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Charnockite and Mudstone


Mudstone and Charnockite


Definition

Definition
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar   
Mudstone is a fine-grained, dark gray sedimentary rock, which is formed from silt and clay and is similar to shale but has less laminations   

History
  
  

Origin
Tamil Nadu, India   
Unknown   

Discoverer
T. H. Holland   
Unknown   

Etymology
From Job Charnock, an administtrator of East India Company   
From the English mud and stone, from low German mudde and stainaz   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture

Texture
Granular   
Clastic   

Color
Black, Grey, Orange, Pink, White   
Black, Blue, Brown, Green, Grey, Orange, Red, White, Yellow   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
Yes   
No   

Stain Resistant
Yes   
No   

Wind Resistant
No   
No   

Acid Resistant
Yes   
No   

Appearance
Veined or Pebbled   
Rough and Dull   

Uses

Architecture
  
  

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone   
Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar   

Medical Industry
Not Yet Used   
Not Yet Used   

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

Other Uses
  
  

Commercial Uses
Curling, Gemstone, Laboratory bench tops, Tombstones   
Creating Artwork, Pottery   

Types

Types
Enderbite   
Marl, Shale and Argillite   

Features
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock   
Available in Lots of Colors and Patterns, Smooth to touch, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Used   
Not Yet Used   

Famous Monuments
Data Not Available   
Not Applicable   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Present   

Formation

Formation
Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.   
Mudstone forms when very fine-grained clay particles are deposited in water which settle at the bottom of water bodies. They are buried and compacted by overlying sediment hence forming mudstone.   

Composition
  
  

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

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

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism   
Not Applicable   

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering   
Chemical Weathering, Mechanical Weathering   

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Water Erosion, Wind Erosion   
Chemical Erosion, Sea Erosion   

Properties

Physical Properties
  
  

Hardness
6-7   
2-3   

Grain Size
Coarse Grained   
Very fine-grained   

Fracture
Not Available   
Not Available   

Streak
White   
White   

Porosity
Very Less Porous   
Highly Porous   

Luster
Not Available   
Dull   

Cleavage
Not Available   
Perfect   

Toughness
Not Available   
2.6   

Specific Gravity
Not Available   
2.2-2.8   

Transparency
Opaque   
Opaque   

Density
2.6 g/cm3   
2.4-2.8 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.39 kJ/Kg K   
23

Resistance
Heat Resistant, Wear Resistant   
Heat Resistant, Impact Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
India   
Bangladesh, China, India, Russia   

Africa
East Africa, Ethiopia, Madagascar, Morocco, Mozambique   
Ethiopia, Kenya, Morocco, South Africa, Tanzania   

Europe
Albania, Romania, Scotland, United Kingdom   
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
USA   
USA   

South America
Brazil, Colombia, Venezuela   
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela   

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Charnockite and Mudstone Properties

Know all about Charnockite and Mudstone properties here. All properties of rocks are important as they define the type of rock and its application. Charnockite belongs to Igneous Rocks while Mudstone belongs to Sedimentary Rocks.Texture of Charnockite is Granular whereas that of Mudstone is Clastic. Charnockite appears Veined or Pebbled and Mudstone appears Rough and Dull. The luster of Charnockite is not available while that of Mudstone is dull. Charnockite is available in black, grey, orange, pink, white colors whereas Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors. The commercial uses of Charnockite are curling, gemstone, laboratory bench tops, tombstones and that of Mudstone are creating artwork, pottery.

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