Properties of Nephelinite and Obsidian

Nephelinite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.55-5.5

1 7

1.1.2 Grain Size

Fine Grained

Not Applicable

1.1.3 Fracture

Flat

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Vitreous to Metallic

Vitreous

1.1.7 Compressive Strength

35.00 N/mm²0.15 N/mm²

0.15 450

1.1.8 Cleavage

Imperfect

Non-Existent

1.1.9 Toughness

2.7

Not Available

1.1.10 Specific Gravity

2.4-2.92.6-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.5-3 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

Nephelinite vs Obsidian Properties

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