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Lignite vs Evaporite


Evaporite vs Lignite


Definition

Definition
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat  
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution  

History
  
  

Origin
France  
USA  

Discoverer
Unknown  
Usiglio  

Etymology
From French, Latin lignum wood + -ite1  
From a sediment left after the evaporation  

Class
Sedimentary 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
for Road Aggregate, 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
-  
Taken as a Supplement for Calcium or Magnesium  

Antiquity Uses
-  
Artifacts  

Other Uses
  
  

Commercial Uses
Electricity Generation  
Used in the manufacture of Ceramic Powder, Used in the preparation of Sulfuric Acid and Silicon Diborite  

Types

Types
Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite  
Sedimentary rock  

Features
Generally rough to touch, 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
Present  
Present  

Formation

Formation
Coal formation takes place due to accumulation of plant debris in a swamp environment. The Coal formation process continues, as peat turns into lignite brown or black coal at increasing heat and pressure.  
Evaporite is water-soluble mineral sediment which forms from concentration and crystallization by evaporation from an aqueous solution.  

Composition
  
  

Mineral Content
-  
Calcite, Cancrinite, Gypsum, Kyanite, Magnetite  

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

Transformation
  
  

Metamorphism
No  
Yes  

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

Weathering
Yes  
No  

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering  
-  

Erosion
Yes  
No  

Types of Erosion
Chemical Erosion, Water Erosion, Wind Erosion  
-  

Properties

Physical Properties
  
  

Hardness
1  
2-3  

Grain Size
Medium to Fine Coarse Grained  
Medium to Fine Coarse Grained  

Fracture
Conchoidal  
Conchoidal  

Streak
Black  
White  

Porosity
Highly Porous  
Less Porous  

Luster
Dull to Vitreous to Submetallic  
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
800-801 g/cm3  
2.8-2.9 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
1.26 kJ/Kg K  
5
0.92 kJ/Kg K  
10

Resistance
Heat 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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Lignite 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 Lignite and Evaporite Reserves. Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat. 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 Lignite vs Evaporite information and Lignite vs Evaporite characteristics in the upcoming sections.

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Lignite 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. Lignite vs Evaporite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Lignite and Properties of Evaporite. Learn more about Lignite vs Evaporite in the next section. The interior uses of Lignite include whereas the interior uses of Evaporite include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration. Due to some exceptional properties of Lignite and Evaporite, they have various applications in construction industry. The uses of Lignite in construction industry include For road aggregate, 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 Lignite and Evaporite

Here you can know more about Lignite and Evaporite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Lignite and Evaporite consists of mineral content and compound content. The mineral content of Lignite includes and mineral content of Evaporite includes Calcite, Cancrinite, Gypsum, Kyanite, Magnetite. You can also check out the list of all Sedimentary Rocks. When we have to compare Lignite vs Evaporite, the texture, color and appearance plays an important role in determining the type of rock. Lignite 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 Lignite is Veined or Pebbled and that of Evaporite is Glassy, Vesicular and Foilated. Properties of rock is another aspect for Lignite vs Evaporite. The hardness of Lignite is 1 and that of Evaporite is 2-3. The types of Lignite are Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite 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 Lignite is black while that of Evaporite is white. The specific heat capacity of Lignite is 1.26 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.Lignite is heat resistant whereas Evaporite is heat resistant, pressure resistant.

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