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Laser-induced fluorescence spectrum of Mahadevpur (near Namsai) meteorite of type H4=5 ordinary chondrite was excited with the help of a 25-mW green diode-pumped solid-state laser (532 nm), and a diffuse spectrum was photographed on a glass spectrograph in the wavelength range of 5400-6500 Å . The band system is attributed to silicate (olivine), a major component of the meteorite. A comparison of the emission system with that of Dergaon meteorite of type H5 ordinary chondrite was made.

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