Properties of Greywacke and Dacite

Greywacke

Dacite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-72-2.25

1 7

1.1.2 Grain Size

Angular and Fine

Medium to Fine Coarse Grained

1.1.3 Fracture

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Dull

Subvitreous to Dull

1.1.7 Compressive Strength

NANA

0.15 450

1.1.8 Cleavage

Perfect

1.1.9 Toughness

2.6

Not Available

1.1.10 Specific Gravity

2.2-2.82.86-2.87

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.6-2.61 g/cm³2.77-2.771 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Greywacke vs Dacite Properties

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