Properties of Pegmatite and Nephelinite

Pegmatite

Nephelinite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

76.5

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Fine Grained

1.1.3 Fracture

Conchoidal

Flat

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Grainy, Pearly and Vitreous

Vitreous to Metallic

1.1.7 Compressive Strength

178.54 N/mm²35.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Imperfect

1.1.9 Toughness

2.1

2.7

1.1.10 Specific Gravity

2.6-2.632.4-2.9

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.6-2.65 g/cm³2.5-3 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 Nephelinite Properties

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