Properties of Tephrite and Pegmatite

Tephrite

Pegmatite

Properties of Pegmatite and Tephrite

Properties

Physical Properties

Hardness

6.5

Grain Size

Medium to Fine Coarse Grained

Medium to Coarse Grained

Fracture

Uneven

Conchoidal

Streak

Bluish Black

White

Porosity

Very Less Porous

Less Porous

Luster

Subvitreous to Dull

Grainy, Pearly and Vitreous

Compressive Strength

90.00 N/mm²

178.54 N/mm²

Cleavage

Crenulation and Pervasive

Perfect

Toughness

2.4

2.1

Specific Gravity

2.86

2.6-2.63

Transparency

Opaque

Translucent to Opaque

Density

2.8-2.9 g/cm³

2.6-2.65 g/cm³

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K

Not Available

Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Reserves >>

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Tephrite vs Pegmatite Properties

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