Anthracite Rock

Anthracite

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1 Definition

1.1 Definition

Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster

1.2 History

1.2.1 Origin

Pennsylvania, U.S.

1.2.2 Discoverer

Unknown

1.3 Etymology

From Greek anthrakites, from anthrax, anthrak meaning coal

1.4 Class

Metamorphic Rocks

1.4.1 Sub-Class

Durable Rock, Soft Rock

1.5 Family

1.5.1 Group

Not Applicable

1.6 Other Categories

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

2 Texture

2.1 Texture

Amorphous, Glassy

2.2 Color

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

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

81% Metamorphic Rocks Rocks have it !

2.4.2 Scratch Resistant

✔ ✘

65% Metamorphic Rocks Rocks have it !

2.4.3 Stain Resistant

✔ ✘

42% Metamorphic Rocks Rocks have it !

2.4.4 Wind Resistant

✔ ✘

19% Metamorphic Rocks Rocks have it !

2.4.5 Acid Resistant

✔ ✘

15% Metamorphic Rocks Rocks have it !

2.5 Appearance

Veined or Pebbled

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Not Yet Used

3.1.2 Exterior Uses

Not Yet Used

3.1.3 Other Architectural Uses

Not Yet Used

3.2 Industry

3.2.1 Construction Industry

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

3.2.2 Medical Industry

In Chemical and Pharmaceutical Industry, Manufacture of Aspirins

3.3 Antiquity Uses

Not Yet Used

3.4 Other Uses

3.4.1 Commercial Uses

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

4 Types

4.1 Types

Semi-anthracite and Meta-anthracite

4.2 Features

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

4.3 Archaeological Significance

4.3.1 Monuments

Not Yet Used

4.3.2 Famous Monuments

Not Applicable

4.3.3 Sculpture

Not Yet Used

4.3.4 Famous Sculptures

Not Applicable

4.3.5 Pictographs

Used

4.3.6 Petroglyphs

Used

4.3.7 Figurines

Not Yet Used

4.4 Fossils

Absent

5 Formation

5.1 Formation

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.

5.2 Composition

5.2.1 Mineral Content

Calcite, Clay, Clay Minerals

5.2.2 Compound Content

Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

50% Metamorphic Rocks Rocks have it !

5.3.2 Types of Metamorphism

Burial Metamorphism, Contact Metamorphism, Regional Metamorphism

5.3.3 Weathering

✔ ✘

65% Metamorphic Rocks Rocks have it !

5.3.4 Types of Weathering

Not Applicable

5.3.5 Erosion

✔ ✘

77% Metamorphic Rocks Rocks have it !

5.3.6 Types of Erosion

Not Applicable

6 Properties

6.1 Physical Properties

6.1.1 Hardness

1-1.5

6.1.2 Grain Size

Medium to Fine Coarse Grained

6.1.3 Fracture

Conchoidal

6.1.4 Streak

Black

6.1.5 Porosity

Less Porous

6.1.6 Luster

Shiny

6.1.7 Compressive Strength

Flint

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▶

▼

Not Available

Rank: N/A (Overall)▶

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Obsidian

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▶

175 (Granite)

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6.1.8 Cleavage

Non-Existent

6.1.9 Toughness

Not Available

6.1.10 Specific Gravity

1.1-1.4

6.1.11 Transparency

Opaque

6.1.12 Density

1.25-2.5 g/cm³

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

Banded iron for..

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▶

▼

1.32 kJ/Kg K

Rank: 4 (Overall)▶

▲

Granulite

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▶

1.09 (Travertine)

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6.2.2 Resistance

Heat Resistant, Water Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

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

7.1.2 Africa

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

7.1.3 Europe

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

7.1.4 Others

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

Canada, Mexico, USA

7.2.2 South America

Brazil, Chile, Colombia, Venezuela

7.3 Deposits in Oceania Continent

7.3.1 Australia

New South Wales, Queensland, Victoria

Metamorphic Rocks » More

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Granulite

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Information about Anthracite

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Anthracite Uses. We have provided you with all information about Anthracite rock here. Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Anthracite is available in black, brown, dark brown, grey, light to dark grey colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Anthracite is black. Get to know more about Anthracite rock and characteristics of Anthracite rock in the next sections.