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Coal
Coal

Anthracite
Anthracite



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Anthracite

Coal vs Anthracite

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Definition

Definition

Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster

History

Origin

USA
Pennsylvania, U.S.

Discoverer

John Peter Salley
Unknown

Etymology

From the Old English term col, which has meant mineral of fossilized carbon since the 13th century
From Greek anthrakites, from anthrax, anthrak meaning coal

Class

Sedimentary Rocks
Metamorphic Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Soft Rock

Family

Group

-
-

Other Categories

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Texture

Amorphous, Glassy
Amorphous, Glassy

Color

Black, Brown, Dark Brown, Grey, Light to Dark Grey
Black, Brown, Dark Brown, Grey, Light to Dark Grey

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Veined or Pebbled
Veined or Pebbled

Uses

Architecture

Interior Uses

-
-

Exterior Uses

-
-

Other Architectural Uses

-
-

Industry

Construction Industry

Cement Manufacture, for Road Aggregate, Making natural cement, Steel Production
Cement Manufacture, for Road Aggregate, Making natural cement, Steel Production

Medical Industry

-
In Chemical and Pharmaceutical Industry, Manufacture of Aspirins

Antiquity Uses

Artifacts
-

Other Uses

Commercial Uses

Alumina Refineries, Electricity Generation, Liquid Fuel, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Paper Industry
Alumina Refineries, Electricity Generation, Liquid Fuel, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Paper Industry

Types

Types

Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite
Semi-anthracite and Meta-anthracite

Features

Helps in production of Heat and Electricity, Used as fossil fuel
Helps in production of Heat and Electricity, Used as fossil fuel

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Present
Absent

Formation

Formation

Coal forms from the accumulation of plant debris in a swamp environment which is buried by sediments such as mud or sand and then compacted to form coal.
Anthracite forms from the accumulation of plant debris in a swamp environment. When plant debris dies and falls into the swamp, the standing water of the swamp protects it from decay.

Composition

Mineral Content

Analcime, Apatite, Barite, Calcite, Chalcopyrite, Chlorite, Chromite, Clausthalite, Clay Minerals, Crandallite Group, Dolomite, Feldspar, Galena, Gypsum, Marcasite, Muscovite or Illite, Pyrite, Quartz, Siderite, Sphalerite, Zircon
Calcite, Clay, Clay Minerals

Compound Content

Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur
Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur

Transformation

Metamorphism

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

-
-

Erosion

Types of Erosion

-
-

Properties

Physical Properties

Hardness

1-1.51-1.5
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Medium to Fine Coarse Grained

Fracture

Conchoidal
Conchoidal

Streak

Black
Black

Porosity

Less Porous
Less Porous

Luster

Dull to Vitreous to Submetallic
Shiny

Compressive Strength

--
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
-

Specific Gravity

1.1-1.41.1-1.4
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

1100-1400 g/cm31.25-2.5 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

1.32 kJ/Kg K1.32 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant
Heat Resistant, Water Resistant

Reserves

Deposits in Eastern Continents

Asia

Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam

Africa

Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania

Europe

Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom

Others

-
-

Deposits in Western Continents

North America

Canada, Mexico, USA
Canada, Mexico, USA

South America

Brazil, Chile, Colombia, Venezuela
Brazil, Chile, Colombia, Venezuela

Deposits in Oceania Continent

Australia

New South Wales, Queensland, Victoria
New South Wales, Queensland, Victoria

Coal vs Anthracite Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Coal and Anthracite Reserves. Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Coal vs Anthracite information and Coal vs Anthracite characteristics in the upcoming sections.

Coal vs Anthracite Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Coal vs Anthracite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Coal and Properties of Anthracite. Learn more about Coal vs Anthracite in the next section. The interior uses of Coal include whereas the interior uses of Anthracite include . Due to some exceptional properties of Coal and Anthracite, they have various applications in construction industry. The uses of Coal in construction industry include Cement manufacture, For road aggregate, Making natural cement, Steel production and that of Anthracite include Cement manufacture, For road aggregate, Making natural cement, Steel production.

More about Coal and Anthracite

Here you can know more about Coal and Anthracite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Coal and Anthracite consists of mineral content and compound content. The mineral content of Coal includes Analcime, Apatite, Barite, Calcite, Chalcopyrite, Chlorite, Chromite, Clausthalite, Clay Minerals, Crandallite Group, Dolomite, Feldspar, Galena, Gypsum, Marcasite, Muscovite or Illite, Pyrite, Quartz, Siderite, Sphalerite, Zircon and mineral content of Anthracite includes Calcite, Clay, Clay Minerals. You can also check out the list of all Sedimentary Rocks. When we have to compare Coal vs Anthracite, the texture, color and appearance plays an important role in determining the type of rock. Coal is available in black, brown, dark brown, grey, light to dark grey colors whereas, Anthracite is available in black, brown, dark brown, grey, light to dark grey colors. Appearance of Coal is Veined or Pebbled and that of Anthracite is Veined or Pebbled. Properties of rock is another aspect for Coal vs Anthracite. Hardness of Coal and Anthracite is 1-1.5. The types of Coal are Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite whereas types of Anthracite are Semi-anthracite and Meta-anthracite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Coal and Anthracite is black. The specific heat capacity of Coal is 1.32 kJ/Kg K and that of Anthracite is 1.32 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Coal is heat resistant whereas Anthracite is heat resistant, water resistant.