Calcite on siderite from Peyrebrune, Tarn. Fluorescent.

145,00€

Attractive piece featuring two intact, mottled calcite crystals, one of which (35 mm) is set on siderite. Calcite reacts to UV light and fluoresces.

A classic from the Carceller quarry in Peyrebrune (Tarn), located 1 km from the better-known Rivet quarry.

Video of this specimen of UV-reactive calcite crystals: