Properties of Obsidian and Hornfels
Grain Size
Not Applicable
Fine Grained
Fracture
Conchoidal
Conchoidal
Porosity
Very Less Porous
Highly Porous
Cleavage
Non-Existent
Perfect
Toughness
Not Available
Not Yet Found
Specific Gravity
2.6-2.7
3.4-3.9
Transparency
Translucent
Opaque
Density
2.6 g/cm3
0.25-0.30 g/cm3
Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Impact Resistant, Pressure Resistant
Obsidian vs Hornfels Properties
Properties of Obsidian and Hornfels play an important role in determining the type of rock. Along with Obsidian vs Hornfels properties, get to know more about Obsidian Definition and Hornfels 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 Hornfels.