Properties of Obsidian and Blue Granite
Grain Size
Not Applicable
Medium to Fine Coarse Grained
Fracture
Conchoidal
Not Available
Porosity
Very Less Porous
Less Porous
Luster
Vitreous
Subvitreous to Dull
Cleavage
Non-Existent
Not Available
Toughness
Not Available
Not Available
Specific Gravity
2.6-2.7
2.8-3
Transparency
Translucent
Opaque
Density
2.6 g/cm3
2.9-2.91 g/cm3
Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Impact Resistant, Pressure Resistant
Obsidian vs Blue Granite Properties
Properties of Obsidian and Blue Granite play an important role in determining the type of rock. Along with Obsidian vs Blue Granite properties, get to know more about Obsidian Definition and Blue Granite 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 Blue Granite.