Properties of Anthracite and Gneiss

Anthracite

Gneiss

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1-1.57

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Medium to Coarse Grained

1.1.3 Fracture

Conchoidal

Irregular

1.1.4 Streak

Black

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Shiny

Dull

1.1.7 Compressive Strength

NA125.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Poor

1.1.9 Toughness

Not Available

1.2

1.1.10 Specific Gravity

1.1-1.42.5-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

1.25-2.5 g/cm³2.6-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

1.32 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Water Resistant

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

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.