Properties of Chalk and Dacite

Chalk

Dacite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

12-2.25

1 7

1.1.2 Grain Size

Very fine-grained

Medium to Fine Coarse Grained

1.1.3 Fracture

Not Available

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Dull

Subvitreous to Dull

1.1.7 Compressive Strength

NANA

0.15 450

1.1.8 Cleavage

Non-Existent

Perfect

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.3-2.42.86-2.87

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.49-2.50 g/cm³2.77-2.771 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.90 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Chalk vs Dacite Properties

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