Properties of Picrite and Coal

Picrite

Coal

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.81-1.5

1 7

1.1.2 Grain Size

Fine Grained

Medium to Fine Coarse Grained

1.1.3 Fracture

Uneven

Conchoidal

1.1.4 Streak

White, Greenish White or Grey

Black

1.1.5 Porosity

Less Porous

1.1.6 Luster

Subvitreous to Dull

Dull to Vitreous to Submetallic

1.1.7 Compressive Strength

189.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Imperfect

Non-Existent

1.1.9 Toughness

2.1

Not Available

1.1.10 Specific Gravity

2.75-2.921.1-1.4

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

1.5-2.5 g/cm³1100-1400 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.88 kJ/Kg K1.32 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Picrite vs Coal Properties

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