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Published Subscription Original Research
Physical and Luminescence Studies of Natural Fluorescent Material (Stone)By Arsheen Naaz Ansari, Prerit Tandon, Kamal Kumar Kushwah
Abstract: This study investigates the physical properties (volume and density) and optical behavior of a natural fluorescent stone under ultra-violet (UV) and green/red laser light. The stone exhibits fluorescence, emitting a blue-white glow when exposed to 365 nm UV light, suggesting the presence of minerals like fluorite (CaF2), scheelite (CaWO4), and calcite (CaCO3). Under 532 nm green laser excitation, the stone displays internal scattering and a green glow, further supporting the …
Published in Research & Reviews : Journal of Physics · Vol. 15, Issue 2, 2026 · pp. 38–47 Read article →