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Adakite vs Pyroxenite


Pyroxenite vs Adakite


Definition

Definition
Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs   
Pyroxenite is a dark, greenish, granular intrusive igneous rock consisting mainly of pyroxenes and olivine   

History
  
  

Origin
Adak, Aleutian Islands   
Unknown   

Discoverer
Defant and Drummond   
Unknown   

Etymology
From Adak, Aleutian Islands   
From pyro- fire + Greek xenos stranger as the mineral group was new to igneous rocks   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture

Texture
Porphyritic   
Clastic, Granular, Phaneritic, Porphyritic   

Color
Black, Brown, Light to Dark Grey   
Black to Grey, Bluish - Grey, Dark Greenish - Grey, Green, Light Greenish Grey   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
Yes   
Yes   

Acid Resistant
Yes   
Yes   

Appearance
Dull and Soft   
Layered, Banded, Veined and Shiny   

Uses

Architecture
  
  

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

Exterior Uses
As Building Stone, As Facing Stone, Office Buildings   
As Building Stone, As Facing Stone   

Other Architectural Uses
Whetstones   
Curbing   

Industry
  
  

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

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Monuments, Sculpture, Small Figurines   
Artifacts   

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Pottery, Used in aquariums   
Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones   

Types

Types
Not Available   
Clinopyroxenites, Orthopyroxenites and Websterites   

Features
Has High structural resistance against erosion and climate, Host rock for Diamond, Very fine grained rock   
Generally rough to touch, Host rock for Diamond, Is one of the oldest rock   

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
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Used   
Not Yet Used   

Fossils
Absent   
Absent   

Formation

Formation
Adakite rocks are formed when the hydrous fluids are released from minerals that break down in metamorphosed basalt, and rise into the mantle they initiate partial melting.   
Pyroxenites are ultramafic igneous rocks which are made up of minerals of the pyroxene group, such as augite and diopside, hypersthene, bronzite or enstatite.   

Composition
  
  

Mineral Content
Olivine, Plagioclase, Pyroxene   
Amphibole, Augite, Bronzite, Chromite, Diopside, Enstatite, Garnet, Hornblende, Hypersthene, Magnetite, Pyroxene   

Compound Content
Aluminium Oxide, MgO, Silicon Dioxide   
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

Types of Erosion
Coastal Erosion, Sea Erosion, Water Erosion   
Chemical Erosion, Coastal Erosion, Water Erosion   

Properties

Physical Properties
  
  

Hardness
3-4   
7   

Grain Size
Fine to Medium Grained   
Coarse Grained   

Fracture
Conchoidal   
Uneven   

Streak
Bluish Black   
White, Greenish White or Grey   

Porosity
Less Porous   
Less Porous   

Luster
Grainy, Pearly and Vitreous   
Dull to Vitreous to Submetallic   

Cleavage
Not Available   
Irregular   

Toughness
Not Available   
Not Available   

Specific Gravity
Not Available   
3.2-3.5   

Transparency
Opaque   
Opaque   

Density
Not Available   
3.1-3.6 g/cm3   

Thermal Properties
  
  

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia   
India, Russia   

Africa
Ethiopia, Somalia, South Africa   
South Africa   

Europe
Iceland   
Germany, Greece, Italy, Scotland, Turkey   

Others
Not Yet Found   
Greenland   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Brazil   
Brazil, Colombia, Venezuela   

Deposits in Oceania Continent
  
  

Australia
Not Yet Found   
New Zealand, Queensland   

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Adakite vs Pyroxenite 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 Adakite and Pyroxenite Reserves. Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Pyroxenite is a dark, greenish, granular intrusive igneous rock consisting mainly of pyroxenes and olivine. 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 Adakite vs Pyroxenite information and Adakite vs Pyroxenite characteristics in the upcoming sections.

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

More about Adakite and Pyroxenite

Here you can know more about Adakite and Pyroxenite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Adakite and Pyroxenite consists of mineral content and compound content. The mineral content of Adakite includes Olivine, Plagioclase, Pyroxene and mineral content of Pyroxenite includes Amphibole, Augite, Bronzite, Chromite, Diopside, Enstatite, Garnet, Hornblende, Hypersthene, Magnetite, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Adakite vs Pyroxenite, the texture, color and appearance plays an important role in determining the type of rock. Adakite is available in black, brown, light to dark grey colors whereas, Pyroxenite is available in black to grey, bluish - grey, dark greenish - grey, green, light greenish grey colors. Appearance of Adakite is Dull and Soft and that of Pyroxenite is Layered, Banded, Veined and Shiny. Properties of rock is another aspect for Adakite vs Pyroxenite. The hardness of Adakite is 3-4 and that of Pyroxenite is 7. The types of Adakite are Not Available whereas types of Pyroxenite are Clinopyroxenites, Orthopyroxenites and Websterites. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Adakite is bluish black while that of Pyroxenite is white, greenish white or grey. The specific heat capacity of Adakite is Not Available and that of Pyroxenite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Adakite is heat resistant, pressure resistant, wear resistant whereas Pyroxenite is impact resistant, pressure resistant, wear resistant.

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