Properties of Gneiss and Coquina

Gneiss

Coquina

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

71-2

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Coarse Grained

1.1.3 Fracture

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

Highly Porous

1.1.6 Luster

Dull

Dull to Vitreous to Submetallic

1.1.7 Compressive Strength

125.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Poor

Not Available

1.1.9 Toughness

1.2

Not Available

1.1.10 Specific Gravity

2.5-2.71.10-2.24

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.6-2.9 g/cm³2.8-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NANA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Gneiss vs Coquina Properties

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