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Oolite and Quartzite


Quartzite and Oolite


Definition

Definition
Oolite is a sedimentary rock formed from ooids, spherical grains which are composed of concentric layers of calcite   
Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From oo- + -lite, after German Oolit. A rock consisting of fine grains of carbonate of lime   
From quartz + -ite   

Class
Sedimentary Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Not Applicable   

Other Categories
Fine Grained Rock, Opaque Rock   
Medium Grained Rock, Opaque Rock   

Texture

Texture
Clastic or Non-Clastic   
Foliated, Granular   

Color
Black, Blue, Brown, Cream, Green, Grey, Pink, Red, Silver, White, Yellow   
Black, Blue, Brown, Green, Light Grey, Purple, White, Yellow   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
No   
Yes   

Acid Resistant
No   
Yes   

Appearance
Rounded and Rough   
Lustrous   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Flooring, Interior Decoration   
Countertops, Decorative Aggregates, Flooring, Homes   

Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone   
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone   

Other Architectural Uses
Not Yet Used   
Curbing   

Industry
  
  

Construction Industry
Cement Manufacture, Cobblestones, Landscaping   
Arrowheads, As Dimension Stone, Cement Manufacture, Construction Aggregate, Cutting Tool, for Road Aggregate, Making natural cement, Production of Glass and Ceramics, Rail Track Ballast, Roadstone   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts   
Artifacts, Jewellery, Monuments, Sculpture   

Other Uses
  
  

Commercial Uses
Creating Artwork, Jewelry, Used in aquariums   
An Oil and Gas Reservoir, As armour rock for sea walls, Cemetery Markers, Commemorative Tablets, In aquifers, Laboratory bench tops, Petroleum reservoirs, Soil Conditioner, Source of Magnesia (MgO), Tombstones, Used in aquariums   

Types

Types
Not Available   
Not Available   

Features
Available in lots of colors, Generally rough to touch, Very fine grained rock   
Generally rough to touch, Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Data Not Available   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Not Yet Used   
Used   

Fossils
Present   
Absent   

Formation

Formation
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.   
Quartzite forms from sandstone and the mineral quartz being put under extreme heat and pressure.   

Composition
  
  

Mineral Content
Calcite, Chert, Clay, Dolomite, Quartz, Sand, Silt   
Chlorite, Epidote, Hematite, Kyanite, Magnetite, Muscovite or Illite, Quartz   

Compound Content
Aluminium Oxide, Ca, NaCl, CaO, Iron(III) Oxide, FeO, MgO   
Aluminium Oxide, CaO, Iron(III) Oxide, MgO, Sodium Oxide, Silicon Dioxide   

Transformation
  
  

Metamorphism
No   
Yes   

Types of Metamorphism
Not Applicable   
Burial Metamorphism, Cataclastic Metamorphism, Hydrothermal Metamorphism, Regional Metamorphism   

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering   
Biological Weathering, Chemical Weathering, Mechanical Weathering   

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Coastal Erosion   
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
3-4   
6-7   

Grain Size
Fine Grained   
Medium Grained   

Fracture
Conchoidal   
Uneven, Splintery or Conchoidal   

Streak
White   
White   

Porosity
Less Porous   
Less Porous   

Luster
Pearly to Shiny   
Vitreous   

Compressive Strength
Not Available   
115.00 N/mm2   
18

Cleavage
Non-Existent   
Indiscernible   

Toughness
1   
1.9   

Specific Gravity
Not Available   
2.6-2.8   

Transparency
Opaque   
Transparent to Translucent   

Density
Not Available   
2.32-2.42 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.75 kJ/Kg K   
18

Resistance
Heat Resistant, Wear Resistant   
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam   
China, India, Israel, Russia, South Korea, Thailand, Turkey   

Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe   
Ethiopia, Morocco, South Africa, Zimbabwe   

Europe
United Kingdom   
England, Italy, Norway, Scotland, Sweden, United Kingdom   

Others
Not Yet Found   
Greenland   

Deposits in Western Continents
  
  

North America
USA   
Bahamas, Canada, USA   

South America
Colombia   
Brazil, Colombia, Venezuela   

Deposits in Oceania Continent
  
  

Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula   
New Zealand, Queensland, Western Australia   

Summary >>
<< Reserves

All about Oolite and Quartzite Properties

Know all about Oolite and Quartzite properties here. All properties of rocks are important as they define the type of rock and its application. Oolite belongs to Sedimentary Rocks while Quartzite belongs to Metamorphic Rocks.Texture of Oolite is Clastic or Non-Clastic whereas that of Quartzite is Foliated, Granular. Oolite appears Rounded and Rough and Quartzite appears Lustrous. The luster of Oolite is pearly to shiny while that of Quartzite is vitreous. Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors whereas Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. The commercial uses of Oolite are creating artwork, jewelry, used in aquariums and that of Quartzite are an oil and gas reservoir, as armour rock for sea walls, cemetery markers, commemorative tablets, in aquifers, laboratory bench tops, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.

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