Properties of Tephrite and Siltstone

Tephrite

Siltstone

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.56-7

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

White

1.1.5 Porosity

Very Less Porous

Highly Porous

1.1.6 Luster

Subvitreous to Dull

Dull

1.1.7 Compressive Strength

90.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Crenulation and Pervasive

Not Available

1.1.9 Toughness

2.4

2.6

1.1.10 Specific Gravity

2.862.54-2.73

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.8-2.9 g/cm³2.6-2.7 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Water Resistant

Tephrite vs Siltstone Properties

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