Table 1 Main ingredients of natural Marble, Qingshi and Hedishi stones, and the corresponding peak locations in XRD patterns
From: Nano-materials enhanced protectants for natural stone surfaces
Stone | component | Location (2θ) |
|---|---|---|
Marble | CaCO3 | 23.05, 29.40, 35.97, 39.41, 43.16, 47.11, 48.503, 60.67, 65.61, 70.24, 73.73, 77.18, 81.55, 83.77 |
(Ca0.03Mg0.97)CO3 | 23.12, 29.50, 36.06, 39.52, 43.27, 47.25, 47.70, 48.13, 49.06 | |
Cu2FeGeS4 | 29.15, 48.30, 48.65, 57.42 | |
Qingshi | SiO2 | 20.83, 26.59, 36.50, 39.37, 40.23, 42.39, 50.03, 55.17, 59.86, 68.20, 68.32, 73.47, 75.66, 79.88, 80.04, 81.17, 81.49 |
AlPO4 | 20.76, 26.43, 36.37, 39.06, 40.71, 59.61, 67.23, 67.36, 67.80, 72.48, 80.92 | |
C | 26.55, 44.57, 54.54 | |
Hedishi | SiO2 | 20.86, 26.64, 36.54, 39.46, 40.29, 42.45, 45.788, 50.13, 54.87, 59.95, 65.78, 67.74, 68.14, 68.32, 73.47, 75.66, 77.67, 79.88, 80.04, 81.17, 81.49, 83.84, 84.96 |
SiS2 | 20.79, 26.51, 36.50, 39.49, 42.40, 50.08, 54.935, 60.02, 68.32 |