Properties of Slate and Gneiss

Slate

Gneiss

Properties of Gneiss and Slate

Properties

Physical Properties

Hardness

3-4

Grain Size

Very fine-grained

Medium to Coarse Grained

Fracture

Splintery

Irregular

Streak

Light to dark brown

White

Porosity

Less Porous

Very Less Porous

Luster

Dull

Compressive Strength

30.00 N/mm²

125.00 N/mm²

Cleavage

Slaty

Poor

Toughness

1.2

Specific Gravity

2.65-2.8

2.5-2.7

Transparency

Opaque

Translucent to Opaque

Density

2.6-2.8 g/cm³

2.6-2.9 g/cm³

Thermal Properties

Specific Heat Capacity

0.76 kJ/Kg K

Not Available

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

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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.