Properties of Tephrite and Nepheline Syenite

Tephrite

Nepheline Syenite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.55.5-6

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Fine Grained

1.1.3 Fracture

Uneven

Conchoidal to Uneven

1.1.4 Streak

Bluish Black

White

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Subvitreous to Dull

Greasy to Dull

1.1.7 Compressive Strength

90.00 N/mm²150.00 N/mm²

0.15 450

1.1.8 Cleavage

Crenulation and Pervasive

Poor

1.1.9 Toughness

2.4

Not Available

1.1.10 Specific Gravity

2.862.6

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

2.8-2.9 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Impact Resistant, Wear Resistant

Tephrite vs Nepheline Syenite Properties

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