Properties of Chert and Tephrite

Chert

Tephrite

Properties of Tephrite and Chert

Properties

Physical Properties

Hardness

6.5-7

6.5

Grain Size

Very fine-grained

Medium to Fine Coarse Grained

Fracture

Uneven, Splintery or Conchoidal

Uneven

Streak

White

Bluish Black

Porosity

Highly Porous

Very Less Porous

Luster

Waxy and Dull

Subvitreous to Dull

Compressive Strength

450.00 N/mm²

90.00 N/mm²

Cleavage

Non-Existent

Crenulation and Pervasive

Toughness

1.5

2.4

Specific Gravity

2.5-2.8

2.86

Transparency

Translucent to Opaque

Opaque

Density

2.7 g/cm³

2.8-2.9 g/cm³

Thermal Properties

Specific Heat Capacity

0.74 kJ/Kg K

0.92 kJ/Kg K

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Reserves >>

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Chert vs Tephrite Properties

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