Properties of Lignite and Rapakivi Granite

Lignite

Rapakivi Granite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

16-7

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Large and Coarse Grained

1.1.3 Fracture

Conchoidal

Not Available

1.1.4 Streak

Black

White

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Dull to Grainy with Sporadic parts Pearly and Vitreous

1.1.7 Compressive Strength

NA175.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Not Available

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

1.1-1.42.6-2.7

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

800-801 g/cm³2.6-2.8 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

1.26 kJ/Kg K0.79 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Wear Resistant

Lignite vs Rapakivi Granite Properties

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