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Skarn vs Evaporite


Evaporite 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   
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution   

History
  
  

Origin
USA, Australia   
USA   

Discoverer
Tornebohm   
Usiglio   

Etymology
From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock.   
From a sediment left after the evaporation   

Class
Metamorphic Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture

Texture
Earthy, Mud-rich, Rough   
Earthy   

Color
Black, Brown, Colourless, Green, Grey, White   
Colourless, Green, Grey, Silver, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
No   

Stain Resistant
No   
No   

Wind Resistant
Yes   
Yes   

Acid Resistant
Yes   
No   

Appearance
Dull   
Glassy, Vesicular and Foilated   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Entryways, Interior Decoration   
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration   

Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone   
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone   

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 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
Not Applicable   
Taken as a Supplement for Calcium or Magnesium   

Antiquity Uses
Artifacts, Monuments, Sculpture   
Artifacts   

Other Uses
  
  

Commercial Uses
Creating Artwork, Gemstone, Jewelry, Metallurgical Flux, Source of Magnesia (MgO)   
Used in the manufacture of Ceramic Powder, Used in the preparation of Sulfuric Acid and Silicon Diborite   

Types

Types
Endoskarns   
Not Available   

Features
Host Rock for Lead, Zinc and Copper Deposits   
Generally rough to touch, Splintery, Veined   

Archaeological Significance
  
  

Monuments
Used   
Not Yet Used   

Famous Monuments
Data Not Available   
Not Applicable   

Sculpture
Used   
Not Yet Used   

Famous Sculptures
Data Not Available   
Not Applicable   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Used   
Not Yet Used   

Fossils
Absent   
Present   

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.   
Evaporite is water-soluble mineral sediment which forms from concentration and crystallization by evaporation from an aqueous solution.   

Composition
  
  

Mineral Content
Calcite, Enstatite, Epidote, Garnet, Magnetite, Pyroxene, Titanite   
Calcite, Cancrinite, Gypsum, Kyanite, Magnetite   

Compound Content
Au, CaO, Carbon Dioxide, Cu, Fe, MgO   
CaMg(CO3)2, CaO, Calcium Sulfate, KCl, MgO, NaCl   

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
No   
No   

Types of Weathering
Not Applicable   
Not Applicable   

Erosion
No   
No   

Types of Erosion
Not Applicable   
Not Applicable   

Properties

Physical Properties
  
  

Hardness
6.5   
2-3   

Grain Size
Fine Grained   
Medium to Fine Coarse Grained   

Fracture
Irregular   
Conchoidal   

Streak
Light to dark brown   
White   

Porosity
Less Porous   
Less Porous   

Luster
Waxy and Dull   
Subvitreous to Dull   

Compressive Strength
Not Available   
225.00 N/mm2   
7

Cleavage
Slaty   
Perfect   

Toughness
2.4   
Not Available   

Specific Gravity
2.86   
2.86-2.99   

Transparency
Opaque   
Translucent   

Density
2.8-2.9 g/cm3   
2.8-2.9 g/cm3   

Thermal Properties
  
  

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

Resistance
Heat Resistant   
Heat Resistant, Pressure Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka   
Not Available   

Africa
South Africa, Western Africa   
Not Available   

Europe
United Kingdom   
United Kingdom   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada   
USA   

South America
Brazil, Colombia, Paraguay   
Colombia, Paraguay   

Deposits in Oceania Continent
  
  

Australia
Central Australia, Western Australia   
Central Australia, Western Australia   

Definition >>
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Skarn 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 Skarn and Evaporite 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. 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 Skarn vs Evaporite information and Skarn vs Evaporite characteristics in the upcoming sections.

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Skarn 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. Skarn vs Evaporite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Skarn and Properties of Evaporite. Learn more about Skarn vs Evaporite in the next section. The interior uses of Skarn include Decorative aggregates, Entryways and Interior decoration whereas the interior uses of Evaporite include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration. Due to some exceptional properties of Skarn and Evaporite, 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 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 Skarn and Evaporite

Here you can know more about Skarn and Evaporite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Skarn and Evaporite consists of mineral content and compound content. The mineral content of Skarn includes Calcite, Enstatite, Epidote, Garnet, Magnetite, Pyroxene, Titanite 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 Skarn vs Evaporite, 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, Evaporite is available in colourless, green, grey, silver, white colors. Appearance of Skarn is Dull and that of Evaporite is Glassy, Vesicular and Foilated. Properties of rock is another aspect for Skarn vs Evaporite. The hardness of Skarn is 6.5 and that of Evaporite is 2-3. The types of Skarn are Endoskarns whereas types of Evaporite are Not Available. 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 Evaporite is white. The specific heat capacity of Skarn is 0.92 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.Skarn is heat resistant whereas Evaporite is heat resistant, pressure resistant.

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