物质密度
Material DensityIce 0.88 – 0.92
Gneiss 2.65 – 2.75
Basalts 2.7 – 3.1
Gabbros 2.7 – 3.3
Peridotite 3.1 – 3.4
Coal 1.2 – 1.8
Oil 0.6 – 0.9
Sea water 1.01 – 1.05
Iron 7.3 – 7.8
Copper 8.8 – 8.9
Silver 10.1 – 11.1
Gold 15.6 – 19.4
Dolerite 2.5 – 2.7
Granit 2.5 – 2.7
Limestone 2.4 – 2.8
Shales 2.1 – 2.6
Salt 2.1 – 2.4
Sandstone 2.0 – 2.5
Wet sand 1.9 - 2.05
Dry sand 1.4 - 1.65
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