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Itacolumite and Charnockite


Charnockite and Itacolumite


Definition

Definition
A yellow sandstone which is flexible when cut into thin strips  
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar  

History
  
  

Origin
-  
Tamil Nadu, India  

Discoverer
Unknown  
T. H. Holland  

Etymology
From the name of a mountain range where it was found; Itacolumi mountain in Brazil  
From Job Charnock, an administtrator of East India Company  

Class
Sedimentary Rocks  
Igneous Rocks  

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

Family
  
  

Group
-  
Plutonic  

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

Texture

Texture
Clastic, Granular, Rough  
Granular  

Color
Beige, Black, Brown, Cream, Dark Brown, Green, Grey, Light Green, Light to Dark Grey, Pink, Red, White, Yellow  
Black, Grey, Orange, Pink, White  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
No  

Scratch Resistant
No  
Yes  

Stain Resistant
No  
Yes  

Wind Resistant
No  
No  

Acid Resistant
No  
Yes  

Appearance
Rough  
Veined or Pebbled  

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar  
As Dimension Stone  

Medical Industry
-  
-  

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

Other Uses
  
  

Commercial Uses
An Oil and Gas Reservoir, In aquifers, Petroleum reservoirs, Soil Conditioner, Source of Magnesia (MgO), Tombstones  
Curling, Gemstone, Laboratory bench tops, Tombstones  

Types

Types
Sandstone  
Enderbite  

Features
Available in Lots of Colors and Patterns, Generally rough to touch, Very fine grained 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
Present  
Absent  

Formation

Formation
Itacolumite is a sedimentary rock which forms from cemented sand-sized clasts and is a type of sandstone.  
Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.  

Composition
  
  

Mineral Content
Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz  
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz  

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

Transformation
  
  

Metamorphism
No  
Yes  

Types of Metamorphism
-  
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism  

Weathering
Yes  
Yes  

Types of Weathering
Biological Weathering, Chemical Weathering  
Biological Weathering  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
6-7  
6-7  

Grain Size
Coarse or Fine  
Coarse Grained  

Fracture
Conchoidal  
-  

Streak
White  
White  

Porosity
Highly Porous  
Very Less Porous  

Luster
Dull  
-  

Compressive Strength
95.00 N/mm2  
30
190.00 N/mm2  
15

Cleavage
Perfect  
-  

Toughness
2.6  
-  

Specific Gravity
2.2-2.8  
-9999  

Transparency
Opaque  
Opaque  

Density
2.2-2.8 g/cm3  
2.6 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.92 kJ/Kg K  
10
0.84 kJ/Kg K  
15

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan  
India  

Africa
Namibia, Nigeria, South Africa  
East Africa, Ethiopia, Madagascar, Morocco, Mozambique  

Europe
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom  
Albania, Romania, Scotland, United Kingdom  

Others
Greenland  
-  

Deposits in Western Continents
  
  

North America
Canada, USA  
USA  

South America
Brazil  
Brazil, Colombia, Venezuela  

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Itacolumite and Charnockite Properties

Know all about Itacolumite and Charnockite properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite belongs to Sedimentary Rocks while Charnockite belongs to Igneous Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Charnockite is Granular. Itacolumite appears Rough and Charnockite appears Veined or Pebbled. The luster of Itacolumite is dull while that of Charnockite is . Itacolumite is available in beige, black, brown, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Charnockite is available in black, grey, orange, pink, white colors. The commercial uses of Itacolumite are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Charnockite are curling, gemstone, laboratory bench tops, tombstones.

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