Mineral Autunite from Dartmoor, in visible light, and fluoprescing in UV light.
Mineral Autunite from Dartmoor,  in visible light, and fluoprescing in UV light.

mineral, autunite, UV, fluorescence

Mineral Autunite from Dartmoor,  in visible light, and fluoprescing in UV light.

mineral, autunite, UV, fluorescence