Properties of Argillite and Pegmatite

Argillite

Pegmatite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

2-37

1 7

1.1.2 Grain Size

Fine Grained

Medium to Coarse Grained

1.1.3 Fracture

Conchoidal to Uneven

Conchoidal

1.1.4 Streak

White to Grey

White

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Waxy and Dull

Grainy, Pearly and Vitreous

1.1.7 Compressive Strength

NA178.54 N/mm²

0.15 450

1.1.8 Cleavage

Slaty

Perfect

1.1.9 Toughness

2.6

2.1

1.1.10 Specific Gravity

2.56-2.682.6-2.63

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

2.54-2.66 g/cm³2.6-2.65 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.87 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Argillite vs Pegmatite Properties

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