Properties of Gneiss and Tuff

Gneiss

Tuff

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

74-6

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Fine Grained

1.1.3 Fracture

Irregular

Uneven

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

Highly Porous

1.1.6 Luster

Dull

Vitreous to Dull

1.1.7 Compressive Strength

125.00 N/mm²243.80 N/mm²

0.15 450

1.1.8 Cleavage

Poor

Not Available

1.1.9 Toughness

1.2

Not Available

1.1.10 Specific Gravity

2.5-2.72.73

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.6-2.9 g/cm³1-1.8 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.20 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Gneiss vs Tuff Properties

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