Properties of Picrite and Coal

Picrite

Coal

Properties of Coal and Picrite

Properties

Physical Properties

Hardness

6.8

1-1.5

Grain Size

Fine Grained

Medium to Fine Coarse Grained

Fracture

Uneven

Conchoidal

Streak

White, Greenish White or Grey

Black

Porosity

Less Porous

Luster

Subvitreous to Dull

Dull to Vitreous to Submetallic

Compressive Strength

189.00 N/mm²

Not Available

Cleavage

Imperfect

Non-Existent

Toughness

2.1

Not Available

Specific Gravity

2.75-2.92

1.1-1.4

Transparency

Opaque

Density

1.5-2.5 g/cm³

1100-1400 g/cm³

Thermal Properties

Specific Heat Capacity

0.88 kJ/Kg K

1.32 kJ/Kg K

Resistance

Heat Resistant

Reserves >>

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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.