Properties of Gneiss and Foidolite

Gneiss

Foidolite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

71.5

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Medium to Fine Coarse Grained

1.1.3 Fracture

Irregular

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

1.1.6 Luster

Dull

Subvitreous to Dull

1.1.7 Compressive Strength

125.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Poor

Perfect

1.1.9 Toughness

1.2

Not Available

1.1.10 Specific Gravity

2.5-2.72.86

0 8.4

1.1.11 Transparency

Translucent to Opaque

Translucent

1.1.12 Density

2.6-2.9 g/cm³Not Available

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NANA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Heat Resistant, Wear Resistant

Gneiss vs Foidolite Properties

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