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Nephelinite vs Jaspillite


Jaspillite vs Nephelinite


Definition

Definition
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).   
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks   

History
  
  

Origin
Brazil   
Western Australia, Minnesota   

Discoverer
Unknown   
Unknown   

Etymology
from French néphéline, from Greek nephelē   
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper   

Class
Igneous Rocks   
Sedimentary Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Soft Rock   

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture

Texture
Aphanitic   
Banded, Trellis   

Color
Black, Brown, Colourless, Green, Grey, White   
Red, Reddish Brown   

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
Skeletal   
Banded and Glassy   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Homes, Interior Decoration   
Decorative Aggregates, Interior Decoration   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, 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
Not Yet Used   
Not Yet Used   

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

Other Uses
  
  

Commercial Uses
Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)   
Creating Artwork, Jewelry   

Types

Types
Peralkaline Nephelinite   
Algoma-type , Lake Superior-type and Superior-type   

Features
Host Rock for Lead   
Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Used   
Not Yet Used   

Famous Sculptures
Data Not Available   
Not Applicable   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Used   
Not Yet Used   

Fossils
Absent   
Present   

Formation

Formation
Nephelinite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.   
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
Clinopyroxene, Nepheline, Plagioclase   
Coesite, Quartz, Sand   

Compound Content
Ca, CaO, Carbon, Cl, MgO   
Fe, Iron(III) Oxide, Silicon Dioxide   

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Contact Metamorphism   
Not Applicable   

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
6.5   
3   

Grain Size
Fine Grained   
Large and Coarse Grained   

Fracture
Flat   
Conchoidal   

Streak
White   
White   

Porosity
Less Porous   
Very Less Porous   

Luster
Vitreous to Metallic   
Earthy   

Compressive Strength
35.00 N/mm2   
29
230.00 N/mm2   
6

Cleavage
Imperfect   
Imperfect   

Toughness
2.7   
Not Available   

Specific Gravity
2.4-2.9   
5.0-5.3   

Transparency
Opaque   
Translucent to Opaque   

Density
2.5-3 g/cm3   
0-5.7 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.88 kJ/Kg K   
13
3.20 kJ/Kg K   
1

Resistance
Heat Resistant   
Heat Resistant, Impact Resistant, Wear Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
Japan   
Russia   

Africa
Rwanda, Tanzania   
Not Yet Found   

Europe
Not Yet Found   
Ukraine   

Others
Hawaii Islands   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Colombia   
Brazil   

Deposits in Oceania Continent
  
  

Australia
Not Yet Found   
Western Australia   

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Nephelinite 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 Nephelinite and Jaspillite Reserves. Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. 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 Nephelinite vs Jaspillite information and Nephelinite vs Jaspillite characteristics in the upcoming sections.

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Nephelinite 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. Nephelinite vs Jaspillite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Nephelinite and Properties of Jaspillite. Learn more about Nephelinite vs Jaspillite in the next section. The interior uses of Nephelinite include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Jaspillite include Decorative aggregates and Interior decoration. Due to some exceptional properties of Nephelinite and Jaspillite, they have various applications in construction industry. The uses of Nephelinite in construction industry include As dimension stone, Cement manufacture, Construction aggregate, 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 Nephelinite and Jaspillite

Here you can know more about Nephelinite and Jaspillite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Nephelinite and Jaspillite consists of mineral content and compound content. The mineral content of Nephelinite includes Clinopyroxene, Nepheline, Plagioclase 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 Nephelinite vs Jaspillite, the texture, color and appearance plays an important role in determining the type of rock. Nephelinite is available in black, brown, colourless, green, grey, white colors whereas, Jaspillite is available in red, reddish brown colors. Appearance of Nephelinite is Skeletal and that of Jaspillite is Banded and Glassy. Properties of rock is another aspect for Nephelinite vs Jaspillite. The hardness of Nephelinite is 6.5 and that of Jaspillite is 3. The types of Nephelinite are Peralkaline Nephelinite 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 Nephelinite and Jaspillite is white. The specific heat capacity of Nephelinite is 0.88 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.Nephelinite is heat resistant whereas Jaspillite is heat resistant, impact resistant, wear resistant.

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