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Gabbro vs Blueschist


Blueschist vs Gabbro


Definition

Definition
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt   
Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature   

History
  
  

Origin
Germany   
USA   

Discoverer
Christian Leopold von Buch   
Edgar Bailey   

Etymology
From Latin glaber bare, smooth, bald   
From French schiste, Greek skhistos i.e. split   

Class
Igneous Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture

Texture
Phaneritic   
Foliated   

Color
Dark Grey to Black   
Blue, Bluish - Grey, Purple, Shades of Blue   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
No   

Scratch Resistant
Yes   
No   

Stain Resistant
Yes   
No   

Wind Resistant
Yes   
No   

Acid Resistant
Yes   
No   

Appearance
Veined and Shiny   
Dull and Banded   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
Not Yet Used   

Industry
  
  

Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate   
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture   
Artifacts, Monuments, Sculpture   

Other Uses
  
  

Commercial Uses
Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones   
Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling, Tombstones   

Types

Types
Not Available   
Not Available   

Features
Smooth to touch   
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
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Gabbro, a mafic rock, forms due to cooling and crystallization of magma underneath Earth's surface.   
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
Augite, Olivine, Plagioclase, Pyroxene   
Albite, Chlorite, Epidote, Garnet, Glaucophane, Lawsonite, Muscovite or Illite, Quartz   

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

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Impact Metamorphism   
Not Applicable   

Weathering
Yes   
Yes   

Types of Weathering
Chemical Weathering   
Mechanical Weathering   

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
7   
3.5-4   

Grain Size
Coarse Grained   
Fine to Medium Grained   

Fracture
Conchoidal   
Conchoidal   

Streak
Black   
White to Grey   

Porosity
Highly Porous   
Highly Porous   

Luster
Not Available   
Dull   

Compressive Strength
225.00 N/mm2   
7
Not Available   

Cleavage
Not Available   
Slaty   

Toughness
1.6   
1.5   

Specific Gravity
2.86-2.87   
3-3.2   

Transparency
Opaque   
Opaque   

Density
2.7-3.3 g/cm3   
2.8-2.9 g/cm3   

Thermal Properties
  
  

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia   
Japan, Turkey   

Africa
South Africa   
Egypt, Ethiopia, South Africa   

Europe
Germany, Greece, Italy, Scotland, Turkey   
France, Greece, Iceland   

Others
Greenland   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
USA   

South America
Brazil, Colombia, Venezuela   
Not Yet Found   

Deposits in Oceania Continent
  
  

Australia
New Zealand, Queensland   
New Zealand   

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Gabbro 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 Gabbro and Blueschist Reserves. Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt. 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 Gabbro vs Blueschist information and Gabbro vs Blueschist characteristics in the upcoming sections.

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

More about Gabbro and Blueschist

Here you can know more about Gabbro and Blueschist. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gabbro and Blueschist consists of mineral content and compound content. The mineral content of Gabbro includes Augite, Olivine, Plagioclase, Pyroxene 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 Igneous Rocks. When we have to compare Gabbro vs Blueschist, the texture, color and appearance plays an important role in determining the type of rock. Gabbro is available in dark grey to black colors whereas, Blueschist is available in blue, bluish - grey, purple, shades of blue colors. Appearance of Gabbro is Veined and Shiny and that of Blueschist is Dull and Banded. Properties of rock is another aspect for Gabbro vs Blueschist. The hardness of Gabbro is 7 and that of Blueschist is 3.5-4. The types of Gabbro 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 Gabbro is black while that of Blueschist is white to grey. The specific heat capacity of Gabbro is Not Available 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.Gabbro is impact resistant, pressure resistant, wear resistant whereas Blueschist is impact resistant, pressure resistant.

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