Properties of Chalk and Coquina

Chalk

Coquina

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

11-2

1 7

1.1.2 Grain Size

Very fine-grained

Coarse Grained

1.1.3 Fracture

Not Available

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

1.1.6 Luster

Dull

Dull to Vitreous to Submetallic

1.1.7 Compressive Strength

NANA

0.15 450

1.1.8 Cleavage

Non-Existent

Not Available

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.3-2.41.10-2.24

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.49-2.50 g/cm³2.8-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.90 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Chalk vs Coquina Properties

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