Properties of Phyllite and Obsidian

Phyllite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1-25-5.5

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

Highly Porous

Very Less Porous

1.1.6 Luster

Phyllitic

Vitreous

1.1.7 Compressive Strength

NA0.15 N/mm²

0.15 450

1.1.8 Cleavage

Crenulation and Pervasive

Non-Existent

1.1.9 Toughness

1.2

Not Available

1.1.10 Specific Gravity

2.72-2.732.6-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.18-3.3 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, Pressure Resistant, Water Resistant

Heat Resistant, Impact Resistant

Phyllite vs Obsidian Properties

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