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Kenyte and Limestone


Limestone and Kenyte


Definition

Definition
Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix   
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate   

History
  
  

Origin
Mount Kenya   
New Zealand   

Discoverer
J. W. Gregory   
Belsazar Hacquet   

Etymology
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900   
From lime and stone in late 14th Century   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture

Texture
Glassy, Granular   
Clastic or Non-Clastic   

Color
Brown, Buff, Cream, Green, Grey, Pink, White   
Beige, Black, Blue, Brown, Cream, Gold, Green, Grey, Light Green, Light Grey, Linen, Pink, Red, Rust, Silver, White, Yellow   

Maintenance
More   
More   

Durability
Durable   
Durable   

Water Resistant
Yes   
No   

Scratch Resistant
Yes   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Banded and Foilated   
Rough and Banded   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Entryways, Homes, Interior Decoration, Kitchens   
Decorative Aggregates, Interior Decoration   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories, Production of Glass and Ceramics   
Cement Manufacture, Cobblestones, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar, Roadstone, Source of calcium   

Medical Industry
Not Yet Used   
In Chemical and Pharmaceutical Industry, Medicines and Cosmetics   

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

Other Uses
  
  

Commercial Uses
Cemetery Markers, Creating Artwork   
Animal feed filler, As a Feed Additive for Livestock, Paper Industry, Raw material for manufacture of quicklime, slaked lime, Soil Conditioner, Used in aquariums, Whiting material in toothpaste, paint and paper   

Types

Types
Not Available   
Chalk, Coquina, Fossiliferous Limestone, Lithographic Limestone, Oolitic Limestone, Travertine, Tufa   

Features
Application of acids on the surface causes cloudy frosting, Available in Lots of Colors and Patterns, Dissolves in hydrochloric acid, Is one of the oldest rock   
Host Rock for Lead, Stalactites and stalagmites are formed from this rock, Zinc and Copper Deposits   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Acropolis of Athens in Greece, Agia Sophia in Istanbul, Turkey, Al Aqsa Mosque in Jerusalem, Angkor Wat in Cambodia, Big Ben in London, Charminar in Hyderabad, India, Chhatrapati Shivaji Terminus in Maharashtra, India, Chichen Itza in Mexico, Empire State Building in New York, Khajuraho Temples, India, Kremlin in Moscow, Louvre in Paris, France, Neuschwanstein in Bavaria, Potala Palace in Lahasa, Tibet, Wailing Wall in Jerusalem   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Ajanta Caves in Maharashtra, India, Elephanta Caves in Maharashtra, India   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Present   

Formation

Formation
Kenyte is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.   
Limestone is a sedimentary rock which is mainly made up of calcium carbonate.   

Composition
  
  

Mineral Content
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite   
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, NaCl, CaO, Iron(III) Oxide, FeO, MgO   

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Impact Metamorphism   
Not Applicable   

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Coastal Erosion   
Chemical Erosion, Coastal Erosion   

Properties

Physical Properties
  
  

Hardness
5.5-6   
3-4   

Grain Size
Fine Grained   
Fine Grained   

Fracture
Conchoidal to Uneven   
Splintery   

Streak
White, Greenish White or Grey   
White   

Porosity
Highly Porous   
Less Porous   

Luster
Greasy to Dull   
Dull to Pearly   

Compressive Strength
150.00 N/mm2   
14
115.00 N/mm2   
18

Cleavage
Poor   
Non-Existent   

Toughness
Not Available   
1   

Specific Gravity
2.6   
2.3-2.7   

Transparency
Translucent to Opaque   
Opaque   

Density
2.6 g/cm3   
2.3-2.7 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.91 kJ/Kg K   
11

Resistance
Heat Resistant, Impact Resistant, Wear Resistant   
Pressure Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam   
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam   

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa   
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe   

Europe
Andorra, Finland, France, Germany, Great Britain, Italy, Norway, Portugal, Spain, Sweden   
United Kingdom   

Others
Greenland   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
USA   

South America
Brazil, Chile, Colombia, Uruguay, Venezuela   
Colombia   

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Kenyte and Limestone Properties

Know all about Kenyte and Limestone properties here. All properties of rocks are important as they define the type of rock and its application. Kenyte belongs to Igneous Rocks while Limestone belongs to Sedimentary Rocks.Texture of Kenyte is Glassy, Granular whereas that of Limestone is Clastic or Non-Clastic. Kenyte appears Banded and Foilated and Limestone appears Rough and Banded. The luster of Kenyte is greasy to dull while that of Limestone is dull to pearly. Kenyte is available in brown, buff, cream, green, grey, pink, white colors whereas Limestone is available in beige, black, blue, brown, cream, gold, green, grey, light green, light grey, linen, pink, red, rust, silver, white, yellow colors. The commercial uses of Kenyte are cemetery markers, creating artwork and that of Limestone are animal feed filler, as a feed additive for livestock, paper industry, raw material for manufacture of quicklime, slaked lime, soil conditioner, used in aquariums, whiting material in toothpaste, paint and paper.

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