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Anorthosite vs Jaspillite


Jaspillite vs Anorthosite


Definition

Definition
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase  
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks  

History
  
  

Origin
-  
Western Australia, Minnesota  

Discoverer
Unknown  
Unknown  

Etymology
From French anorthose plagioclase + -ite1  
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper  

Class
Igneous Rocks  
Sedimentary Rocks  

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

Family
  
  

Group
Plutonic  
-  

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

Texture

Texture
Foliated, Glassy  
Banded, Trellis  

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

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
No  

Scratch Resistant
No  
No  

Stain Resistant
No  
No  

Wind Resistant
Yes  
No  

Acid Resistant
No  
No  

Appearance
Layered, Banded, Veined and Shiny  
Banded and Glassy  

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate  
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories  

Medical Industry
-  
-  

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

Other Uses
  
  

Commercial Uses
Creating Artwork, Curling  
Creating Artwork, Jewelry  

Types

Types
Proterozoic Anorthosite and Archean Anorthosite  
Algoma-type , Lake Superior-type and Superior-type  

Features
Generally rough to touch, Is one of the oldest rock  
Is one of the oldest rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Present  

Formation

Formation
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.   
Jaspillite is a type of sedimentary rock which is formed by the compaction and sedimentation of pieces of broken or weathered rocks and minerals.  

Composition
  
  

Mineral Content
Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene  
Coesite, Quartz, Sand  

Compound Content
Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide  
Fe, Iron(III) Oxide, Silicon Dioxide  

Transformation
  
  

Metamorphism
Yes  
No  

Types of Metamorphism
Cataclastic Metamorphism, Contact Metamorphism  
-  

Weathering
Yes  
Yes  

Types of Weathering
Biological Weathering  
Biological Weathering, Chemical Weathering  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
5-6  
3  

Grain Size
Coarse Grained  
Large and Coarse Grained  

Fracture
Irregular  
Conchoidal  

Streak
White  
White  

Porosity
Less Porous  
Very Less Porous  

Luster
Pearly to Subvitreous  
Earthy  

Compressive Strength
180.00 N/mm2  
18
230.00 N/mm2  
7

Cleavage
-  
-  

Toughness
-  
-  

Specific Gravity
2.62-2.82  
5.0-5.3  

Transparency
Translucent  
Translucent to Opaque  

Density
2.7-4 g/cm3  
0-5.7 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.84 kJ/Kg K  
15
3.20 kJ/Kg K  
1

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

Reserves

Deposits in Eastern Continents
  
  

Asia
-  
Russia  

Africa
-  
-  

Europe
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic  
Ukraine  

Others
-  
-  

Deposits in Western Continents
  
  

North America
Canada  
Canada, USA  

South America
Bolivia, Colombia  
Brazil  

Deposits in Oceania Continent
  
  

Australia
Central Australia, South Australia, Western Australia  
Western Australia  

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Anorthosite vs Jaspillite 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 Anorthosite and Jaspillite Reserves. Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks. 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 Anorthosite vs Jaspillite information and Anorthosite vs Jaspillite characteristics in the upcoming sections.

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Anorthosite vs Jaspillite 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. Anorthosite vs Jaspillite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Anorthosite and Properties of Jaspillite. Learn more about Anorthosite vs Jaspillite in the next section. The interior uses of Anorthosite include Decorative aggregates, Floor tiles, Homes and Interior decoration whereas the interior uses of Jaspillite include Decorative aggregates and Interior decoration. Due to some exceptional properties of Anorthosite and Jaspillite, they have various applications in construction industry. The uses of Anorthosite in construction industry include As dimension stone, Cement manufacture, For road aggregate and that of Jaspillite include As a flux in the production of steel and pig iron, As a sintering agent in steel industry to process iron ore, As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories.

More about Anorthosite and Jaspillite

Here you can know more about Anorthosite and Jaspillite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Anorthosite and Jaspillite consists of mineral content and compound content. The mineral content of Anorthosite includes Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene and mineral content of Jaspillite includes Coesite, Quartz, Sand. You can also check out the list of all Igneous Rocks. When we have to compare Anorthosite vs Jaspillite, the texture, color and appearance plays an important role in determining the type of rock. Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors whereas, Jaspillite is available in red, reddish brown colors. Appearance of Anorthosite is Layered, Banded, Veined and Shiny and that of Jaspillite is Banded and Glassy. Properties of rock is another aspect for Anorthosite vs Jaspillite. The hardness of Anorthosite is 5-6 and that of Jaspillite is 3. The types of Anorthosite are Proterozoic Anorthosite and Archean Anorthosite whereas types of Jaspillite are Algoma-type , Lake Superior-type and Superior-type. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Anorthosite and Jaspillite is white. The specific heat capacity of Anorthosite is 0.84 kJ/Kg K and that of Jaspillite is 3.20 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Anorthosite is heat resistant, impact resistant, pressure resistant, scratch resistant, wear resistant whereas Jaspillite is heat resistant, impact resistant, wear resistant.

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