Properties of Gneiss and Argillite

Gneiss

Argillite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

72-3

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Fine Grained

1.1.3 Fracture

Irregular

Conchoidal to Uneven

1.1.4 Streak

White

White to Grey

1.1.5 Porosity

Very Less Porous

Highly Porous

1.1.6 Luster

Dull

Waxy and Dull

1.1.7 Compressive Strength

125.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Poor

Slaty

1.1.9 Toughness

1.2

2.6

1.1.10 Specific Gravity

2.5-2.72.56-2.68

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.6-2.9 g/cm³2.54-2.66 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.87 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Gneiss vs Argillite Properties

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