someHerrings:
Utah Sphalerite, Calcite - WL
someHerrings:
Utah Sphalerite, Calcite - UVa
someHerrings:
Utah Sphalerite, Calcite - UVb
someHerrings:
Utah Sphalerite, Calcite - UVc
someHerrings:
Utah Sphalerite, Calcite - UVabc
someHerrings:
Utah Sphalerite, Calcite - PHOS
someHerrings:
Utah Sphalerite, Calcite - PHOS (photostimulated phosphorescence darkening)