Properties of Gneiss and Rhyodacite

Gneiss

Rhyodacite

Properties of Rhyodacite and Gneiss

Properties

Physical Properties

Hardness

5.5-6

Grain Size

Medium to Coarse Grained

Fine Grained

Fracture

Irregular

Conchoidal

Streak

White

Black

Porosity

Very Less Porous

Less Porous

Luster

Dull

Greasy to Dull

Compressive Strength

125.00 N/mm²

200.50 N/mm²

Cleavage

Poor

Not Available

Toughness

1.2

2.1

Specific Gravity

2.5-2.7

2.34-2.40

Transparency

Translucent to Opaque

Opaque

Density

2.6-2.9 g/cm³

Not Available

Thermal Properties

Specific Heat Capacity

Not Available

1.12 kJ/Kg K

Resistance

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Heat Resistant

Reserves >>

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Gneiss vs Rhyodacite Properties

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