Open Access

Table 3

Peak-search report of the palm leaves, before combustion.

2-Theta d (A°) BG Height I% Area I% FWHM Crystal structure with space group Phase
21.636 4.1041 3142 486 100.0 22667 74.2 0.567 Orthorhombic-single crystal, Cc Hillebrandite Ca2(SiO3)(OH)2
22.054 4.0272 3126 311 64.0 30568 100.0 1.195 Rhombohedral-single crystal, R3 Acetamide, C2H5NO (white)
22.376 3.9700 3113 249 51.2 28120 92.0 1.373 Monoclinic-powder diffraction, P21/n Karpatite, C6H2(C4H2)4C2H2 (red-violet)
28.529 3.1262 1755 140 28.8 3586 11.7 0.311 Monoclinic, I2/c Morganite Si O2
40.685 2.2158 1091 114 23.5 2970 9.7 0.317 Monoclinic-powder diffraction, P21/a Howlite, C6H4(CO)2C6H4

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