Properties of Gneiss and Anorthosite

Gneiss

Anorthosite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

75-6

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Coarse Grained

1.1.3 Fracture

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Dull

Pearly to Subvitreous

1.1.7 Compressive Strength

125.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Poor

Irregular

1.1.9 Toughness

1.2

Not Available

1.1.10 Specific Gravity

2.5-2.72.62-2.82

0 8.4

1.1.11 Transparency

Translucent to Opaque

Translucent

1.1.12 Density

2.6-2.9 g/cm³2.7-4 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.84 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, Scratch Resistant, Wear Resistant

Gneiss vs Anorthosite Properties

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