Properties of Phyllite and Pseudotachylite

Phyllite

Pseudotachylite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1-27

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Very fine-grained

1.1.3 Fracture

Conchoidal

Uneven

1.1.4 Streak

White

Light to dark brown

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Phyllitic

Vitreous

1.1.7 Compressive Strength

NA60.00 N/mm²

0.15 450

1.1.8 Cleavage

Crenulation and Pervasive

Irregular

1.1.9 Toughness

1.2

Not Available

1.1.10 Specific Gravity

2.72-2.732.46-2.86

0 8.4

1.1.11 Transparency

Opaque

Transparent to Translucent

1.1.12 Density

2.18-3.3 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, Pressure Resistant, Water Resistant

Heat Resistant

Phyllite vs Pseudotachylite Properties

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