Properties of Diatomite and Obsidian

Diatomite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

15-5.5

1 7

1.1.2 Grain Size

Very fine-grained

Not Applicable

1.1.3 Fracture

Not Available

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

Very Less Porous

1.1.6 Luster

Dull

Vitreous

1.1.7 Compressive Strength

NA0.15 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.3-2.42.6-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.49-2.51 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.90 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant

Diatomite vs Obsidian Properties

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