Properties of Pegmatite and Greywacke

Pegmatite

Greywacke

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

76-7

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Angular and Fine

1.1.3 Fracture

Conchoidal

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

1.1.9 Toughness

2.1

2.6

1.1.10 Specific Gravity

2.6-2.632.2-2.8

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.6-2.65 g/cm³2.6-2.61 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

Pegmatite vs Greywacke Properties

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