Properties of Phonolite and Pseudotachylite

Phonolite

Pseudotachylite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5.5-67

1 7

1.1.2 Grain Size

Fine Grained

Very fine-grained

1.1.3 Fracture

Conchoidal to Uneven

Uneven

1.1.4 Streak

White

Light to dark brown

1.1.5 Porosity

Less Porous

1.1.6 Luster

Greasy to Dull

Vitreous

1.1.7 Compressive Strength

150.00 N/mm²60.00 N/mm²

0.15 450

1.1.8 Cleavage

Poor

Irregular

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.62.46-2.86

0 8.4

1.1.11 Transparency

Translucent to Opaque

Transparent to Translucent

1.1.12 Density

2.6 g/cm³2.7-2.9 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

Phonolite vs Pseudotachylite Properties

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