Properties of Chert and Tephrite

Chert

Tephrite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.5-76.5

1 7

1.1.2 Grain Size

Very fine-grained

Medium to Fine Coarse Grained

1.1.3 Fracture

Uneven, Splintery or Conchoidal

Uneven

1.1.4 Streak

White

Bluish Black

1.1.5 Porosity

Highly Porous

Very Less Porous

1.1.6 Luster

Waxy and Dull

Subvitreous to Dull

1.1.7 Compressive Strength

450.00 N/mm²90.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Crenulation and Pervasive

1.1.9 Toughness

1.5

2.4

1.1.10 Specific Gravity

2.5-2.82.86

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.7 g/cm³2.8-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.74 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

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.