Properties of Greywacke and Obsidian
Grain Size
Angular and Fine
Not Applicable
Fracture
Conchoidal
Conchoidal
Porosity
Highly Porous
Very Less Porous
Compressive Strength
Not Available
Cleavage
Perfect
Non-Existent
Toughness
2.6
Not Available
Specific Gravity
2.2-2.8
2.6-2.7
Transparency
Opaque
Translucent
Density
2.6-2.61 g/cm3
2.6 g/cm3
Specific Heat Capacity
Not Available
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant
Heat Resistant, Impact Resistant
Greywacke vs Obsidian Properties
Properties of Greywacke and Obsidian play an important role in determining the type of rock. Along with Greywacke vs Obsidian properties, get to know more about Greywacke 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 Greywacke and Obsidian.