Properties of Pseudotachylite and Pegmatite

Pseudotachylite

Pegmatite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1 7

1.1.2 Grain Size

Very fine-grained

Medium to Coarse Grained

1.1.3 Fracture

Uneven

Conchoidal

1.1.4 Streak

Light to dark brown

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Vitreous

Grainy, Pearly and Vitreous

1.1.7 Compressive Strength

60.00 N/mm²178.54 N/mm²

0.15 450

1.1.8 Cleavage

Irregular

Perfect

1.1.9 Toughness

Not Available

2.1

1.1.10 Specific Gravity

2.46-2.862.6-2.63

0 8.4

1.1.11 Transparency

Transparent to Translucent

Translucent to Opaque

1.1.12 Density

2.7-2.9 g/cm³2.6-2.65 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Pseudotachylite vs Pegmatite Properties

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