Properties of Rapakivi Granite and Coal

Rapakivi Granite

Coal

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-71-1.5

1 7

1.1.2 Grain Size

Large and Coarse Grained

Medium to Fine Coarse Grained

1.1.3 Fracture

Not Available

Conchoidal

1.1.4 Streak

White

Black

1.1.5 Porosity

Less Porous

1.1.6 Luster

Dull to Grainy with Sporadic parts Pearly and Vitreous

Dull to Vitreous to Submetallic

1.1.7 Compressive Strength

175.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Not Available

Non-Existent

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.6-2.71.1-1.4

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.6-2.8 g/cm³1100-1400 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.79 kJ/Kg K1.32 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Wear Resistant

Heat Resistant

Rapakivi Granite vs Coal Properties

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