Densities of Metamorphic Rocks

Material	Density Range (g/cm \(\!^3\))
Slate	2.70 - 2.90
Phyllite	2.68 - 2.80
Schist	2.39 - 2.80
Gneiss	2.59 - 3.00
Granulite	2.52 - 2.73
Amphibolite	2.90 - 3.04
Eclogite	3.20 - 3.54