Properties of Chert and Porphyry

Chert

Porphyry

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.5-76-7

1 7

1.1.2 Grain Size

Very fine-grained

Fine Grained

1.1.3 Fracture

Uneven, Splintery or Conchoidal

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Waxy and Dull

Dull

1.1.7 Compressive Strength

450.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Non-Existent

Imperfect

1.1.9 Toughness

1.5

1.7

1.1.10 Specific Gravity

2.5-2.82.5-4

0 8.4

1.1.11 Transparency

Translucent to Opaque

1.1.12 Density

2.7 g/cm³2.5-2.52 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.74 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Chert vs Porphyry Properties

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