Properties of Phonolite and Obsidian

Phonolite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5.5-65-5.5

1 7

1.1.2 Grain Size

Fine Grained

Not Applicable

1.1.3 Fracture

Conchoidal to Uneven

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Greasy to Dull

Vitreous

1.1.7 Compressive Strength

150.00 N/mm²0.15 N/mm²

0.15 450

1.1.8 Cleavage

Poor

Non-Existent

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.62.6-2.7

0 8.4

1.1.11 Transparency

Translucent to Opaque

Translucent

1.1.12 Density

2.6 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Phonolite vs Obsidian Properties

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