Esperite, etc (4 color fluorescence) Trimingham Coll.

Item Description

A classic, rich and showy Franklin Mine specimen rich in very rare white esperite with striking 4-color fluorescence from the famous Parker Shaft at the Franklin Mine (Type Locality). Primary fluorescents include: esperite, greenish-yellow; calcite, red; willemite, green; and rare hardystonite, violet-blue (Type Locality). Many black franklinite and red zincite crystals are also present. 6 famous species in one specimen! Ex Bob Trimingham Collection and purchased in 1964. Valued at $300-400.