Properties of Pumice and Coquina

Pumice

Coquina

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

61-2

1 7

1.1.2 Grain Size

Fine Grained

Coarse Grained

1.1.3 Fracture

Planar

Irregular

1.1.4 Streak

White, Greenish White or Grey

White

1.1.5 Porosity

Highly Porous

1.1.6 Luster

Earthy

Dull to Vitreous to Submetallic

1.1.7 Compressive Strength

51.20 N/mm²NA

0.15 450

1.1.8 Cleavage

Perfect

Not Available

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.861.10-2.24

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

0.25-0.3 g/cm³2.8-2.9 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, Wear Resistant

Pumice vs Coquina Properties

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