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Coal vs Quartzite


Quartzite vs Coal


Definition

Definition
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds  
Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone  

History
  
  

Origin
USA  
-  

Discoverer
John Peter Salley  
Unknown  

Etymology
From the Old English term col, which has meant mineral of fossilized carbon since the 13th century  
From quartz + -ite  

Class
Sedimentary Rocks  
Metamorphic Rocks  

Sub-Class
Durable Rock, Soft Rock  
Durable Rock, Hard Rock  

Family
  
  

Group
-  
-  

Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock  
Medium Grained Rock, Opaque Rock  

Texture

Texture
Amorphous, Glassy  
Foliated, Granular  

Color
Black, Brown, Dark Brown, Grey, Light to Dark Grey  
Black, Blue, Brown, Green, Light Grey, Purple, White, Yellow  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
No  
Yes  

Scratch Resistant
No  
Yes  

Stain Resistant
No  
Yes  

Wind Resistant
No  
Yes  

Acid Resistant
No  
Yes  

Appearance
Veined or Pebbled  
Lustrous  

Uses

Architecture
  
  

Interior Uses
-  
Countertops, Decorative Aggregates, Flooring, Homes  

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  
Arrowheads, As Dimension Stone, Cement Manufacture, Construction Aggregate, Cutting Tool, for Road Aggregate, Making natural cement, Production of Glass and Ceramics, Rail Track Ballast, Roadstone  

Medical Industry
-  
-  

Antiquity Uses
Artifacts  
Artifacts, Jewellery, Monuments, Sculpture  

Other Uses
  
  

Commercial Uses
Alumina Refineries, Electricity Generation, Liquid Fuel, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Paper Industry  
An Oil and Gas Reservoir, As armour rock for sea walls, Cemetery Markers, Commemorative Tablets, In aquifers, Laboratory bench tops, Petroleum reservoirs, Soil Conditioner, Source of Magnesia (MgO), Tombstones, Used in aquariums  

Types

Types
Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite  
Orthoquartzite and Metaquartzite  

Features
Helps in production of Heat and Electricity, Used as fossil fuel  
Generally rough to touch, Is one of the oldest rock  

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.  
Quartzite forms from sandstone and the mineral quartz being put under extreme heat and pressure.   

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  
Chlorite, Epidote, Hematite, Kyanite, Magnetite, Muscovite or Illite, Quartz  

Compound Content
Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur  
Aluminium Oxide, CaO, Iron(III) Oxide, MgO, Sodium Oxide, Silicon Dioxide  

Transformation
  
  

Metamorphism
Yes  
Yes  

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism  
Burial Metamorphism, Cataclastic Metamorphism, Hydrothermal Metamorphism, Regional Metamorphism  

Weathering
No  
Yes  

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

Erosion
No  
Yes  

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

Properties

Physical Properties
  
  

Hardness
1-1.5  
6-7  

Grain Size
Medium to Fine Coarse Grained  
Medium Grained  

Fracture
Conchoidal  
Uneven, Splintery or Conchoidal  

Streak
Black  
White  

Porosity
Less Porous  
Less Porous  

Luster
Dull to Vitreous to Submetallic  
Vitreous  

Compressive Strength
-  
115.00 N/mm2  
27

Cleavage
-  
Indiscernible  

Toughness
-  
1.9  

Specific Gravity
1.1-1.4  
2.6-2.8  

Transparency
Opaque  
Transparent to Translucent  

Density
1100-1400 g/cm3  
2.32-2.42 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
1.32 kJ/Kg K  
4
0.75 kJ/Kg K  
20

Resistance
Heat Resistant  
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant  

Reserves

Deposits in Eastern Continents
  
  

Asia
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam  
China, India, Israel, Russia, South Korea, Thailand, Turkey  

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

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

Others
-  
Greenland  

Deposits in Western Continents
  
  

North America
Canada, Mexico, USA  
Bahamas, Canada, USA  

South America
Brazil, Chile, Colombia, Venezuela  
Brazil, Colombia, Venezuela  

Deposits in Oceania Continent
  
  

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

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Coal vs Quartzite 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 Quartzite Reserves. Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone. 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 Quartzite information and Coal vs Quartzite characteristics in the upcoming sections.

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Coal vs Quartzite 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 Quartzite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Coal and Properties of Quartzite. Learn more about Coal vs Quartzite in the next section. The interior uses of Coal include whereas the interior uses of Quartzite include Countertops, Decorative aggregates, Flooring and Homes. Due to some exceptional properties of Coal and Quartzite, 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 Quartzite include Arrowheads, As dimension stone, Cement manufacture, Construction aggregate, Cutting tool, For road aggregate, Making natural cement, Production of glass and ceramics, Rail track ballast, Roadstone.

More about Coal and Quartzite

Here you can know more about Coal and Quartzite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Coal and Quartzite 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 Quartzite includes Chlorite, Epidote, Hematite, Kyanite, Magnetite, Muscovite or Illite, Quartz. You can also check out the list of all Sedimentary Rocks. When we have to compare Coal vs Quartzite, 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, Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. Appearance of Coal is Veined or Pebbled and that of Quartzite is Lustrous. Properties of rock is another aspect for Coal vs Quartzite. The hardness of Coal is 1-1.5 and that of Quartzite is 6-7. The types of Coal are Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite whereas types of Quartzite are Orthoquartzite and Metaquartzite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Coal is black while that of Quartzite is white. The specific heat capacity of Coal is 1.32 kJ/Kg K and that of Quartzite is 0.75 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 Quartzite is heat resistant, impact resistant, pressure resistant, wear resistant.

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