Properties of Pegmatite and Pseudotachylite

Pegmatite

Pseudotachylite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Very fine-grained

1.1.3 Fracture

Conchoidal

Uneven

1.1.4 Streak

White

Light to dark brown

1.1.5 Porosity

Less Porous

1.1.6 Luster

Grainy, Pearly and Vitreous

Vitreous

1.1.7 Compressive Strength

178.54 N/mm²60.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Irregular

1.1.9 Toughness

2.1

Not Available

1.1.10 Specific Gravity

2.6-2.632.46-2.86

0 8.4

1.1.11 Transparency

Translucent to Opaque

Transparent to Translucent

1.1.12 Density

2.6-2.65 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, Pressure Resistant

Heat Resistant

Pegmatite vs Pseudotachylite Properties

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