Properties of Variolite and Tephrite

Variolite

Tephrite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

66.5

1 7

1.1.2 Grain Size

Not Applicable

Medium to Fine Coarse Grained

1.1.3 Fracture

Conchoidal

Uneven

1.1.4 Streak

White to Grey

Bluish Black

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Not Available

Subvitreous to Dull

1.1.7 Compressive Strength

37.50 N/mm²90.00 N/mm²

0.15 450

1.1.8 Cleavage

Not Available

Crenulation and Pervasive

1.1.9 Toughness

2.3

2.4

1.1.10 Specific Gravity

2.8-32.86

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.9-3.1 g/cm³2.8-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.84 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Variolite vs Tephrite Properties

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