Properties of Porphyry and Hornfels

Porphyry

Hornfels

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-72-3

1 7

1.1.2 Grain Size

Fine Grained

1.1.3 Fracture

Irregular

Conchoidal

1.1.4 Streak

White

Unknown

1.1.5 Porosity

Less Porous

Highly Porous

1.1.6 Luster

Dull

Shiny

1.1.7 Compressive Strength

NA5.80 N/mm²

0.15 450

1.1.8 Cleavage

Imperfect

Perfect

1.1.9 Toughness

1.7

Not Yet Found

1.1.10 Specific Gravity

2.5-43.4-3.9

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.5-2.52 g/cm³0.25-0.30 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.84 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Porphyry vs Hornfels Properties

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