Properties of Phonolite and Dacite

Phonolite

Dacite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5.5-62-2.25

1 7

1.1.2 Grain Size

Fine Grained

Medium to Fine Coarse Grained

1.1.3 Fracture

Conchoidal to Uneven

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Greasy to Dull

Subvitreous to Dull

1.1.7 Compressive Strength

150.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Poor

Perfect

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.62.86-2.87

0 8.4

1.1.11 Transparency

Translucent to Opaque

Translucent

1.1.12 Density

2.6 g/cm³2.77-2.771 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Wear Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Phonolite vs Dacite Properties

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