Properties of Chert and Gneiss

Chert

Gneiss

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.5-77

1 7

1.1.2 Grain Size

Very fine-grained

Medium to Coarse Grained

1.1.3 Fracture

Uneven, Splintery or Conchoidal

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

Very Less Porous

1.1.6 Luster

Waxy and Dull

Dull

1.1.7 Compressive Strength

450.00 N/mm²125.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Poor

1.1.9 Toughness

1.5

1.2

1.1.10 Specific Gravity

2.5-2.82.5-2.7

0 8.4

1.1.11 Transparency

Translucent to Opaque

1.1.12 Density

2.7 g/cm³2.6-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.74 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Chert vs Gneiss Properties

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