Properties of Hornfels and Greywacke

Hornfels

Greywacke

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

2-36-7

1 7

1.1.2 Grain Size

Fine Grained

Angular and Fine

1.1.3 Fracture

Conchoidal

1.1.4 Streak

Unknown

White

1.1.5 Porosity

Highly Porous

1.1.6 Luster

Shiny

Dull

1.1.7 Compressive Strength

5.80 N/mm²NA

0.15 450

1.1.8 Cleavage

Perfect

1.1.9 Toughness

Not Yet Found

2.6

1.1.10 Specific Gravity

3.4-3.92.2-2.8

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

0.25-0.30 g/cm³2.6-2.61 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.84 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Hornfels vs Greywacke Properties

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