Properties of Slate and Tephrite

Slate

Tephrite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

3-46.5

1 7

1.1.2 Grain Size

Very fine-grained

Medium to Fine Coarse Grained

1.1.3 Fracture

Splintery

Uneven

1.1.4 Streak

Light to dark brown

Bluish Black

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Dull

Subvitreous to Dull

1.1.7 Compressive Strength

30.00 N/mm²90.00 N/mm²

0.15 450

1.1.8 Cleavage

Slaty

Crenulation and Pervasive

1.1.9 Toughness

1.2

2.4

1.1.10 Specific Gravity

2.65-2.82.86

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.6-2.8 g/cm³2.8-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.76 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

Slate vs Tephrite Properties

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