Properties of Pumice and Pegmatite

Pumice

Pegmatite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1 7

1.1.2 Grain Size

Fine Grained

Medium to Coarse Grained

1.1.3 Fracture

Planar

Conchoidal

1.1.4 Streak

White, Greenish White or Grey

White

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Earthy

Grainy, Pearly and Vitreous

1.1.7 Compressive Strength

51.20 N/mm²178.54 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

1.1.9 Toughness

2.1

1.1.10 Specific Gravity

2.862.6-2.63

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

0.25-0.3 g/cm³2.6-2.65 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.87 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Pumice vs Pegmatite Properties

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