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Research & Reviews : Journal of Physics Original Research

Physical and Luminescence Studies of Natural Fluorescent Material (Stone)

  1. Arsheen Naaz Ansari Department of Applied Physics, Jabalpur, Engineering College
  2. Prerit Tandon Department of Applied Physics, Jabalpur, Engineering College
  3. Kamal Kumar Kushwah Department of Applied Physics, Jabalpur, Engineering College

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 presence of fluorite (CaF2). Also, on excitation by red (650nm) strong fluorescence was observed. The stone's translucency and strong luminescence make it suitable for optical crystal analysis.

Keywords

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