Properties of Tephrite and Rhyodacite

Tephrite

Rhyodacite

Properties of Rhyodacite and Tephrite

Properties

Physical Properties

Hardness

6.5

5.5-6

Grain Size

Medium to Fine Coarse Grained

Fine Grained

Fracture

Uneven

Conchoidal

Streak

Bluish Black

Black

Porosity

Very Less Porous

Less Porous

Luster

Subvitreous to Dull

Greasy to Dull

Compressive Strength

90.00 N/mm²

200.50 N/mm²

Cleavage

Crenulation and Pervasive

Not Available

Toughness

2.4

2.1

Specific Gravity

2.86

2.34-2.40

Transparency

Opaque

Density

2.8-2.9 g/cm³

Not Available

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K

1.12 kJ/Kg K

Resistance

Heat Resistant, Impact Resistant

Heat Resistant

Reserves >>

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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.