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Skarn vs Granite


Granite vs Skarn


Definition

Definition
Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin   
Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone   

History
  
  

Origin
USA, Australia   
Unknown   

Discoverer
Tornebohm   
Unknown   

Etymology
From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock.   
From Italian granito, which means grained rock, from grano grain, and from Latin granum   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture

Texture
Earthy, Mud-rich, Rough   
Granular, Phaneritic   

Color
Black, Brown, Colourless, Green, Grey, White   
Black, Grey, Orange, Pink, White   

Maintenance
Less   
More   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
Yes   
Yes   

Acid Resistant
Yes   
No   

Appearance
Dull   
Veined or Pebbled   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Entryways, Interior Decoration   
Countertops, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads   

Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone   
As Building Stone, As Facing Stone, Bridges, Paving Stone, Garden Decoration, Near Swimming Pools, Office Buildings, Resorts   

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
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, Gold and Silver production, Manufacture of Magnesium and Dolomite Refractories   
As Dimension Stone   

Medical Industry
Not Applicable   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture   
Monuments, Sculpture, Small Figurines   

Other Uses
  
  

Commercial Uses
Creating Artwork, Gemstone, Jewelry, Metallurgical Flux, Source of Magnesia (MgO)   
Curling, Gemstone, Laboratory bench tops, Tombstones, Used in aquariums   

Types

Types
Endoskarns   
Igneous Protolith Granite, Sedimentary Protolith Granite, Mantle Granite, Anorogenic Granite, Hybrid Granite, Granodiorite and Alkali Feldspar Granite   

Features
Host Rock for Lead, Zinc and Copper Deposits   
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Agia Sophia in Istanbul, Turkey, Blue Domed Church in Santorini, Greece, Blue Mosque in Istanbul, Charminar in Hyderabad, India, Diana, Princess of Wales Memorial Fountain in London, UK, Ephesus in Turkey, Georgia Guidestones in Georgia, US, Hermitage in Saint Petersburg, Khajuraho Temples, India, Mahabalipuram in Tamil Nadu, India, Mysore Palace in Karnataka, India, Signers Monument in Augusta, Georgia, Statue of Liberty in New York, USA, Taj Mahal in Agra, India, Tower Bridge in London, Vietnam Veterans Memorial in Washington, US, Washington Monument, US   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Avukana Buddha Statue in Sri Lanka, Lincoln Memorial in America, Mount Rushmore National Memorial in South Dakota, US, The Colossal Red Granite Statue of Amenhotep III in Karnak, Egypt   

Pictographs
Not Used   
Not Used   

Petroglyphs
Not Used   
Not Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Skarn is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.   
Granite is an intrusive igneous rock which is very hard, crystalline and is visibly homogeneous in texture and forms by melting of continental rocks   

Composition
  
  

Mineral Content
Calcite, Enstatite, Epidote, Garnet, Magnetite, Pyroxene, Titanite   
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz   

Compound Content
Au, CaO, Carbon Dioxide, Cu, Fe, MgO   
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
No   
Yes   

Types of Weathering
Not Applicable   
Biological Weathering   

Erosion
No   
Yes   

Types of Erosion
Not Applicable   
Chemical Erosion, Sea Erosion, Water Erosion   

Properties

Physical Properties
  
  

Hardness
6.5   
6-7   

Grain Size
Fine Grained   
Large and Coarse Grained   

Fracture
Irregular   
Not Available   

Streak
Light to dark brown   
White   

Porosity
Less Porous   
Less Porous   

Luster
Waxy and Dull   
Dull to Grainy with Sporadic parts Pearly and Vitreous   

Compressive Strength
Not Available   
175.00 N/mm2   
13

Cleavage
Slaty   
Not Available   

Toughness
2.4   
Not Available   

Specific Gravity
2.86   
2.6-2.7   

Transparency
Opaque   
Opaque   

Density
2.8-2.9 g/cm3   
2.65-2.75 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.92 kJ/Kg K   
10
0.79 kJ/Kg K   
16

Resistance
Heat Resistant   
Heat Resistant, Wear Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka   
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam   

Africa
South Africa, Western Africa   
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa   

Europe
United Kingdom   
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada   
Canada, USA   

South America
Brazil, Colombia, Paraguay   
Not Yet Found   

Deposits in Oceania Continent
  
  

Australia
Central Australia, Western Australia   
Not Yet Found   

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Skarn vs Granite 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 Skarn and Granite Reserves. Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin. Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. 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 Skarn vs Granite information and Skarn vs Granite characteristics in the upcoming sections.

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Skarn vs Granite 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. Skarn vs Granite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Skarn and Properties of Granite. Learn more about Skarn vs Granite in the next section. The interior uses of Skarn include Decorative aggregates, Entryways and Interior decoration whereas the interior uses of Granite include Countertops, Decorative aggregates, Entryways, Floor tiles, Flooring, Homes, Hotels, Interior decoration, Kitchens and Stair treads. Due to some exceptional properties of Skarn and Granite, they have various applications in construction industry. The uses of Skarn in construction industry 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, Gold and silver production, Manufacture of magnesium and dolomite refractories and that of Granite include As dimension stone.

More about Skarn and Granite

Here you can know more about Skarn and Granite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Skarn and Granite consists of mineral content and compound content. The mineral content of Skarn includes Calcite, Enstatite, Epidote, Garnet, Magnetite, Pyroxene, Titanite and mineral content of Granite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Skarn vs Granite, the texture, color and appearance plays an important role in determining the type of rock. Skarn is available in black, brown, colourless, green, grey, white colors whereas, Granite is available in black, grey, orange, pink, white colors. Appearance of Skarn is Dull and that of Granite is Veined or Pebbled. Properties of rock is another aspect for Skarn vs Granite. The hardness of Skarn is 6.5 and that of Granite is 6-7. The types of Skarn are Endoskarns whereas types of Granite are Igneous Protolith Granite, Sedimentary Protolith Granite, Mantle Granite, Anorogenic Granite, Hybrid Granite, Granodiorite and Alkali Feldspar Granite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Skarn is light to dark brown while that of Granite is white. The specific heat capacity of Skarn is 0.92 kJ/Kg K and that of Granite is 0.79 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Skarn is heat resistant whereas Granite is heat resistant, wear resistant.

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