Properties of Picrite and Obsidian

Picrite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.85-5.5

1 7

1.1.2 Grain Size

Fine Grained

Not Applicable

1.1.3 Fracture

Uneven

Conchoidal

1.1.4 Streak

White, Greenish White or Grey

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Subvitreous to Dull

Vitreous

1.1.7 Compressive Strength

189.00 N/mm²0.15 N/mm²

0.15 450

1.1.8 Cleavage

Imperfect

Non-Existent

1.1.9 Toughness

2.1

Not Available

1.1.10 Specific Gravity

2.75-2.922.6-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

1.5-2.5 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.88 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant

Picrite vs Obsidian Properties

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