarry, Lockport, Niagra Co., New York
Round small aggregates of glassy yellow colored Sphalerite crystals are perched on a bed of very small druze Sphalerite. The larger Sphalerite aggregates are 3 to 4 mm across. This quarry is noted for producing this attractive and unusual yellow colored Sphalerite. The specimen is in excellent condition with no appreciable damage.