Properties of Pegmatite and Nepheline Syenite

Pegmatite

Nepheline Syenite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

75.5-6

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Fine Grained

1.1.3 Fracture

Conchoidal

Conchoidal to Uneven

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Grainy, Pearly and Vitreous

Greasy to Dull

1.1.7 Compressive Strength

178.54 N/mm²150.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Poor

1.1.9 Toughness

2.1

Not Available

1.1.10 Specific Gravity

2.6-2.632.6

0 8.4

1.1.11 Transparency

Translucent to Opaque

1.1.12 Density

2.6-2.65 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NANA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant, Wear Resistant

Pegmatite vs Nepheline Syenite Properties

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