Properties of Porphyry and Granite

Porphyry

Granite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-76-7

1 7

1.1.2 Grain Size

Fine Grained

Large and Coarse Grained

1.1.3 Fracture

Irregular

Not Available

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Dull

Dull to Grainy with Sporadic parts Pearly and Vitreous

1.1.7 Compressive Strength

NA175.00 N/mm²

0.15 450

1.1.8 Cleavage

Imperfect

Not Available

1.1.9 Toughness

1.7

Not Available

1.1.10 Specific Gravity

2.5-42.6-2.7

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.5-2.52 g/cm³2.65-2.75 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.79 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Wear Resistant

Porphyry vs Granite Properties

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