Properties of Basalt and Gneiss

Basalt

Gneiss

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1 7

1.1.2 Grain Size

Fine Grained

Medium to Coarse Grained

1.1.3 Fracture

Conchoidal

Irregular

1.1.4 Streak

White to Grey

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Not Available

Dull

1.1.7 Compressive Strength

37.40 N/mm²125.00 N/mm²

0.15 450

1.1.8 Cleavage

Not Available

Poor

1.1.9 Toughness

2.3

1.2

1.1.10 Specific Gravity

2.8-32.5-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

2.9-3.1 g/cm³2.6-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.84 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Basalt vs Gneiss Properties

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