Properties of Tonalite and Gneiss

Tonalite

Gneiss

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-77

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Medium to Coarse Grained

1.1.3 Fracture

Conchoidal

Irregular

1.1.4 Streak

Bluish Black

White

1.1.5 Porosity

Very Less Porous

1.1.6 Luster

Subvitreous to Dull

Dull

1.1.7 Compressive Strength

NA125.00 N/mm²

0.15 450

1.1.8 Cleavage

Not Available

Poor

1.1.9 Toughness

2.1

1.2

1.1.10 Specific Gravity

2.86-32.5-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

2.73 g/cm³2.6-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Water Resistant

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Tonalite vs Gneiss Properties

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