Specific Gravities

Water 1.00 Platinum 21.45 Gold 19.32 Mercury 13.60 Lead 11.35 Silver 10.51 Copper 8.94 Iron, Wrought 7.79 Iron, Cast 7.20 Tin 7.29 Zinc 7.19

Ebony 1.33 English Oak 0.934 Cork 0.240 Pine 0.657 Carbon Dioxide 0.00176 Oxygen 0.00137 Air 0.00128 Nitrogen 0.00120 Hydrogen 0.000096 Kerosene 0.8 Alcohol 0.792