Properties of Gneiss and Slate

Gneiss

Slate

Properties of Slate and Gneiss

Properties

Physical Properties

Hardness

3-4

Grain Size

Medium to Coarse Grained

Very fine-grained

Fracture

Irregular

Splintery

Streak

White

Light to dark brown

Porosity

Very Less Porous

Less Porous

Luster

Dull

Compressive Strength

125.00 N/mm²

30.00 N/mm²

Cleavage

Poor

Slaty

Toughness

1.2

Specific Gravity

2.5-2.7

2.65-2.8

Transparency

Translucent to Opaque

Opaque

Density

2.6-2.9 g/cm³

2.6-2.8 g/cm³

Thermal Properties

Specific Heat Capacity

Not Available

0.76 kJ/Kg K

Resistance

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Reserves >>

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Gneiss vs Slate Properties

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