Properties of Obsidian and Porphyry
Grain Size
Not Applicable
Fine Grained
Fracture
Conchoidal
Irregular
Porosity
Very Less Porous
Less Porous
Compressive Strength
Not Available
Cleavage
Non-Existent
Imperfect
Toughness
Not Available
1.7
Specific Gravity
2.6-2.7
2.5-4
Transparency
Translucent
Translucent to Opaque
Density
2.6 g/cm3
2.5-2.52 g/cm3
Specific Heat Capacity
Not Available
Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Impact Resistant
Obsidian vs Porphyry Properties
Properties of Obsidian and Porphyry play an important role in determining the type of rock. Along with Obsidian vs Porphyry properties, get to know more about Obsidian Definition and Porphyry 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 Porphyry.