Properties of Chalk and Tephrite

Chalk

Tephrite

Properties of Tephrite and Chalk

Properties

Physical Properties

Hardness

6.5

Grain Size

Very fine-grained

Medium to Fine Coarse Grained

Fracture

Not Available

Uneven

Streak

White

Bluish Black

Porosity

Highly Porous

Very Less Porous

Luster

Dull

Subvitreous to Dull

Compressive Strength

Not Available

90.00 N/mm²

Cleavage

Non-Existent

Crenulation and Pervasive

Toughness

2.4

Specific Gravity

2.3-2.4

2.86

Transparency

Opaque

Density

2.49-2.50 g/cm³

2.8-2.9 g/cm³

Thermal Properties

Specific Heat Capacity

0.90 kJ/Kg K

0.92 kJ/Kg K

Resistance

Heat Resistant

Heat Resistant, Impact Resistant

Reserves >>

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Chalk vs Tephrite Properties

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