Properties of Pegmatite and Tephrite

Pegmatite

Tephrite

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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

Medium to Fine Coarse Grained

1.1.3 Fracture

Conchoidal

Uneven

1.1.4 Streak

White

Bluish Black

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Grainy, Pearly and Vitreous

Subvitreous to Dull

1.1.7 Compressive Strength

178.54 N/mm²90.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Crenulation and Pervasive

1.1.9 Toughness

2.1

2.4

1.1.10 Specific Gravity

2.6-2.632.86

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.6-2.65 g/cm³2.8-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant

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.