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Anthracite vs Evaporite


Evaporite vs Anthracite


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
No  
Yes  

Scratch Resistant
No  
No  

Stain Resistant
No  
No  

Wind Resistant
No  
Yes  

Acid Resistant
No  
No  

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
Yes  
Yes  

Types of Metamorphism
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism  
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism  

Weathering
No  
No  

Types of Weathering
-  
-  

Erosion
No  
No  

Types of Erosion
-  
-  

Properties

Physical Properties
  
  

Hardness
1-1.5  
2-3  

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  
8

Cleavage
-  
Perfect  

Toughness
-  
-  

Specific Gravity
1.1-1.4  
2.86-2.99  

Transparency
Opaque  
Translucent  

Density
1.25-2.5 g/cm3  
2.8-2.9 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
1.32 kJ/Kg K  
4
0.92 kJ/Kg K  
10

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  

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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.

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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.

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