Properties of Greywacke and Pegmatite

Greywacke

Pegmatite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-77

1 7

1.1.2 Grain Size

Angular and Fine

Medium to Coarse Grained

1.1.3 Fracture

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Dull

Grainy, Pearly and Vitreous

1.1.7 Compressive Strength

NA178.54 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

1.1.9 Toughness

2.6

2.1

1.1.10 Specific Gravity

2.2-2.82.6-2.63

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

2.6-2.61 g/cm³2.6-2.65 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NANA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Greywacke vs Pegmatite Properties

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