Definition
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
Oolite is a sedimentary rock formed from ooids, spherical grains which are composed of concentric layers of calcite
Origin
Tamil Nadu, India
Unknown
Discoverer
T. H. Holland
Unknown
Etymology
From Job Charnock, an administtrator of East India Company
From oo- + -lite, after German Oolit. A rock consisting of fine grains of carbonate of lime
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
Texture
Granular
Clastic or Non-Clastic
Color
Black, Grey, Orange, Pink, White
Black, Blue, Brown, Cream, Green, Grey, Pink, Red, Silver, White, Yellow
Durability
Durable
Durable
Scratch Resistant
Yes
Yes
Appearance
Veined or Pebbled
Rounded and Rough
Interior Uses
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Homes, Hotels, Kitchens, Stair Treads
Decorative Aggregates, Flooring, Interior Decoration
Exterior Uses
As Building Stone, As Facing Stone, Bridges, Paving Stone, Garden Decoration, Office Buildings, Resorts
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
Other Architectural Uses
Curbing
Not Yet Used
Construction Industry
As Dimension Stone
Cement Manufacture, Cobblestones, Landscaping
Medical Industry
Not Yet Used
Not Yet Used
Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines
Artifacts
Commercial Uses
Curling, Gemstone, Laboratory bench tops, Tombstones
Creating Artwork, Jewelry, Used in aquariums
Types
Enderbite
Not Available
Features
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock
Available in lots of colors, Generally rough to touch, Very fine grained rock
Archaeological Significance
Monuments
Used
Not Yet Used
Famous Monuments
Data Not Available
Not Applicable
Sculpture
Used
Not Yet Used
Famous Sculptures
Data Not Available
Not Applicable
Pictographs
Not Used
Used
Petroglyphs
Not Used
Used
Figurines
Used
Not Yet Used
Formation
Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.
Oolites form when layers of calcite are deposited around a sand grain or fossil piece and are rolled around in calm water, which makes them round.
Mineral Content
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz
Calcite, Chert, Clay, Dolomite, Quartz, Sand, Silt
Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Aluminium Oxide, Ca, NaCl, CaO, Iron(III) Oxide, FeO, MgO
Types of Metamorphism
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism
Not Applicable
Types of Weathering
Biological Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Types of Erosion
Chemical Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion
Grain Size
Coarse Grained
Fine Grained
Fracture
Not Available
Conchoidal
Porosity
Very Less Porous
Less Porous
Luster
Not Available
Pearly to Shiny
Cleavage
Not Available
Non-Existent
Toughness
Not Available
1
Specific Gravity
Not Available
Not Available
Transparency
Opaque
Opaque
Density
2.6 g/cm3
Not Available
Resistance
Heat Resistant, Wear Resistant
Heat Resistant, Wear Resistant
Deposits in Eastern Continents
Asia
India
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Africa
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Europe
Albania, Romania, Scotland, United Kingdom
United Kingdom
Others
Not Yet Found
Not Yet Found
Deposits in Western Continents
South America
Brazil, Colombia, Venezuela
Colombia
Deposits in Oceania Continent
Australia
Central Australia, Western Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula
All about Charnockite and Oolite Properties
Know all about Charnockite and Oolite properties here. All properties of rocks are important as they define the type of rock and its application. Charnockite belongs to Igneous Rocks while Oolite belongs to Sedimentary Rocks.Texture of Charnockite is Granular whereas that of Oolite is Clastic or Non-Clastic. Charnockite appears Veined or Pebbled and Oolite appears Rounded and Rough. The luster of Charnockite is not available while that of Oolite is pearly to shiny. Charnockite is available in black, grey, orange, pink, white colors whereas Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors. The commercial uses of Charnockite are curling, gemstone, laboratory bench tops, tombstones and that of Oolite are creating artwork, jewelry, used in aquariums.