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Coal
Coal

Tephrite
Tephrite



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Coal
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Tephrite

Properties of Coal and Tephrite

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1 Properties
1.1 Physical Properties
1.1.1 Hardness
1-1.5
6.5
1.1.2 Grain Size
Medium to Fine Coarse Grained
Medium to Fine Coarse Grained
1.1.3 Fracture
Conchoidal
Uneven
1.1.4 Streak
Black
Bluish Black
1.1.5 Porosity
Less Porous
Very Less Porous
1.1.6 Luster
Dull to Vitreous to Submetallic
Subvitreous to Dull
1.1.7 Compressive Strength
Properties of F..
Not Available
Rank: N/A (Overall)
90.00 N/mm2
Rank: 22 (Overall)
Properties of Obsidian
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1.1.8 Cleavage
Non-Existent
Crenulation and Pervasive
1.1.9 Toughness
Not Available
2.4
1.1.10 Specific Gravity
1.1-1.4
2.86
1.1.11 Transparency
Opaque
Opaque
1.1.12 Density
1100-1400 g/cm3
2.8-2.9 g/cm3
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
Properties of B..
1.32 kJ/Kg K
Rank: 4 (Overall)
0.92 kJ/Kg K
Rank: 10 (Overall)
Properties of Granulite
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1.2.2 Resistance
Heat Resistant
Heat Resistant, Impact Resistant

Coal vs Tephrite Properties

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