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Serpentinite vs Anorthosite


Anorthosite vs Serpentinite


Definition

Definition
A hydration and metamorphic transformation of ultramafic rock from the Earth's mantle is called as serpentinization, a group of minerals is formed by serpentinization compose rock 'serpentinite'.  
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase  

History
  
  

Origin
USA  
-  

Discoverer
Unknown  
Unknown  

Etymology
From English word serpentinization.  
From French anorthose plagioclase + -ite1  

Class
Metamorphic Rocks  
Igneous Rocks  

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

Family
  
  

Group
-  
Plutonic  

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

Texture

Texture
Earthy  
Foliated, Glassy  

Color
Black, Brown, Green, Grey, White  
Black, Bluish - Grey, Brown, Green, Grey, Light Greenish Grey, Pink, White  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
No  
No  

Stain Resistant
Yes  
No  

Wind Resistant
No  
Yes  

Acid Resistant
No  
No  

Appearance
Rough and Dull  
Layered, Banded, Veined and Shiny  

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Interior Decoration  
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration  

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement  
As Dimension Stone, Cement Manufacture, for Road Aggregate  

Medical Industry
-  
-  

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

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Creating Artwork  
Creating Artwork, Curling  

Types

Types
Jadeitite  
Proterozoic Anorthosite and Archean Anorthosite  

Features
Host Rock for Lead  
Generally rough to touch, Is one of the oldest rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Serpentinite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.  
Anorthosite is a phaneritic, intrusive igneous rock which is characterized by a predominance of plagioclase feldspar which is almost 90–100%, and a minimal mafic component.   

Composition
  
  

Mineral Content
Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides  
Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene  

Compound Content
Ca, CaO, Carbon Dioxide, KCl, MgO, Sulfur Dioxide, Sulphur  
Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide  

Transformation
  
  

Metamorphism
Yes  
Yes  

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

Weathering
No  
Yes  

Types of Weathering
-  
Biological Weathering  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
3-5  
5-6  

Grain Size
Very fine-grained  
Coarse Grained  

Fracture
Uneven  
Irregular  

Streak
White, Greenish White or Grey  
White  

Porosity
Less Porous  
Less Porous  

Luster
Waxy and Dull  
Pearly to Subvitreous  

Compressive Strength
310.00 N/mm2  
2
180.00 N/mm2  
18

Cleavage
-  
-  

Toughness
7  
-  

Specific Gravity
2.79-3  
2.62-2.82  

Transparency
Opaque  
Translucent  

Density
2.5-3 g/cm3  
2.7-4 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.95 kJ/Kg K  
9
0.84 kJ/Kg K  
15

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Saudi Arabia, Singapore, South Korea  
-  

Africa
Ethiopia, Western Africa  
-  

Europe
England, Georgia, Switzerland, United Kingdom  
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic  

Others
-  
-  

Deposits in Western Continents
  
  

North America
Canada  
Canada  

South America
Colombia  
Bolivia, Colombia  

Deposits in Oceania Continent
  
  

Australia
Central Australia, New South Wales, New Zealand, Western Australia  
Central Australia, South Australia, Western Australia  

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Serpentinite vs Anorthosite 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 Serpentinite and Anorthosite Reserves. A hydration and metamorphic transformation of ultramafic rock from the Earth's mantle is called as serpentinization, a group of minerals is formed by serpentinization compose rock 'serpentinite'.. Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. 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 Serpentinite vs Anorthosite information and Serpentinite vs Anorthosite characteristics in the upcoming sections.

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Serpentinite vs Anorthosite 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. Serpentinite vs Anorthosite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Serpentinite and Properties of Anorthosite. Learn more about Serpentinite vs Anorthosite in the next section. The interior uses of Serpentinite include Decorative aggregates and Interior decoration whereas the interior uses of Anorthosite include Decorative aggregates, Floor tiles, Homes and Interior decoration. Due to some exceptional properties of Serpentinite and Anorthosite, they have various applications in construction industry. The uses of Serpentinite in construction industry include As dimension stone, Cement manufacture, For road aggregate, Making natural cement and that of Anorthosite include As dimension stone, Cement manufacture, For road aggregate.

More about Serpentinite and Anorthosite

Here you can know more about Serpentinite and Anorthosite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Serpentinite and Anorthosite consists of mineral content and compound content. The mineral content of Serpentinite includes Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides and mineral content of Anorthosite includes Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene. You can also check out the list of all Metamorphic Rocks. When we have to compare Serpentinite vs Anorthosite, the texture, color and appearance plays an important role in determining the type of rock. Serpentinite is available in black, brown, green, grey, white colors whereas, Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors. Appearance of Serpentinite is Rough and Dull and that of Anorthosite is Layered, Banded, Veined and Shiny. Properties of rock is another aspect for Serpentinite vs Anorthosite. The hardness of Serpentinite is 3-5 and that of Anorthosite is 5-6. The types of Serpentinite are Jadeitite whereas types of Anorthosite are Proterozoic Anorthosite and Archean Anorthosite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Serpentinite and Anorthosite is white, greenish white or grey. The specific heat capacity of Serpentinite is 0.95 kJ/Kg K and that of Anorthosite 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.Serpentinite is heat resistant whereas Anorthosite is heat resistant, impact resistant, pressure resistant, scratch resistant, wear resistant.

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