Properties of Gneiss and Phyllite
Properties
Physical Properties
Hardness
7
1-2
Grain Size
Medium to Coarse Grained
Medium to Fine Coarse Grained
Fracture
Irregular
Conchoidal
Streak
White
White
Porosity
Very Less Porous
Highly Porous
Luster
Dull
Phyllitic
Compressive Strength
125.00 N/mm2
17
Not Available
Cleavage
Poor
Crenulation and Pervasive
Toughness
1.2
1.2
Specific Gravity
2.5-2.7
2.72-2.73
Transparency
Translucent to Opaque
Opaque
Density
2.6-2.9 g/cm3
2.18-3.3 g/cm3
Thermal Properties
Resistance
Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Water Resistant
Gneiss vs Phyllite Properties
Properties of Gneiss and Phyllite play an important role in determining the type of rock. Along with Gneiss vs Phyllite properties, get to know more about Gneiss Definition and Phyllite 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 Phyllite.
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