Properties of Phyllite and Gneiss

Phyllite

Gneiss

Properties of Gneiss and Phyllite

Properties

Physical Properties

Hardness

1-2

Grain Size

Medium to Fine Coarse Grained

Medium to Coarse Grained

Fracture

Conchoidal

Irregular

Streak

White

Porosity

Highly Porous

Very Less Porous

Luster

Phyllitic

Dull

Compressive Strength

Not Available

125.00 N/mm²

Cleavage

Crenulation and Pervasive

Poor

Toughness

1.2

Specific Gravity

2.72-2.73

2.5-2.7

Transparency

Opaque

Translucent to Opaque

Density

2.18-3.3 g/cm³

2.6-2.9 g/cm³

Thermal Properties

Resistance

Heat Resistant, Pressure Resistant, Water Resistant

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

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Phyllite vs Gneiss Properties

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