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What is Charnockite?



Definition

Definition
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar

History

Origin
Tamil Nadu, India

Discoverer
T. H. Holland

Etymology
From Job Charnock, an administtrator of East India Company

Class
Igneous Rocks

Sub-Class
Durable Rock, Hard Rock

Family

Group
Plutonic

Other Categories
Coarse Grained Rock, Opaque Rock

Texture

Texture
Granular

Color
Black, Grey, Orange, Pink, White

Maintenance
Less

Durability
Durable

Water Resistant
No

Scratch Resistant
Yes

Stain Resistant
Yes

Wind Resistant
No

Acid Resistant
Yes

Appearance
Veined or Pebbled

Uses

Architecture

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

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

Other Architectural Uses
Curbing

Industry

Construction Industry
As Dimension Stone

Medical Industry
-

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses
Curling, Gemstone, Laboratory bench tops, Tombstones

Types

Types
Enderbite

Features
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

Formation

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

Composition

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

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

Transformation

Metamorphism
Yes

Types of Metamorphism
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering
Yes

Types of Weathering
Biological Weathering

Erosion
Yes

Types of Erosion
Chemical Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness
6-7

Grain Size
Coarse Grained

Fracture
-

Streak
White

Porosity
Very Less Porous

Luster
-

Compressive Strength
190.00 N/mm2 15

Cleavage
-

Toughness
-

Specific Gravity
-9999

Transparency
Opaque

Density
2.6 g/cm3

Thermal Properties

Specific Heat Capacity
0.84 kJ/Kg K 15

Resistance
Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia
India

Africa
East Africa, Ethiopia, Madagascar, Morocco, Mozambique

Europe
Albania, Romania, Scotland, United Kingdom

Others
-

Deposits in Western Continents

North America
USA

South America
Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia
Central Australia, Western Australia

Summary >>
<< Reserves

Igneous Rocks

Learn more about Properties of Charnockite

What is Charnockite? In this section, we will learn more about properties of Charnockite i.e. physical and thermal properties. Physical properties of Charnockite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Charnockite is 190.00 N/mm2. Streak of Charnockite is white while its cleavage is . Luster of Charnockite is and its fracture is . Charnockite is opaque in nature. Know all about Charnockite, What is Charnockite, its composition, features, facts and reserves in next sections.

Know about Composition of Charnockite

What is Charnockite composed of? Get to know about composition of Charnockite here. Charnockite definition gives information about the Formation of Charnockite and its composition.The composition of Charnockite can be further divided into mineral and compound content. The mineral content of Charnockite rock includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz and The compound content of Charnockite rock includes Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide. Almost all rocks undergo transformation process. Know all about Charnockite rock in next section.

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