Properties of Obsidian and Phyllite

Obsidian

Phyllite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.51-2

1 7

1.1.2 Grain Size

Not Applicable

Medium to Fine Coarse Grained

1.1.3 Fracture

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

Highly Porous

1.1.6 Luster

Vitreous

Phyllitic

1.1.7 Compressive Strength

0.15 N/mm²NA

0.15 450

1.1.8 Cleavage

Non-Existent

Crenulation and Pervasive

1.1.9 Toughness

Not Available

1.2

1.1.10 Specific Gravity

2.6-2.72.72-2.73

0 8.4

1.1.11 Transparency

Translucent

Opaque

1.1.12 Density

2.6 g/cm³2.18-3.3 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, Pressure Resistant, Water Resistant

Obsidian vs Phyllite Properties

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