Properties of Tuff and Gneiss

Tuff

Gneiss

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

4-67

1 7

1.1.2 Grain Size

Fine Grained

Medium to Coarse Grained

1.1.3 Fracture

Uneven

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

Very Less Porous

1.1.6 Luster

Vitreous to Dull

Dull

1.1.7 Compressive Strength

243.80 N/mm²125.00 N/mm²

0.15 450

1.1.8 Cleavage

Not Available

Poor

1.1.9 Toughness

Not Available

1.2

1.1.10 Specific Gravity

2.732.5-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

1-1.8 g/cm³2.6-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.20 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Tuff vs Gneiss Properties

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