Properties of Anthracite and Greywacke

Anthracite

Greywacke

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1-1.56-7

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Angular and Fine

1.1.3 Fracture

Conchoidal

1.1.4 Streak

Black

White

1.1.5 Porosity

Less Porous

Highly Porous

1.1.6 Luster

Shiny

Dull

1.1.7 Compressive Strength

NANA

0.15 450

1.1.8 Cleavage

Non-Existent

Perfect

1.1.9 Toughness

Not Available

2.6

1.1.10 Specific Gravity

1.1-1.42.2-2.8

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

1.25-2.5 g/cm³2.6-2.61 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, Impact Resistant, Pressure Resistant

Anthracite vs Greywacke Properties

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