Properties of Tephrite and Rhyodacite

Tephrite

Rhyodacite

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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

1.1.4 Streak

Bluish Black

Black

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/mm²200.50 N/mm²

0.15 450

1.1.8 Cleavage

Crenulation and Pervasive

Not Available

1.1.9 Toughness

2.4

2.1

1.1.10 Specific Gravity

2.862.34-2.40

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.8-2.9 g/cm³Not Available

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K1.12 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant

Tephrite vs Rhyodacite Properties

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