Properties of Pegmatite and Anorthosite

Pegmatite

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

Conchoidal

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Grainy, Pearly and Vitreous

Pearly to Subvitreous

1.1.7 Compressive Strength

178.54 N/mm²NA

0.15 450

1.1.8 Cleavage

Perfect

Irregular

1.1.9 Toughness

2.1

Not Available

1.1.10 Specific Gravity

2.6-2.632.62-2.82

0 8.4

1.1.11 Transparency

Translucent to Opaque

Translucent

1.1.12 Density

2.6-2.65 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, Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Pegmatite vs Anorthosite Properties

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