The density, or more precisely, the volumetric mass density of opal is 2050 kg/m³. This means that the mass of 1 m³ opal is 2050 kg.
The weight (on earth) of 1 m³ opal is 20110,5 N or 20,1105 kN.
What is the density of opal in other common units?
Conversion Chart Metric System:
| Kilogram per cubic meter | 2050 | kg/m³ |
| Tonne per cubic meter | 2,05 | t/m³ |
| Gram per cubic meter | 2050000 | g/m³ |
| Milligram per cubic meter | 2050000000 | mg/m³ |
| Kilogram per cubic centimeter | 0,00205 | kg/cm³ |
| Gram per cubic centimeter | 2,05 | g/cm³ |
| Milligram per cubic centimeter | 2050 | mg/cm³ |
| Kilogram per litre | 2,05 | kg/L |
| Gram per litre | 2050 | g/L |
| Milligram per litre | 2050000 | mg/L |
| Kilogram per millilitre | 0,00205 | kg/mL |
| Gram per millilitre | 2,05 | g/mL |
| Milligram per millilitre | 2050 | mg/mL |
Conversion Chart British and U.S.:
| Pound per cubic yard | 3456,3 | lb/yd³ |
| Pound per cubic foot | 127,9815 | lb/ft³ |
| Pound per cubic inch | 0,0740665 | lb/in³ |
| Pound per U.S. gallon | 17,10725 | lb/gal |
| Pound per British gallon | 20,541 | |
| Pound per U.S. bushel | 159,2645 | |
| Ounce per cubic yard | 55288,5 | oz/yd³ |
| Ounce per cubic foot | 2047,54 | oz/ft³ |
| Ounce per cubic inch | 1,1849 | oz/in³ |
| Ounce per U.S. gallon | 273,675 | oz/gal |
| Ounce per British gallon | 328,82 | |
| Ounce per U.S. bushel | 2548,15 |
British Gravitational and English Engineering Units:
| Slug per cubic yard | 107,3995 | slug/yd³ |
| Slug per cubic foot | 3,977 | slug/ft³ |
| Slug per cubic inch | 0,00230215 | slug/in³ |