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Pumice
Pumice

Porphyry
Porphyry



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Pumice
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Porphyry

Properties of Pumice and Porphyry

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1 Properties
1.1 Physical Properties
1.1.1 Hardness
66-7
Coal
1 7
1.1.2 Grain Size
Fine Grained
Fine Grained
1.1.3 Fracture
Planar
Irregular
1.1.4 Streak
White, Greenish White or Grey
White
1.1.5 Porosity
Highly Porous
Less Porous
1.1.6 Luster
Earthy
Dull
1.1.7 Compressive Strength
51.20 N/mm2NA
Properties of Obsidian
0.15 450
1.1.8 Cleavage
Perfect
Imperfect
1.1.9 Toughness
3
1.7
1.1.10 Specific Gravity
2.862.5-4
Granite
0 8.4
1.1.11 Transparency
Opaque
Translucent to Opaque
1.1.12 Density
0.25-0.3 g/cm32.5-2.52 g/cm3
Granite
0 1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.87 kJ/Kg KNA
Properties of Granulite
0.14 3.2
1.2.2 Resistance
Impact Resistant, Pressure Resistant
Heat Resistant, Impact Resistant

Pumice vs Porphyry Properties

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