Properties of Tephrite and Variolite

Tephrite

Variolite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.56

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Not Applicable

1.1.3 Fracture

Uneven

Conchoidal

1.1.4 Streak

Bluish Black

White to Grey

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Subvitreous to Dull

Not Available

1.1.7 Compressive Strength

90.00 N/mm²37.50 N/mm²

0.15 450

1.1.8 Cleavage

Crenulation and Pervasive

Not Available

1.1.9 Toughness

2.4

2.3

1.1.10 Specific Gravity

2.862.8-3

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.8-2.9 g/cm³2.9-3.1 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K0.84 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

Tephrite vs Variolite Properties

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