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Properties of Anthracite

Types of Soft Rocks

Coal
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Conglomerate
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Chalk
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Thermal and physical properties of Anthracite. Properties of Anthracite </>
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Properties that are measurable or whose values describe a state of a physical system of Anthracite. Physical Properties of Anthracite
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Measure of ease with which a smooth surface of a rock can be scratched, or of its resistance to abrasion. It is measured on Moh’s Hardness scale. Hardness
1-1.5
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Size of individual mineral crystals in Anthracite. Grain Size
Medium to Fine Coarse Grained
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Cracking or breaking of Anthracite. Fracture
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Conchoidal fracture is a curved breakage which resembles to the concentric ripples of a mussel shell.Conchoidal
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Color of Anthracite when powdered. Streak
Black
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Porosity of Anthracite is the quality of being porous, or full of tiny holes. Porosity
Less Porous
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Interaction of light with the surface of Anthracite. Luster
Shiny
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Resistance applied by Rocks to break under compression. Compressive Strength
Not Available
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Forms due to deformation and metamorphism in Anthracite. Cleavage
Non-Existent
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Ability to absorb energy and plastically deform without fracturing. Toughness
Not Available
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Ratio of density of Anthracite to the density of reference rock. Specific Gravity
1.1-1.4
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Degree to which light can pass through a rock. Transparency
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A rock is said to be opaque if it blocks all the rays of light to pass through it.Opaque
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Degree of compactness of a rock. Density
1.25-2.5 g/cm3
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Properties which describe the response of a rock on the application of heat. Thermal Properties of Anthracite
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Amount of heat per unit mass required to raise the temperature by one degree Celsius. Specific Heat Capacity
1.32 kJ/Kg K
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Resistance offered by Anthracite against deformation, wear, scratch and heat. Resistance
  • Heat Resistant
  • Water Resistant
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Anthracite Properties

Anthracite properties are essential when it comes to identification of rocks. The study of properties of Anthracite rock is done by Mineralogists to determine the identity of rock. Some of the properties of Anthracite include: Hardness, Color, Fracture, Luster, Compressive Strength etc. Anthracite is Medium to Fine Coarse Grained. As compared to other rocks, Anthracite is more porous and its density is 1.25-2.5 g/cm3. Get to know more about physical properties of Anthracite and thermal properties of Anthracite.

Physical Properties of Anthracite

Physical properties of rocks are used to identify the type of rocks and to discover more about them. There are various physical properties of Anthracite like Hardness, Grain Size, Fracture, Streak, Porosity, Luster, Strength etc which defines it. The physical properties of Anthracite rock are vital in determining its Anthracite Texture and Anthracite Uses.

Hardness and Strength of Anthracite

The physical properties of Anthracite depend on its formation. Physical properties of rocks play an important role in determining its applications in various fields. Rocks are rated on the on the Moh's Hardness Scale which rates the rocks on the scale from 1 to 10. Rocks with hardness 1-3 are soft rocks from 3-6 are medium hardness rocks and 6-10 are hard rocks. The hardness of Anthracite is 1-1.5 whereas its compressive strength is Not Available. Streak is the color of rock when it is crushed or powdered. The streak of Anthracite is black whereas its fracture is conchoidal. Luster of Anthracite is the interaction of light with the surface of Anthracite. Luster of Anthracite is shiny. Anthracite cleavage is non-existent. The specific gravity of Anthracite is 1.1-1.4. Anthracite is opaque in nature whereas its toughness is not available. You can also know all the list of rocks in Opaque Rocks, Translucent Rocks and Transparent Rocks.

Thermal properties of Anthracite

Check out more about What Is Anthracite and its thermal properties. Thermal properties of Anthracite play an important role in geology. Specific heat capacity, resistance offered by the rock to heat, water, pressure etc. are some of the thermal properties of Anthracite.

Specific Heat Capacity of Anthracite

Specific heat capacity is defined as the heat capacity per unit mass of rock. Specific heat capacity or specific heat is one of the important properties of Anthracite. The specific heat capacity of Anthracite is 1.32 kJ/Kg K. Properties of Anthracite also include resistance of Anthracite to heat, water, pressure, impact etc. It helps in determining the parameters to which Anthracite offers resistance. If we talk about Anthracite resistance, Anthracite is heat resistant, water resistant.