Strontianite with Calcite, Faylor-Middle Creek Quarry, Winfield, Union County, Pennsylvania, USA
An old-time strontianite from this now closed classic locality, presenting white radial groups of frost-like strontianite crystals with striking, water-clear gemmy scalenohedral calcite crystals on gray dolomite. Fluorescent bright white under UV illumination with a pastel lime-green phosphorescence.
