Properties of Lignite and Chalk
Grain Size
Medium to Fine Coarse Grained
Very fine-grained
Fracture
Conchoidal
Not Available
Porosity
Highly Porous
Highly Porous
Luster
Dull to Vitreous to Submetallic
Dull
Cleavage
Non-Existent
Non-Existent
Toughness
Not Available
1
Specific Gravity
1.1-1.4
2.3-2.4
Transparency
Opaque
Opaque
Density
800-801 g/cm3
2.49-2.50 g/cm3
Resistance
Heat Resistant
Heat Resistant
Lignite vs Chalk Properties
Properties of Lignite and Chalk play an important role in determining the type of rock. Along with Lignite vs Chalk properties, get to know more about Lignite Definition and Chalk 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 Lignite and Chalk.