Properties of Pegmatite and Slate

Pegmatite

Slate

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

73-4

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Very fine-grained

1.1.3 Fracture

Conchoidal

Splintery

1.1.4 Streak

White

Light to dark brown

1.1.5 Porosity

Less Porous

1.1.6 Luster

Grainy, Pearly and Vitreous

Dull

1.1.7 Compressive Strength

178.54 N/mm²30.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Slaty

1.1.9 Toughness

2.1

1.2

1.1.10 Specific Gravity

2.6-2.632.65-2.8

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.6-2.65 g/cm³2.6-2.8 g/cm³

0 1400

1.5 Thermal Properties

1.5.1 Specific Heat Capacity

NA0.76 kJ/Kg K

0.14 3.2

5.3.4 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Pegmatite vs Slate Properties

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