Properties of Tephrite and Chalk

Tephrite

Chalk

Properties of Chalk and Tephrite

Properties

Physical Properties

Hardness

6.5

Grain Size

Medium to Fine Coarse Grained

Very fine-grained

Fracture

Uneven

Not Available

Streak

Bluish Black

White

Porosity

Very Less Porous

Highly Porous

Luster

Subvitreous to Dull

Dull

Compressive Strength

90.00 N/mm²

Not Available

Cleavage

Crenulation and Pervasive

Non-Existent

Toughness

2.4

Specific Gravity

2.86

2.3-2.4

Transparency

Opaque

Density

2.8-2.9 g/cm³

2.49-2.50 g/cm³

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K

0.90 kJ/Kg K

Resistance

Heat Resistant, Impact Resistant

Heat Resistant

Reserves >>

<< Formation

Tephrite vs Chalk Properties

Properties of Tephrite and Chalk play an important role in determining the type of rock. Along with Tephrite vs Chalk properties, get to know more about Tephrite 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 Tephrite and Chalk.