Properties of Obsidian and Shale
Grain Size
Not Applicable
Very fine-grained
Fracture
Conchoidal
Not Available
Porosity
Very Less Porous
Highly Porous
Cleavage
Non-Existent
Slaty
Toughness
Not Available
2.6
Specific Gravity
2.6-2.7
2.2-2.8
Transparency
Translucent
Opaque
Density
2.6 g/cm3
2.4-2.8 g/cm3
Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Impact Resistant
Obsidian vs Shale Properties
Properties of Obsidian and Shale play an important role in determining the type of rock. Along with Obsidian vs Shale properties, get to know more about Obsidian Definition and Shale Definition. For the ease of understanding, the properties of rocks are divided into physical and thermal properties. Rocks have a variety of properties like hardness, color, specific gravity, fracture, cleavage, luster etc. Know all about physical and thermal properties of Obsidian and Shale.