Properties of Dacite and Tephrite

Dacite

Tephrite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

2-2.256.5

1 7

1.1.2 Grain Size

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

Subvitreous to Dull

1.1.7 Compressive Strength

NA90.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Crenulation and Pervasive

1.1.9 Toughness

Not Available

2.4

1.1.10 Specific Gravity

2.86-2.872.86

0 8.4

1.1.11 Transparency

Translucent

Opaque

1.1.12 Density

2.77-2.771 g/cm³2.8-2.9 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, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Dacite vs Tephrite Properties

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