Properties of Chalk and Picrite
Grain Size
Very fine-grained
Fine Grained
Fracture
Not Available
Uneven
Streak
White
White, Greenish White or Grey
Porosity
Highly Porous
Less Porous
Luster
Dull
Subvitreous to Dull
Compressive Strength
Not Available
Cleavage
Non-Existent
Imperfect
Specific Gravity
2.3-2.4
2.75-2.92
Transparency
Opaque
Opaque
Density
2.49-2.50 g/cm3
1.5-2.5 g/cm3
Resistance
Heat Resistant
Heat Resistant
Chalk vs Picrite Properties
Properties of Chalk and Picrite play an important role in determining the type of rock. Along with Chalk vs Picrite properties, get to know more about Chalk Definition and Picrite 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 Picrite.