Properties of Obsidian and Breccia

Obsidian

Breccia

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.57

1 7

1.1.2 Grain Size

Not Applicable

Medium to Coarse Grained

1.1.3 Fracture

Conchoidal

Uneven

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Vitreous

Dull to Pearly

1.1.7 Compressive Strength

0.15 N/mm²NA

0.15 450

1.1.8 Cleavage

Non-Existent

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.6-2.72.86-2.87

0 8.4

1.1.11 Transparency

Translucent

Opaque

1.1.12 Density

2.6 g/cm³0 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, Wear Resistant

Obsidian vs Breccia Properties

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