Properties of Pumice and Gritstone

Pumice

Gritstone

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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

Coarse Grained

1.1.3 Fracture

Planar

Conchoidal

1.1.4 Streak

White, Greenish White or Grey

White

1.1.5 Porosity

Highly Porous

1.1.6 Luster

Earthy

Dull

1.1.7 Compressive Strength

51.20 N/mm²70.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.862.250

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

0.25-0.3 g/cm³2.2 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.87 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Pumice vs Gritstone Properties

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