Properties of Gneiss and Alkali Feldspar Granite

Gneiss

Alkali Feldspar Granite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

76-7

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Large and Coarse Grained

1.1.3 Fracture

Irregular

Not Available

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Dull

Dull to Grainy with Sporadic parts Pearly and Vitreous

1.1.7 Compressive Strength

125.00 N/mm²175.00 N/mm²

0.15 450

1.1.8 Cleavage

Poor

Not Available

1.1.9 Toughness

1.2

Not Available

1.1.10 Specific Gravity

2.5-2.72.6-2.7

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.6-2.9 g/cm³2.6-2.8 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, Pressure Resistant, Scratch Resistant, Wear Resistant

Heat Resistant, Wear Resistant

Gneiss vs Alkali Feldspar Granite Properties

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