Properties of Obsidian and Hornblendite

Obsidian

Hornblendite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.56-7

1 7

1.1.2 Grain Size

Not Applicable

Medium to Coarse Grained

1.1.3 Fracture

Conchoidal

Irregular to Conchoidal

1.1.4 Streak

White

White to Grey

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Vitreous

Vitreous to Dull

1.1.7 Compressive Strength

0.15 N/mm²NA

0.15 450

1.1.8 Cleavage

Non-Existent

Irregular

1.1.9 Toughness

Not Available

2.3

1.1.10 Specific Gravity

2.6-2.72.5

0 8.4

1.1.11 Transparency

Translucent

Opaque

1.1.12 Density

2.6 g/cm³2.85-3.07 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, Pressure Resistant, Wear Resistant

Obsidian vs Hornblendite Properties

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