Properties of Dacite and Pseudotachylite

Dacite

Pseudotachylite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

2-2.257

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

Less Porous

1.1.6 Luster

Subvitreous to Dull

Vitreous

1.1.7 Compressive Strength

NA60.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Irregular

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.86-2.872.46-2.86

0 8.4

1.1.11 Transparency

Translucent

Transparent to Translucent

1.1.12 Density

2.77-2.771 g/cm³2.7-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant

Dacite vs Pseudotachylite Properties

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