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Gneiss
Gneiss

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Pumice

Properties of Gneiss and Pumice

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1 Properties
1.1 Physical Properties
1.1.1 Hardness
7
6
1.1.2 Grain Size
Medium to Coarse Grained
Fine Grained
1.1.3 Fracture
Irregular
Planar
1.1.4 Streak
White
White, Greenish White or Grey
1.1.5 Porosity
Very Less Porous
Highly Porous
1.1.6 Luster
Dull
Earthy
1.1.7 Compressive Strength
Properties of F..
125.00 N/mm2
Rank: 17 (Overall)
51.20 N/mm2
Rank: 26 (Overall)
Properties of Obsidian
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1.1.8 Cleavage
Poor
Perfect
1.1.9 Toughness
1.2
3
1.1.10 Specific Gravity
2.5-2.7
2.86
1.1.11 Transparency
Translucent to Opaque
Opaque
1.1.12 Density
2.6-2.9 g/cm3
0.25-0.3 g/cm3
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
Properties of B..
Not Available
Rank: N/A (Overall)
0.87 kJ/Kg K
Rank: 14 (Overall)
Properties of Granulite
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1.2.2 Resistance
Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant
Impact Resistant, Pressure Resistant

Gneiss vs Pumice Properties

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