Properties of Pumice and Comendite

Pumice

Comendite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

66-7

1 7

1.1.2 Grain Size

Fine Grained

Medium Grained

1.1.3 Fracture

Planar

Pervasive

1.1.4 Streak

White, Greenish White or Grey

Bluish Black

1.1.5 Porosity

Highly Porous

1.1.6 Luster

Earthy

Dull

1.1.7 Compressive Strength

51.20 N/mm²92.40 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Not Available

1.1.9 Toughness

1.1.10 Specific Gravity

2.862.38

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

0.25-0.3 g/cm³Not Available

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

Pumice vs Comendite Properties

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