Strontianite Meckley Quarry, Mandata, Northumberland Co., ...
Description: Strontianite Meckley Quarry, Mandata, Northumberland Co., Pennsylvania, USA 5.0 x 6.3 cm Typical cavity in laminated Tonoloway limestone lined with snow white strontianite, calcite and celestine. This is a classic latter paragenesis from this quarry. Exhibits cream-white fluorescence under SW UV.