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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  
-  

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
-  
-  

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
Intermediate volcanic rock  
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
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

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  

Compressive Strength
200.00 N/mm2  
13
150.00 N/mm2  
22

Cleavage
-  
-  

Toughness
-  
-  

Specific Gravity
-9999  
3.2-3.5  

Transparency
Opaque  
Opaque  

Density
-9999 g/cm3  
3.1-3.6 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.84 kJ/Kg K  
15
0.84 kJ/Kg K  
15

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
-  
Greenland  

Deposits in Western Continents
  
  

North America
Canada, USA  
Canada, USA  

South America
Brazil  
Brazil, Colombia, Venezuela  

Deposits in Oceania Continent
  
  

Australia
-  
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 Intermediate volcanic rock 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 0.84 kJ/Kg K and that of Pyroxenite is 0.84 kJ/Kg K. 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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