Properties of Chalk and Greywacke

Chalk

Greywacke

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

16-7

1 7

1.1.2 Grain Size

Very fine-grained

Angular and Fine

1.1.3 Fracture

Not Available

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

1.1.6 Luster

Dull

1.1.7 Compressive Strength

NANA

0.15 450

1.1.8 Cleavage

Non-Existent

Perfect

1.1.9 Toughness

2.6

1.1.10 Specific Gravity

2.3-2.42.2-2.8

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.49-2.50 g/cm³2.6-2.61 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.90 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Chalk vs Greywacke Properties

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