Charnockite

Granulite

Charnockite and Granulite

Charnockite

Granulite

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Definition

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

Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.

History

Origin

Tamil Nadu, India

Central Europe

Discoverer

T. H. Holland

Unknown

Etymology

From Job Charnock, an administtrator of East India Company

From Latin granulum, a little grain or fine grained

Class

Igneous Rocks

Metamorphic Rocks

Sub-Class

Durable Rock, Hard Rock

Family

Group

Plutonic

Other Categories

Coarse Grained Rock, Opaque Rock

Coarse Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Granular

Granoblastic

Color

Black, Grey, Orange, Pink, White

Black, Brown

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Veined or Pebbled

Uses

Architecture

Interior Uses

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

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

Exterior Uses

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

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

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone

As Dimension Stone, Building houses or walls

Medical Industry

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

Curling, Gemstone, Laboratory bench tops, Tombstones

Curling, Gemstone, Laboratory bench tops, Soil Conditioner, Tombstones

Types

Enderbite

Metamorphic rock

Features

Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock

Clasts are smooth to touch

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

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

Granulite is a fine-grained granular metamorphic rock in which the main component minerals are feldspars and quartz and forms at high temperature and pressure conditions.

Composition

Mineral Content

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

Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Quartz

Compound Content

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

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

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering

Biological Weathering, Chemical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

6-76-7

1 7

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Grain Size

Coarse Grained

Medium to Coarse Grained

Fracture

Streak

White

Porosity

Very Less Porous

Luster

Vitreous

Compressive Strength

190.00 N/mm²175.00 N/mm²

0.15 450

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Cleavage

Toughness

Specific Gravity

-99992.8-3.0

0 8.4

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Transparency

Opaque

Density

2.6 g/cm³3.06-3.33 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.14 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India

China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

Africa

East Africa, Ethiopia, Madagascar, Morocco, Mozambique

Angola, Egypt, Madagascar, Nigeria, South Africa

Europe

Albania, Romania, Scotland, United Kingdom

Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic

Others

Deposits in Western Continents

North America

USA

Canada, USA

South America

Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia

Central Australia, Western Australia

All about Charnockite and Granulite Properties

Know all about Charnockite and Granulite properties here. All properties of rocks are important as they define the type of rock and its application. Charnockite belongs to Igneous Rocks while Granulite belongs to Metamorphic Rocks.Texture of Charnockite is Granular whereas that of Granulite is Granoblastic. Charnockite appears Veined or Pebbled and Granulite appears Veined or Pebbled. The luster of Charnockite is while that of Granulite is vitreous. Charnockite is available in black, grey, orange, pink, white colors whereas Granulite is available in black, brown colors. The commercial uses of Charnockite are curling, gemstone, laboratory bench tops, tombstones and that of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones.