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Kenyte and Dolomite


Dolomite 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   
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight   

History
  
  

Origin
Mount Kenya   
Southern Alps, France   

Discoverer
J. W. Gregory   
Dolomieu   

Etymology
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900   
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock   

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   
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   

Texture

Texture
Glassy, Granular   
Earthy   

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

Maintenance
More   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
No   

Scratch Resistant
Yes   
Yes   

Stain Resistant
No   
No   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Banded and Foilated   
Glassy or Pearly   

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   

Other Architectural Uses
Curbing   
Not Yet Used   

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 a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories, Production of Glass and Ceramics, Serves as an Oil and Gas Reservoir rock   

Medical Industry
Not Yet Used   
Taken as a Supplement for Calcium or Magnesium   

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

Other Uses
  
  

Commercial Uses
Cemetery Markers, Creating Artwork   
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)   

Types

Types
Not Available   
Boninite and Jasperoid   

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, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits   

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   
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.   
Dolomite rocks are originally deposited as calcite or aragonite rich limestone, but during diagenesis process, the calcite or aragonite is transformed into dolomite.   

Composition
  
  

Mineral Content
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite   
Clay Minerals, Pyrite, Quartz, Sulfides   

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

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
Yes   
No   

Types of Weathering
Biological Weathering   
Not Applicable   

Erosion
Yes   
No   

Types of Erosion
Chemical Erosion, Coastal Erosion   
Not Applicable   

Properties

Physical Properties
  
  

Hardness
5.5-6   
3.5-4   

Grain Size
Fine Grained   
Medium to Fine Coarse Grained   

Fracture
Conchoidal to Uneven   
Conchoidal   

Streak
White, Greenish White or Grey   
White   

Porosity
Highly Porous   
Less Porous   

Luster
Greasy to Dull   
Vitreous and Pearly   

Compressive Strength
150.00 N/mm2   
14
140.00 N/mm2   
15

Cleavage
Poor   
Perfect   

Toughness
Not Available   
1   

Specific Gravity
2.6   
2.8-3   

Transparency
Translucent to Opaque   
Transparent to Translucent   

Density
2.6 g/cm3   
2.8-2.9 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.92 kJ/Kg K   
10

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam   
China, India   

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa   
Morocco, Namibia   

Europe
Andorra, Finland, France, Germany, Great Britain, Italy, Norway, Portugal, Spain, Sweden   
Austria, Italy, Romania, Spain, Switzerland   

Others
Greenland   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Mexico, USA   

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

Deposits in Oceania Continent
  
  

Australia
New Zealand, Queensland, South Australia, Tasmania, Western Australia   
New South Wales, Queensland, Yorke Peninsula   

Summary >>
<< Reserves

All about Kenyte and Dolomite Properties

Know all about Kenyte and Dolomite properties here. All properties of rocks are important as they define the type of rock and its application. Kenyte belongs to Igneous Rocks while Dolomite belongs to Sedimentary Rocks.Texture of Kenyte is Glassy, Granular whereas that of Dolomite is Earthy. Kenyte appears Banded and Foilated and Dolomite appears Glassy or Pearly. The luster of Kenyte is greasy to dull while that of Dolomite is vitreous and pearly. Kenyte is available in brown, buff, cream, green, grey, pink, white colors whereas Dolomite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Kenyte are cemetery markers, creating artwork and that of Dolomite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).

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