Properties of Chalk and Obsidian
Grain Size
Very fine-grained
Not Applicable
Fracture
Not Available
Conchoidal
Porosity
Highly Porous
Very Less Porous
Compressive Strength
Not Available
Cleavage
Non-Existent
Non-Existent
Toughness
1
Not Available
Specific Gravity
2.3-2.4
2.6-2.7
Transparency
Opaque
Translucent
Density
2.49-2.50 g/cm3
2.6 g/cm3
Resistance
Heat Resistant
Heat Resistant, Impact Resistant
Chalk vs Obsidian Properties
Properties of Chalk and Obsidian play an important role in determining the type of rock. Along with Chalk vs Obsidian properties, get to know more about Chalk Definition and Obsidian 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 Chalk and Obsidian.