Properties of Dacite and Pumice

Dacite

Pumice

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

2-2.256

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Fine Grained

1.1.3 Fracture

Conchoidal

Planar

1.1.4 Streak

White

White, Greenish White or Grey

1.1.5 Porosity

Less Porous

Highly Porous

1.1.6 Luster

Subvitreous to Dull

Earthy

1.1.7 Compressive Strength

NA51.20 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.86-2.872.86

0 8.4

1.1.11 Transparency

Translucent

Opaque

1.1.12 Density

2.77-2.771 g/cm³0.25-0.3 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K0.87 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Impact Resistant, Pressure Resistant

Dacite vs Pumice Properties

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