Properties of Anthracite and Gneiss

Anthracite

Gneiss

Properties of Gneiss and Anthracite

Properties

Physical Properties

Hardness

1-1.5

Grain Size

Medium to Fine Coarse Grained

Medium to Coarse Grained

Fracture

Conchoidal

Irregular

Streak

Black

White

Porosity

Less Porous

Very Less Porous

Luster

Shiny

Dull

Compressive Strength

Not Available

125.00 N/mm²

Cleavage

Non-Existent

Poor

Toughness

Not Available

1.2

Specific Gravity

1.1-1.4

2.5-2.7

Transparency

Opaque

Translucent to Opaque

Density

1.25-2.5 g/cm³

2.6-2.9 g/cm³

Thermal Properties

Specific Heat Capacity

1.32 kJ/Kg K

Not Available

Resistance

Heat Resistant, Water Resistant

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

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Anthracite vs Gneiss Properties

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