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Norite and Whiteschist


Whiteschist and Norite


Definition

Definition
Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine   
Whiteschist is an uncommon rock type belonging to a class of metamorphic rock, this is formed at high-ultra-high pressures   

History
  
  

Origin
Norway   
Tasmania   

Discoverer
Unknown   
Unknown   

Etymology
From the Norwegian name for Norway, Norge   
From French schiste, Greek skhistos i.e. split   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture

Texture
Phaneritic   
Foliated   

Color
Dark Grey to Black   
Colourless, Green, Grey, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
No   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
Yes   
No   

Acid Resistant
Yes   
No   

Appearance
Veined and Shiny   
Banded and Foilated   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Entryways, Interior Decoration   
Decorative Aggregates, Interior Decoration   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate   
for Road Aggregate   

Medical Industry
Not Yet Used   
Not Yet Used   

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

Other Uses
  
  

Commercial Uses
Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones   
Creating Artwork, Gemstone, Jewelry, Production of Lime   

Types

Types
Not Available   
Not Available   

Features
Smooth to touch   
High percentage of mica, Host Rock for Lead   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Norite 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.   
Whiteschist is formed by dynamic metamorphism at high temperatures and pressures that aligns the grains of mica, hornblende and other elongated minerals into thin layers.   

Composition
  
  

Mineral Content
Augite, Olivine, Plagioclase, Pyroxene   
Carbonate, Coesite, Quartz, Silica   

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

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Cataclastic Metamorphism, Impact Metamorphism   
Not Applicable   

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Coastal Erosion   
Chemical Erosion, Coastal Erosion, Glacier Erosion   

Properties

Physical Properties
  
  

Hardness
7   
1.5   

Grain Size
Coarse Grained   
Fine to Medium Grained   

Fracture
Conchoidal   
Conchoidal   

Streak
Black   
White   

Porosity
Highly Porous   
Less Porous   

Luster
Not Available   
Subvitreous to Dull   

Compressive Strength
225.00 N/mm2   
7
200.00 N/mm2   
10

Cleavage
Not Available   
Perfect   

Toughness
1.6   
1   

Specific Gravity
2.86-2.87   
2.86   

Transparency
Opaque   
Opaque   

Density
2.7-3.3 g/cm3   
2.8-2.9 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.92 kJ/Kg K   
10

Resistance
Impact Resistant, Pressure Resistant, Wear Resistant   
Heat Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia   
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam   

Africa
South Africa   
Egypt, Ethiopia, Morocco, Nigeria, South Africa   

Europe
Germany, Greece, Italy, Scotland, Turkey   
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland   

Others
Greenland   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, Costa Rica, Cuba, Mexico, Panama, USA   

South America
Brazil, Colombia, Venezuela   
Brazil, Colombia, Guyana   

Deposits in Oceania Continent
  
  

Australia
New Zealand, Queensland   
New South Wales, New Zealand, Queensland   

Summary >>
<< Reserves

All about Norite and Whiteschist Properties

Know all about Norite and Whiteschist properties here. All properties of rocks are important as they define the type of rock and its application. Norite belongs to Igneous Rocks while Whiteschist belongs to Metamorphic Rocks.Texture of Norite is Phaneritic whereas that of Whiteschist is Foliated. Norite appears Veined and Shiny and Whiteschist appears Banded and Foilated. The luster of Norite is not available while that of Whiteschist is subvitreous to dull. Norite is available in dark grey to black colors whereas Whiteschist is available in colourless, green, grey, white colors. The commercial uses of Norite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Whiteschist are creating artwork, gemstone, jewelry, production of lime.

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