Perlite, pitchstone and obsidian are distributed in some regions of China. The following table lists the perlite deposits and other ore deposits that have been discovered and explored so far, and analyzes in detail the chemical composition (ω/%) of different ores in these regions, with perlite chemical composition as the main focus.
perlite
Obsidian
PitchstoneZhenghe, Fujian72.3312.420.670.151.004.404.02
Jinyun, Zhejiang71.7611.680.680.361.000.483.873.600.19
Huai'an, Jiangsu71.6511.660.660.351.000.463.833.500.13
Xuancheng, Anhui71.1312.600.071.260.180.600.404.211.90
Echeng, Hubei70.1313.950.790.571.350.403.204.363.65
Laiyang, Shandong71.9412.631.550.190.550.361.964.12
Xinyang, Henan72.9312.900.050.760.160.530.185.302.570.064.97
Luoshan, Henan71.2012.530.721.100.720.395.043.364.78
Zhangjiakou, Hebei70.6812.67<0.30.882.263.083.775.50
Pingquan, Hebei71.2811.900.050.750.070.490.334.752.757.51
Lingyuan, Liaoning72.7312.390.690.330.880.384.184.15
Mohe, Heilongjiang72.1612.110.050.760.180.670.324.303.570.084.67
Chifeng, Inner Mongolia72.2312.360.040.760.160.580.225.203.170.064.37
Chaoyang, Liaoning71.6011.900.050.820.270.730.334.602.650.075.32
Xinjiang71.5211.200.030.880.240.820.274.802.920.085.22
Jiangsu Xihe70.6613.200.040.920.190.570.345.202.600.095.43
Jieyang, Guangdong71.0211.650.030.780.320.630.165.703.230.055.16
Zhejiang Day Station70.5212.151.970.121.201.97
Zhejiang Bankeng71.9111.500.133.760.191.002.161.92
Hebei Plain71.2811.900.050.750.070.490.384.752.757.51
Leshan, Sichuan71.5611.430.090.880.241.450.222.471.860.09
Zunyi, Guizhou71.2411.020.070.690.180.720.363.341.850.13
Songyuan, Jilin72.2212.320.080.930.091.320.334.023.150.12
Shanxi71.3612.240.060.730.122.260.254.332.860.08
Ningcheng, Inner Mongolia72.9812.860.920.750.083.120.354.323.260.18
