Properties of Slate and Gneiss

Slate

Gneiss

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

3-47

1 7

1.1.2 Grain Size

Very fine-grained

Medium to Coarse Grained

1.1.3 Fracture

Splintery

Irregular

1.1.4 Streak

Light to dark brown

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Dull

1.1.7 Compressive Strength

30.00 N/mm²125.00 N/mm²

0.15 450

1.1.8 Cleavage

Slaty

Poor

1.1.9 Toughness

1.2

1.1.10 Specific Gravity

2.65-2.82.5-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

2.6-2.8 g/cm³2.6-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.76 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

Slate vs Gneiss Properties

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