Properties of Nephelinite and Pegmatite

Nephelinite

Pegmatite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.57

1 7

1.1.2 Grain Size

Fine Grained

Medium to Coarse Grained

1.1.3 Fracture

Flat

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Vitreous to Metallic

Grainy, Pearly and Vitreous

1.1.7 Compressive Strength

35.00 N/mm²178.54 N/mm²

0.15 450

1.1.8 Cleavage

Imperfect

Perfect

1.1.9 Toughness

2.7

2.1

1.1.10 Specific Gravity

2.4-2.92.6-2.63

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

2.5-3 g/cm³2.6-2.65 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.88 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Nephelinite vs Pegmatite Properties

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