Properties of Tephrite and Obsidian

Tephrite

Obsidian

Add ⊕

1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.55-5.5

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Not Applicable

1.1.3 Fracture

Uneven

Conchoidal

1.1.4 Streak

Bluish Black

White

1.1.5 Porosity

Very Less Porous

1.1.6 Luster

Subvitreous to Dull

Vitreous

1.1.7 Compressive Strength

90.00 N/mm²0.15 N/mm²

0.15 450

1.1.8 Cleavage

Crenulation and Pervasive

Non-Existent

1.1.9 Toughness

2.4

Not Available

1.1.10 Specific Gravity

2.862.6-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.8-2.9 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Tephrite vs Obsidian Properties

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