Analisis Sistem Kristal dan Unsur serta Topografi Permukaan Batu Api dengan Metode XRD dan SEM-EDS

Perdinan Sinuhaji, Kerista Sebayang, Syahrul Humaidi, Susilawati Susilawati, Aditia Warman

Abstract


Analisis Sistem Kristal dan Unsur serta Topografi Permukaan Batu Api dengan Metode XRD dan SEM-EDS
Perdinan Sinuhaji, Kerista Sebayang, Syahrul Humaidi, Susilawati, dan Aditia Warman
FMIPA Universitas Sumatera Utara, Medan, Sumatera Utara, Indonesia
Abstract: A research on the analysis of the crystal system and elements as well as the surface morphology of flint with methods of XRD and SEM-EDS. Flint has a hexagonal crystal system with lattice parameters, a = 4.8850 Ã…, b = 4.8850 Ã… and c = 5.3713 Ã… and ï¡ = ï¢ = 90o, 120o with ï§ = density ï² = 3. 957 gr/cm3. Flint from Ende-Flores NTT has elements: oxygen (O) 47.56 Mass%, magnesium (Mg) 6:42 Mass%, aluminium (Al) 5:50 Mass%, silica (Si) 30.63 Mass%, and fe-rum (Fe) 9.90 Mass% with square microstructural irregular, uniform solids.
Keywords: flint, elemental composition, microstructure and crystal system
Email: perdinansinuhaji@gmail.com


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DOI: https://doi.org/10.56064/jps.v19i2.474

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