Properties of Nephelinite and Coal

Nephelinite

Coal

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.51-1.5

1 7

1.1.2 Grain Size

Fine Grained

Medium to Fine Coarse Grained

1.1.3 Fracture

Flat

Conchoidal

1.1.4 Streak

White

Black

1.1.5 Porosity

Less Porous

1.1.6 Luster

Vitreous to Metallic

Dull to Vitreous to Submetallic

1.1.7 Compressive Strength

35.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Imperfect

Non-Existent

1.1.9 Toughness

2.7

Not Available

1.1.10 Specific Gravity

2.4-2.91.1-1.4

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.5-3 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

Nephelinite vs Coal Properties

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