Properties of Dacite and Obsidian

Dacite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

2-2.255-5.5

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Not Applicable

1.1.3 Fracture

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Subvitreous to Dull

Vitreous

1.1.7 Compressive Strength

NA0.15 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Non-Existent

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.86-2.872.6-2.7

0 8.4

1.1.11 Transparency

Translucent

1.1.12 Density

2.77-2.771 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 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

Dacite vs Obsidian Properties

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