Properties of Lignite and Porphyry

Lignite

Porphyry

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

16-7

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Fine Grained

1.1.3 Fracture

Conchoidal

Irregular

1.1.4 Streak

Black

White

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Dull

1.1.7 Compressive Strength

NANA

0.15 450

1.1.8 Cleavage

Non-Existent

Imperfect

1.1.9 Toughness

Not Available

1.7

1.1.10 Specific Gravity

1.1-1.42.5-4

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

800-801 g/cm³2.5-2.52 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

1.26 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant

Lignite vs Porphyry Properties

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