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Anthracite vs Schist


Schist vs Anthracite


Definition

Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster  
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation  

History
  
  

Origin
Pennsylvania, U.S.  
-  

Discoverer
Unknown  
Unknown  

Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal  
From French schiste, Greek skhistos i.e. split  

Class
Metamorphic Rocks  
Metamorphic Rocks  

Sub-Class
Durable Rock, Soft Rock  
Durable Rock, Medium Hardness 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  
Foliated, Platy  

Color
Black, Brown, Dark Brown, Grey, Light to Dark Grey  
Black, Blue, Brown, Dark Brown, Green, Grey, Silver  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
No  
Yes  

Scratch Resistant
No  
No  

Stain Resistant
No  
No  

Wind Resistant
No  
No  

Acid Resistant
No  
No  

Appearance
Veined or Pebbled  
Layered and Shiny  

Uses

Architecture
  
  

Interior Uses
-  
Decorative Aggregates, Floor Tiles, Interior Decoration  

Exterior Uses
-  
Garden Decoration, Paving Stone  

Other Architectural Uses
-  
-  

Industry
  
  

Construction Industry
Cement Manufacture, for Road Aggregate, Making natural cement, Steel Production  
As Dimension Stone, Building houses or walls, Cement Manufacture, for Road Aggregate, Roadstone  

Medical Industry
In Chemical and Pharmaceutical Industry, Manufacture of Aspirins  
-  

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 aquariums, Writing Slates  

Types

Types
Semi-anthracite and Meta-anthracite  
Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist.  

Features
Helps in production of Heat and Electricity, Used as fossil fuel  
Easily splits into thin plates, Smooth to touch  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

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.   
Schist formed by dynamic metamorphism at high temperatures and pressures that aligns the grains of mica, hornblende and other elongated minerals into thin layers.  

Composition
  
  

Mineral Content
Calcite, Clay, Clay Minerals  
Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc  

Compound Content
Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur  
CaO, Carbon Dioxide, MgO  

Transformation
  
  

Metamorphism
Yes  
No  

Types of Metamorphism
Burial Metamorphism, Contact 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, Glacier Erosion  

Properties

Physical Properties
  
  

Hardness
1-1.5  
3.5-4  

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

Fracture
Conchoidal  
Conchoidal  

Streak
Black  
White  

Porosity
Less Porous  
Highly Porous  

Luster
Shiny  
Shiny  

Compressive Strength
-  
150.00 N/mm2  
22

Cleavage
-  
Slaty  

Toughness
-  
1.5  

Specific Gravity
1.1-1.4  
2.5-2.9  

Transparency
Opaque  
Opaque  

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

Thermal Properties
  
  

Specific Heat Capacity
1.32 kJ/Kg K  
4
0.70 kJ/Kg K  
24

Resistance
Heat Resistant, Water Resistant  
Impact Resistant, Pressure Resistant, Water Resistant  

Reserves

Deposits in Eastern Continents
  
  

Asia
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam  
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam  

Africa
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania  
Egypt, Ethiopia, Morocco, Nigeria, South Africa  

Europe
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom  
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland  

Others
-  
-  

Deposits in Western Continents
  
  

North America
Canada, Mexico, USA  
Canada, Costa Rica, Cuba, Mexico, Panama, USA  

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

Deposits in Oceania Continent
  
  

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

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Anthracite vs Schist 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 Schist Reserves. Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. 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 Schist information and Anthracite vs Schist characteristics in the upcoming sections.

Compare Metamorphic Rocks

Anthracite vs Schist 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 Schist characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Anthracite and Properties of Schist. Learn more about Anthracite vs Schist in the next section. The interior uses of Anthracite include whereas the interior uses of Schist include Decorative aggregates, Floor tiles and Interior decoration. Due to some exceptional properties of Anthracite and Schist, 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 Schist include As dimension stone, Building houses or walls, Cement manufacture, For road aggregate, Roadstone.

More about Anthracite and Schist

Here you can know more about Anthracite and Schist. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Anthracite and Schist consists of mineral content and compound content. The mineral content of Anthracite includes Calcite, Clay, Clay Minerals and mineral content of Schist includes Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc. You can also check out the list of all Metamorphic Rocks. When we have to compare Anthracite vs Schist, 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, Schist is available in black, blue, brown, dark brown, green, grey, silver colors. Appearance of Anthracite is Veined or Pebbled and that of Schist is Layered and Shiny. Properties of rock is another aspect for Anthracite vs Schist. The hardness of Anthracite is 1-1.5 and that of Schist is 3.5-4. The types of Anthracite are Semi-anthracite and Meta-anthracite whereas types of Schist are Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist.. 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 Schist is white. The specific heat capacity of Anthracite is 1.32 kJ/Kg K and that of Schist is 0.70 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 Schist is impact resistant, pressure resistant, water resistant.

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