Properties of Basalt and Dacite

Basalt

Dacite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

62-2.25

1 7

1.1.2 Grain Size

Fine Grained

Medium to Fine Coarse Grained

1.1.3 Fracture

Conchoidal

1.1.4 Streak

White to Grey

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Not Available

Subvitreous to Dull

1.1.7 Compressive Strength

37.40 N/mm²NA

0.15 450

1.1.8 Cleavage

Not Available

Perfect

1.1.9 Toughness

2.3

Not Available

1.1.10 Specific Gravity

2.8-32.86-2.87

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.9-3.1 g/cm³2.77-2.771 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.84 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Basalt vs Dacite Properties

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