Properties of Pegmatite and Picrite

Pegmatite

Picrite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

76.8

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Fine Grained

1.1.3 Fracture

Conchoidal

Uneven

1.1.4 Streak

White

White, Greenish White or Grey

1.1.5 Porosity

Less Porous

1.1.6 Luster

Grainy, Pearly and Vitreous

Subvitreous to Dull

1.1.7 Compressive Strength

178.54 N/mm²189.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Imperfect

1.1.9 Toughness

2.1

1.1.10 Specific Gravity

2.6-2.632.75-2.92

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.6-2.65 g/cm³1.5-2.5 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.88 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant

Pegmatite vs Picrite Properties

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