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Charnockite
Charnockite

Trondhjemite
Trondhjemite



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Charnockite
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Trondhjemite

Charnockite vs Trondhjemite

Definition

Definition

Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.

History

Origin

Tamil Nadu, India
Tonale, Italy

Discoverer

T. H. Holland
Unknown

Etymology

From Job Charnock, an administtrator of East India Company
From Trondheim, Norway

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Hard Rock

Family

Group

Plutonic
Plutonic

Other Categories

Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Texture

Granular
Phaneritic

Color

Black, Grey, Orange, Pink, White
Black, Brown, Light to Dark Grey, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Veined or Pebbled
Banded and Foilated

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

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

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Curling, Gemstone, Laboratory bench tops, Tombstones
Cemetery Markers, Creating Artwork

Types

Types

Enderbite
Intermediate intrusive rock

Features

Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock
Is one of the oldest rock, Typically speckled black and white.

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.
When alkali feldspar is extracted from granite, it changes to granitoid and later, it becomes trondhjemite with quartz as major mineral.

Composition

Mineral Content

Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon

Compound Content

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

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

Biological Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

6-76-7
1 7
👆🏻

Grain Size

Coarse Grained
Medium to Fine Coarse Grained

Fracture

-
Conchoidal

Streak

White
Bluish Black

Porosity

Very Less Porous
Very Less Porous

Luster

-
Subvitreous to Dull

Compressive Strength

190.00 N/mm2130.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
2.1

Specific Gravity

-99992.86-3
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.6 g/cm32.73 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India
-

Africa

East Africa, Ethiopia, Madagascar, Morocco, Mozambique
Egypt

Europe

Albania, Romania, Scotland, United Kingdom
Finland, Germany, Italy, Romania, Sweden, Turkey

Others

-
-

Deposits in Western Continents

North America

USA
USA

South America

Brazil, Colombia, Venezuela
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru

Deposits in Oceania Continent

Australia

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

Charnockite vs Trondhjemite 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 Charnockite and Trondhjemite Reserves. Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.. 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 Charnockite vs Trondhjemite information and Charnockite vs Trondhjemite characteristics in the upcoming sections.

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

More about Charnockite and Trondhjemite

Here you can know more about Charnockite and Trondhjemite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Charnockite and Trondhjemite consists of mineral content and compound content. The mineral content of Charnockite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz and mineral content of Trondhjemite includes Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon. You can also check out the list of all Igneous Rocks. When we have to compare Charnockite vs Trondhjemite, the texture, color and appearance plays an important role in determining the type of rock. Charnockite is available in black, grey, orange, pink, white colors whereas, Trondhjemite is available in black, brown, light to dark grey, white colors. Appearance of Charnockite is Veined or Pebbled and that of Trondhjemite is Banded and Foilated. Properties of rock is another aspect for Charnockite vs Trondhjemite. Hardness of Charnockite and Trondhjemite is 6-7. The types of Charnockite are Enderbite whereas types of Trondhjemite are Intermediate intrusive rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Charnockite is white while that of Trondhjemite is bluish black. The specific heat capacity of Charnockite is 0.84 kJ/Kg K and that of Trondhjemite is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Charnockite is heat resistant, wear resistant whereas Trondhjemite is heat resistant, pressure resistant, wear resistant.