Properties of Pegmatite and Argillite

Pegmatite

Argillite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

72-3

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Fine Grained

1.1.3 Fracture

Conchoidal

Conchoidal to Uneven

1.1.4 Streak

White

White to Grey

1.1.5 Porosity

Less Porous

Highly Porous

1.1.6 Luster

Grainy, Pearly and Vitreous

Waxy and Dull

1.1.7 Compressive Strength

178.54 N/mm²NA

0.15 450

1.1.8 Cleavage

Perfect

Slaty

1.1.9 Toughness

2.1

2.6

1.1.10 Specific Gravity

2.6-2.632.56-2.68

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.6-2.65 g/cm³2.54-2.66 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.87 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant

Pegmatite vs Argillite Properties

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