Properties of Pegmatite and Chalk

Pegmatite

Chalk

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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

Not Available

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

Highly Porous

1.1.6 Luster

Grainy, Pearly and Vitreous

Dull

1.1.7 Compressive Strength

178.54 N/mm²NA

0.15 450

1.1.8 Cleavage

Perfect

Non-Existent

1.1.9 Toughness

2.1

1.1.10 Specific Gravity

2.6-2.632.3-2.4

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.6-2.65 g/cm³2.49-2.50 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.90 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant

Pegmatite vs Chalk Properties

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