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Anorthosite
Anorthosite

Charnockite
Charnockite



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Anorthosite
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Charnockite

Anorthosite vs Charnockite

Definition

Definition

Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
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 French anorthose plagioclase + -ite1
From Job Charnock, an administtrator of East India Company

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

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

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, Resorts

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
Enderbite

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

Types of Metamorphism

Cataclastic Metamorphism, Contact Metamorphism
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

Biological Weathering
Biological Weathering

Erosion

Types of Erosion

Chemical Erosion, Wind Erosion
Chemical Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

5-66-7
1 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/mm2190.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
-

Specific Gravity

2.62-2.82-9999
0 8.4
👆🏻

Transparency

Translucent
Opaque

Density

2.7-4 g/cm32.6 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

-
India

Africa

-
East Africa, Ethiopia, Madagascar, Morocco, Mozambique

Europe

Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
Albania, Romania, Scotland, United Kingdom

Others

-
-

Deposits in Western Continents

North America

Canada
USA

South America

Bolivia, Colombia
Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia

Central Australia, South Australia, Western Australia
Central Australia, Western Australia

Anorthosite vs Charnockite 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 Anorthosite and Charnockite Reserves. Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. 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 Anorthosite vs Charnockite information and Anorthosite vs Charnockite characteristics in the upcoming sections.

Anorthosite vs Charnockite 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. Anorthosite vs Charnockite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Anorthosite and Properties of Charnockite. Learn more about Anorthosite vs Charnockite in the next section. The interior uses of Anorthosite include Decorative aggregates, Floor tiles, Homes and Interior decoration whereas the interior uses of Charnockite include Bathrooms, Countertops, Decorative aggregates, Entryways, Floor tiles, Homes, Hotels, Kitchens and Stair treads. Due to some exceptional properties of Anorthosite and Charnockite, they have various applications in construction industry. The uses of Anorthosite in construction industry include As dimension stone, Cement manufacture, For road aggregate and that of Charnockite include As dimension stone.

More about Anorthosite and Charnockite

Here you can know more about Anorthosite and Charnockite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Anorthosite and Charnockite consists of mineral content and compound content. The mineral content of Anorthosite includes Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene and mineral content of Charnockite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Anorthosite vs Charnockite, the texture, color and appearance plays an important role in determining the type of rock. Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors whereas, Charnockite is available in black, grey, orange, pink, white colors. Appearance of Anorthosite is Layered, Banded, Veined and Shiny and that of Charnockite is Veined or Pebbled. Properties of rock is another aspect for Anorthosite vs Charnockite. The hardness of Anorthosite is 5-6 and that of Charnockite is 6-7. The types of Anorthosite are Proterozoic Anorthosite and Archean Anorthosite whereas types of Charnockite are Enderbite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Anorthosite and Charnockite is white. The specific heat capacity of Anorthosite is 0.84 kJ/Kg K and that of Charnockite is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Anorthosite is heat resistant, impact resistant, pressure resistant, scratch resistant, wear resistant whereas Charnockite is heat resistant, wear resistant.