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Kenyte and Jadeitite


Jadeitite 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   
Jadeitite is a metamorphic rock usually found in blueschist grade metamorphic terrains   

History
  
  

Origin
Mount Kenya   
Unknown   

Discoverer
J. W. Gregory   
Unknown   

Etymology
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900   
From pyroxene mineral jadeite   

Class
Igneous Rocks   
Metamorphic 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   
Earthy   

Color
Brown, Buff, Cream, Green, Grey, Pink, White   
Black, Brown, Colourless, Green, Grey, White   

Maintenance
More   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
No   

Stain Resistant
No   
No   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Banded and Foilated   
Rough and Dull   

Uses

Architecture
  
  

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

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

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   
As Dimension Stone, Cutting Tool, Knives   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture   
Artifacts, Jewellery, Monuments, Sculpture   

Other Uses
  
  

Commercial Uses
Cemetery Markers, Creating Artwork   
Commemorative Tablets, Creating Artwork, Jewelry   

Types

Types
Not Available   
Not Available   

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   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

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.   
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Jadeitite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.   

Composition
  
  

Mineral Content
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite   
Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides   

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   
Ca, CaO, Carbon Dioxide, KCl, MgO, Sulfur Dioxide, Sulphur   

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Impact Metamorphism   
Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism   

Weathering
Yes   
No   

Types of Weathering
Biological Weathering   
Not Applicable   

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
5.5-6   
3-5   

Grain Size
Fine Grained   
Very fine-grained   

Fracture
Conchoidal to Uneven   
Uneven   

Streak
White, Greenish White or Grey   
White, Greenish White or Grey   

Porosity
Highly Porous   
Less Porous   

Luster
Greasy to Dull   
Waxy and Dull   

Compressive Strength
150.00 N/mm2   
14
310.00 N/mm2   
2

Cleavage
Poor   
Irregular   

Toughness
Not Available   
7   

Specific Gravity
2.6   
2.79-3   

Transparency
Translucent to Opaque   
Opaque   

Density
2.6 g/cm3   
2.5-3 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.95 kJ/Kg K   
9

Resistance
Heat Resistant, Impact Resistant, Wear Resistant   
Heat Resistant, Water Resistant   

Reserves

Deposits in Eastern Continents
  
  

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

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa   
Ethiopia, Western Africa   

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

Others
Greenland   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada   

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

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Kenyte and Jadeitite Properties

Know all about Kenyte and Jadeitite properties here. All properties of rocks are important as they define the type of rock and its application. Kenyte belongs to Igneous Rocks while Jadeitite belongs to Metamorphic Rocks.Texture of Kenyte is Glassy, Granular whereas that of Jadeitite is Earthy. Kenyte appears Banded and Foilated and Jadeitite appears Rough and Dull. The luster of Kenyte is greasy to dull while that of Jadeitite is waxy and dull. Kenyte is available in brown, buff, cream, green, grey, pink, white colors whereas Jadeitite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Kenyte are cemetery markers, creating artwork and that of Jadeitite are commemorative tablets, creating artwork, jewelry.

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