Properties of Picrite and Gneiss

Picrite

Gneiss

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.87

1 7

1.1.2 Grain Size

Fine Grained

Medium to Coarse Grained

1.1.3 Fracture

Uneven

Irregular

1.1.4 Streak

White, Greenish White or Grey

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Subvitreous to Dull

Dull

1.1.7 Compressive Strength

189.00 N/mm²125.00 N/mm²

0.15 450

1.1.8 Cleavage

Imperfect

Poor

1.1.9 Toughness

2.1

1.2

1.1.10 Specific Gravity

2.75-2.922.5-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

1.5-2.5 g/cm³2.6-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.88 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Picrite vs Gneiss Properties

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