Slate

Obsidian

Properties of Slate and Obsidian

Slate

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

3-4

5-5.5

1.1.2 Grain Size

Very fine-grained

Not Applicable

1.1.3 Fracture

Splintery

Conchoidal

1.1.4 Streak

Light to dark brown

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Dull

Vitreous

1.1.7 Compressive Strength

Properties of F..

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30.00 N/mm²

Rank: 30 (Overall)▶

0.15 N/mm²

Rank: 33 (Overall)▶

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Properties of Obsidian

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175 (Properties of..)

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1.1.8 Cleavage

Slaty

Non-Existent

1.1.9 Toughness

1.2

Not Available

1.1.10 Specific Gravity

2.65-2.8

2.6-2.7

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.6-2.8 g/cm³

2.6 g/cm³

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

Properties of B..

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0.76 kJ/Kg K

Rank: 17 (Overall)▶

0.92 kJ/Kg K

Rank: 10 (Overall)▶

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Properties of Granulite

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1.09 (Properties of..)

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1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Slate vs Obsidian Properties

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