Properties of Pegmatite and Tephrite

Pegmatite

Tephrite

Properties of Tephrite and Pegmatite

Properties

Physical Properties

Hardness

6.5

Grain Size

Medium to Coarse Grained

Medium to Fine Coarse Grained

Fracture

Conchoidal

Uneven

Streak

White

Bluish Black

Porosity

Less Porous

Very Less Porous

Luster

Grainy, Pearly and Vitreous

Subvitreous to Dull

Compressive Strength

178.54 N/mm²

90.00 N/mm²

Cleavage

Perfect

Crenulation and Pervasive

Toughness

2.1

2.4

Specific Gravity

2.6-2.63

2.86

Transparency

Translucent to Opaque

Opaque

Density

2.6-2.65 g/cm³

2.8-2.9 g/cm³

Thermal Properties

Specific Heat Capacity

Not Available

0.92 kJ/Kg K

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant

Reserves >>

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Pegmatite vs Tephrite Properties

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