Properties of Lignite and Tephrite

Lignite

Tephrite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

16.5

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

1.1.3 Fracture

Conchoidal

Uneven

1.1.4 Streak

Black

Bluish Black

1.1.5 Porosity

Highly Porous

Very Less Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Subvitreous to Dull

1.1.7 Compressive Strength

NA90.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Crenulation and Pervasive

1.1.9 Toughness

Not Available

2.4

1.1.10 Specific Gravity

1.1-1.42.86

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

800-801 g/cm³2.8-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

1.26 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant

Lignite vs Tephrite Properties

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