Properties of Tephrite and Coal

Tephrite

Coal

Add ⊕

1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.51-1.5

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

1.1.3 Fracture

Uneven

Conchoidal

1.1.4 Streak

Bluish Black

Black

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Subvitreous to Dull

Dull to Vitreous to Submetallic

1.1.7 Compressive Strength

90.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Crenulation and Pervasive

Non-Existent

1.1.9 Toughness

2.4

Not Available

1.1.10 Specific Gravity

2.861.1-1.4

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.8-2.9 g/cm³1100-1400 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K1.32 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant

Tephrite vs Coal Properties

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