SC1320 – Pabstite from the Kalkar Quarry, California

Feb 1, 2026 | Mineral Collection, Pabstite

Perhaps not the most impressive fluorescent rock, but quite interesting: tiny grains of pabstite on matrix, fluorescent bright blue under shortwave UV light. What makes this piece interesting is its size and richness in pabstite, which is usually found just as grains on thumbnail-size specimens.
Locality: Kalkar Quarry, Santa Cruz, Santa Cruz Co., California, USA (Mindat)
MinID: EP2-7V8
Size: 10 x 7 x 4 cm
Weight: 383 g
Fluorescence under shortwave UV light.
Normal light.