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Anthracite
Anthracite

Evaporite
Evaporite



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Anthracite
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Evaporite

Anthracite vs Evaporite

Definition

Definition

Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution

History

Origin

Pennsylvania, U.S.
USA

Discoverer

Unknown
Usiglio

Etymology

From Greek anthrakites, from anthrax, anthrak meaning coal
From a sediment left after the evaporation

Class

Metamorphic Rocks
Sedimentary 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
Earthy

Color

Black, Brown, Dark Brown, Grey, Light to Dark Grey
Green, Grey, Silver, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Veined or Pebbled
Glassy, Vesicular and Foilated

Uses

Architecture

Interior Uses

-
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration

Exterior Uses

-
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone

Other Architectural Uses

-
Curbing

Industry

Construction Industry

Cement Manufacture, for Road Aggregate, Making natural cement, Steel Production
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

Medical Industry

In Chemical and Pharmaceutical Industry, Manufacture of Aspirins
Taken as a Supplement for Calcium or Magnesium

Antiquity Uses

-
Artifacts

Other Uses

Commercial Uses

Alumina Refineries, Electricity Generation, Liquid Fuel, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Paper Industry
Used in the manufacture of Ceramic Powder, Used in the preparation of Sulfuric Acid and Silicon Diborite

Types

Types

Semi-anthracite and Meta-anthracite
Sedimentary rock

Features

Helps in production of Heat and Electricity, Used as fossil fuel
Generally rough to touch, Splintery, Veined

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Present

Formation

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.
Evaporite is water-soluble mineral sediment which forms from concentration and crystallization by evaporation from an aqueous solution.

Composition

Mineral Content

Calcite, Clay, Clay Minerals
Calcite, Cancrinite, Gypsum, Kyanite, Magnetite

Compound Content

Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur
CaMg(CO3)2, CaO, Calcium Sulfate, KCl, MgO, NaCl

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

-
-

Erosion

Types of Erosion

-
-

Properties

Physical Properties

Hardness

1-1.52-3
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Medium to Fine Coarse Grained

Fracture

Conchoidal
Conchoidal

Streak

Black
White

Porosity

Less Porous
Less Porous

Luster

Shiny
Subvitreous to Dull

Compressive Strength

-225.00 N/mm2
0.15 450
👆🏻

Cleavage

-
Perfect

Toughness

-
-

Specific Gravity

1.1-1.42.86-2.99
0 8.4
👆🏻

Transparency

Opaque
Translucent

Density

1.25-2.5 g/cm32.8-2.9 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

1.32 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Water Resistant
Heat Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

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

Africa

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
United Kingdom

Others

-
-

Deposits in Western Continents

North America

Canada, Mexico, USA
USA

South America

Brazil, Chile, Colombia, Venezuela
Colombia, Paraguay

Deposits in Oceania Continent

Australia

New South Wales, Queensland, Victoria
Central Australia, Western Australia

Anthracite vs Evaporite 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 Anthracite and Evaporite Reserves. Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution. 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 Anthracite vs Evaporite information and Anthracite vs Evaporite characteristics in the upcoming sections.

Anthracite vs Evaporite 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. Anthracite vs Evaporite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Anthracite and Properties of Evaporite. Learn more about Anthracite vs Evaporite in the next section. The interior uses of Anthracite include whereas the interior uses of Evaporite include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration. Due to some exceptional properties of Anthracite and Evaporite, they have various applications in construction industry. The uses of Anthracite in construction industry include Cement manufacture, For road aggregate, Making natural cement, Steel production and that of Evaporite include As a flux in the production of steel and pig iron, As a sintering agent in steel industry to process iron ore, As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories.

More about Anthracite and Evaporite

Here you can know more about Anthracite and Evaporite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Anthracite and Evaporite consists of mineral content and compound content. The mineral content of Anthracite includes Calcite, Clay, Clay Minerals and mineral content of Evaporite includes Calcite, Cancrinite, Gypsum, Kyanite, Magnetite. You can also check out the list of all Metamorphic Rocks. When we have to compare Anthracite vs Evaporite, the texture, color and appearance plays an important role in determining the type of rock. Anthracite is available in black, brown, dark brown, grey, light to dark grey colors whereas, Evaporite is available in green, grey, silver, white colors. Appearance of Anthracite is Veined or Pebbled and that of Evaporite is Glassy, Vesicular and Foilated. Properties of rock is another aspect for Anthracite vs Evaporite. The hardness of Anthracite is 1-1.5 and that of Evaporite is 2-3. The types of Anthracite are Semi-anthracite and Meta-anthracite whereas types of Evaporite are Sedimentary rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Anthracite is black while that of Evaporite is white. The specific heat capacity of Anthracite is 1.32 kJ/Kg K and that of Evaporite is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Anthracite is heat resistant, water resistant whereas Evaporite is heat resistant, pressure resistant.