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Whiteschist vs Blueschist


Blueschist vs Whiteschist


Definition

Definition
Whiteschist is an uncommon rock type belonging to a class of metamorphic rock, this is formed at high-ultra-high pressures   
Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature   

History
  
  

Origin
Tasmania   
USA   

Discoverer
Unknown   
Edgar Bailey   

Etymology
From French schiste, Greek skhistos i.e. split   
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
Not Applicable   
Not Applicable   

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

Texture

Texture
Foliated   
Foliated   

Color
Colourless, Green, Grey, White   
Blue, Bluish - Grey, Purple, Shades of Blue   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
No   

Scratch Resistant
Yes   
No   

Stain Resistant
Yes   
No   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Banded and Foilated   
Dull and Banded   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Interior Decoration   
Floor Tiles, Flooring, Homes, Hotels, Kitchens   

Exterior Uses
Garden Decoration, Paving Stone   
Garden Decoration, Office Buildings   

Other Architectural Uses
Curbing   
Not Yet Used   

Industry
  
  

Construction Industry
for Road Aggregate   
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone   

Medical Industry
Not Yet Used   
Not Yet Used   

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

Other Uses
  
  

Commercial Uses
Creating Artwork, Gemstone, Jewelry, Production of Lime   
Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling, Tombstones   

Types

Types
Not Available   
Not Available   

Features
High percentage of mica, Host Rock for Lead   
Has High structural resistance against erosion and climate, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Whiteschist is formed by dynamic metamorphism at high temperatures and pressures that aligns the grains of mica, hornblende and other elongated minerals into thin layers.   
Blueschist forms due to the metamorphism of basalt and other rocks with similar composition at high pressures and low temperatures and approximately corresponding to a depth of 15 to 30 kilometers and 200 to 500 °C.   

Composition
  
  

Mineral Content
Carbonate, Coesite, Quartz, Silica   
Albite, Chlorite, Epidote, Garnet, Glaucophane, Lawsonite, Muscovite or Illite, Quartz   

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

Transformation
  
  

Metamorphism
No   
No   

Types of Metamorphism
Not Applicable   
Not Applicable   

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
1.5   
3.5-4   

Grain Size
Fine to Medium Grained   
Fine to Medium Grained   

Fracture
Conchoidal   
Conchoidal   

Streak
White   
White to Grey   

Porosity
Less Porous   
Highly Porous   

Luster
Subvitreous to Dull   
Dull   

Compressive Strength
200.00 N/mm2   
10
Not Available   

Cleavage
Perfect   
Slaty   

Toughness
1   
1.5   

Specific Gravity
2.86   
3-3.2   

Transparency
Opaque   
Opaque   

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

Thermal Properties
  
  

Specific Heat Capacity
0.92 kJ/Kg K   
10
Not Available   

Resistance
Heat Resistant   
Impact Resistant, Pressure Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam   
Japan, Turkey   

Africa
Egypt, Ethiopia, Morocco, Nigeria, South Africa   
Egypt, Ethiopia, South Africa   

Europe
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland   
France, Greece, Iceland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

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

South America
Brazil, Colombia, Guyana   
Not Yet Found   

Deposits in Oceania Continent
  
  

Australia
New South Wales, New Zealand, Queensland   
New Zealand   

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Whiteschist vs Blueschist 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 Whiteschist and Blueschist Reserves. Whiteschist is an uncommon rock type belonging to a class of metamorphic rock, this is formed at high-ultra-high pressures. Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature. 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 Whiteschist vs Blueschist information and Whiteschist vs Blueschist characteristics in the upcoming sections.

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Whiteschist vs Blueschist 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. Whiteschist vs Blueschist characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Whiteschist and Properties of Blueschist. Learn more about Whiteschist vs Blueschist in the next section. The interior uses of Whiteschist include Decorative aggregates and Interior decoration whereas the interior uses of Blueschist include Floor tiles, Flooring, Homes, Hotels and Kitchens. Due to some exceptional properties of Whiteschist and Blueschist, they have various applications in construction industry. The uses of Whiteschist in construction industry include For road aggregate and that of Blueschist include As dimension stone, Cobblestones, Rail track ballast, Roadstone.

More about Whiteschist and Blueschist

Here you can know more about Whiteschist and Blueschist. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Whiteschist and Blueschist consists of mineral content and compound content. The mineral content of Whiteschist includes Carbonate, Coesite, Quartz, Silica and mineral content of Blueschist includes Albite, Chlorite, Epidote, Garnet, Glaucophane, Lawsonite, Muscovite or Illite, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Whiteschist vs Blueschist, the texture, color and appearance plays an important role in determining the type of rock. Whiteschist is available in colourless, green, grey, white colors whereas, Blueschist is available in blue, bluish - grey, purple, shades of blue colors. Appearance of Whiteschist is Banded and Foilated and that of Blueschist is Dull and Banded. Properties of rock is another aspect for Whiteschist vs Blueschist. The hardness of Whiteschist is 1.5 and that of Blueschist is 3.5-4. The types of Whiteschist are Not Available whereas types of Blueschist are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Whiteschist is white while that of Blueschist is white to grey. The specific heat capacity of Whiteschist is 0.92 kJ/Kg K and that of Blueschist is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Whiteschist is heat resistant whereas Blueschist is impact resistant, pressure resistant.

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