Rocks and Minerals
Images related to the Geology on our planet; including Rocks, Minerals, Crystals, Fossils, etc.
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Calcite Fluorescence
A rhomboid crystal of calcite illuminated by 'white' light (top) and by 254nm UV light (bottom).
CalciteFluorescence254nm UVCCaCO3GeologicalRock SamplesScienceStudioUV