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Anorthosite and Enderbite


Enderbite and Anorthosite


Definition

Definition
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase  
Enderbite rock is an igneous rock which belongs to the Charnockite rock series  

History
  
  

Origin
-  
Enderby Land, Antarctica  

Discoverer
Unknown  
Unknown  

Etymology
From French anorthose plagioclase + -ite1  
From its occurrence in Enderby Land, Antarctica  

Class
Igneous Rocks  
Igneous Rocks  

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

Family
  
  

Group
Plutonic  
Plutonic  

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

Texture

Texture
Foliated, Glassy  
Granular  

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

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
No  
Yes  

Stain Resistant
No  
Yes  

Wind Resistant
Yes  
Yes  

Acid Resistant
No  
Yes  

Appearance
Layered, Banded, Veined and Shiny  
Veined or Pebbled  

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration  
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Homes, Hotels, Kitchens, Stair Treads  

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate  
As Dimension Stone  

Medical Industry
-  
-  

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

Other Uses
  
  

Commercial Uses
Creating Artwork, Curling  
Curling, Gemstone, Laboratory bench tops, Tombstones  

Types

Types
Proterozoic Anorthosite and Archean Anorthosite  
-  

Features
Generally rough to touch, Is one of the oldest rock  
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

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.   
Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.  

Composition
  
  

Mineral Content
Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene  
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz  

Compound Content
Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide  
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide  

Transformation
  
  

Metamorphism
Yes  
Yes  

Types of Metamorphism
Cataclastic Metamorphism, Contact Metamorphism  
Contact Metamorphism, Impact Metamorphism  

Weathering
Yes  
Yes  

Types of Weathering
Biological Weathering  
Biological Weathering, Chemical Weathering  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
5-6  
6-7  

Grain Size
Coarse Grained  
Coarse Grained  

Fracture
Irregular  
-  

Streak
White  
White  

Porosity
Less Porous  
Very Less Porous  

Luster
Pearly to Subvitreous  
-  

Compressive Strength
180.00 N/mm2  
18
140.00 N/mm2  
23

Cleavage
-  
-  

Toughness
-  
-  

Specific Gravity
2.62-2.82  
-9999  

Transparency
Translucent  
Opaque  

Density
2.7-4 g/cm3  
2.6 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.84 kJ/Kg K  
15
0.79 kJ/Kg K  
17

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

Reserves

Deposits in Eastern Continents
  
  

Asia
-  
India  

Africa
-  
-  

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

Others
-  
Antarctica  

Deposits in Western Continents
  
  

North America
Canada  
USA  

South America
Bolivia, Colombia  
-  

Deposits in Oceania Continent
  
  

Australia
Central Australia, South Australia, Western Australia  
-  

Summary >>
<< Reserves

All about Anorthosite and Enderbite Properties

Know all about Anorthosite and Enderbite properties here. All properties of rocks are important as they define the type of rock and its application. Anorthosite and Enderbite belong to Igneous Rocks.Texture of Anorthosite is Foliated, Glassy whereas that of Enderbite is Granular. Anorthosite appears Layered, Banded, Veined and Shiny and Enderbite appears Veined or Pebbled. The luster of Anorthosite is pearly to subvitreous while that of Enderbite is . Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors whereas Enderbite is available in black, grey, orange, pink, white colors. The commercial uses of Anorthosite are creating artwork, curling and that of Enderbite are curling, gemstone, laboratory bench tops, tombstones.

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