Properties of Tephrite and Lignite

Tephrite

Lignite

Properties of Lignite and Tephrite

Properties

Physical Properties

Hardness

6.5

Grain Size

Medium to Fine Coarse Grained

Fracture

Uneven

Conchoidal

Streak

Bluish Black

Black

Porosity

Very Less Porous

Highly Porous

Luster

Subvitreous to Dull

Dull to Vitreous to Submetallic

Compressive Strength

90.00 N/mm²

Not Available

Cleavage

Crenulation and Pervasive

Non-Existent

Toughness

2.4

Not Available

Specific Gravity

2.86

1.1-1.4

Transparency

Opaque

Density

2.8-2.9 g/cm³

800-801 g/cm³

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K

1.26 kJ/Kg K

Resistance

Heat Resistant, Impact Resistant

Heat Resistant

Reserves >>

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Tephrite vs Lignite Properties

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