Specif Gravity Of Coal Wilkie Creek
Specif Gravity Of Coal Wilkie Creek; Rock Types and Specific Gravity Average Specific Gravity of Various Rock Types: Material Specific Gravity Tons / Cubic Yard Andesite 2.5 2.8 2.11 2.36 Basalt/Traprock 2.8 3.0 2.36 2.53 Coal Anthracite 1.3 1.08 Average Specific Gravity of Various Rock Types: Material Specific Gravity Tons / Cubic Yard Andesite 2.5 2.8 2.11 2.36 Basalt/Traprock 2.8