Properties of Tephrite and Dacite

Tephrite

Dacite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.52-2.25

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

1.1.3 Fracture

Uneven

Conchoidal

1.1.4 Streak

Bluish Black

White

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Subvitreous to Dull

1.1.7 Compressive Strength

90.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Crenulation and Pervasive

Perfect

1.1.9 Toughness

2.4

Not Available

1.1.10 Specific Gravity

2.862.86-2.87

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.8-2.9 g/cm³2.77-2.771 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Tephrite vs Dacite Properties

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