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Arkose and Jadeitite


Jadeitite and Arkose


Definition

Definition
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar   
Jadeitite is a metamorphic rock usually found in blueschist grade metamorphic terrains   

History
  
  

Origin
France   
Unknown   

Discoverer
Alexandre Brongniart   
Unknown   

Etymology
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones   
From pyroxene mineral jadeite   

Class
Sedimentary Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture

Texture
Clastic   
Earthy   

Color
Reddish Brown   
Black, Brown, Colourless, Green, Grey, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
No   

Stain Resistant
Yes   
No   

Wind Resistant
No   
No   

Acid Resistant
Yes   
No   

Appearance
Rough and Dull   
Rough and Dull   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Homes, Interior Decoration   
Decorative Aggregates, Homes, Interior Decoration   

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

Other Architectural Uses
Whetstones   
Curbing   

Industry
  
  

Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar   
As Dimension Stone, Cutting Tool, Knives   

Medical Industry
Not Yet Used   
Not Yet Used   

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

Other Uses
  
  

Commercial Uses
In aquifers, Soil Conditioner, Source of Magnesia (MgO), Tombstones   
Commemorative Tablets, Creating Artwork, Jewelry   

Types

Types
Not Available   
Not Available   

Features
Available in Lots of Colors and Patterns, Generally rough to touch, Is one of the oldest rock   
Host Rock for Lead   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Used   
Used   

Fossils
Present   
Absent   

Formation

Formation
Arkose rock forms from the weathering of feldspar-rich igneous or metamorphic rock, most commonly granitic rocks, which are primarily composed of quartz and feldspar.   
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
Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz   
Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides   

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

Transformation
  
  

Metamorphism
No   
Yes   

Types of Metamorphism
Not Applicable   
Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism   

Weathering
Yes   
No   

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering   
Not Applicable   

Erosion
Yes   
Yes   

Types of Erosion
Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion   
Coastal Erosion, Water Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
6-7   
3-5   

Grain Size
Coarse Grained   
Very fine-grained   

Fracture
Conchoidal   
Uneven   

Streak
White   
White, Greenish White or Grey   

Porosity
Highly Porous   
Less Porous   

Luster
Dull   
Waxy and Dull   

Compressive Strength
Not Available   
310.00 N/mm2   
2

Cleavage
Not Available   
Irregular   

Toughness
Not Available   
7   

Specific Gravity
0   
2.79-3   

Transparency
Opaque   
Opaque   

Density
Not Available   
2.5-3 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.95 kJ/Kg K   
9

Resistance
Heat Resistant, Impact Resistant, Pressure Resistant   
Heat Resistant, Water Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan   
India, Saudi Arabia, Singapore, South Korea   

Africa
Namibia, Nigeria, South Africa   
Ethiopia, Western Africa   

Europe
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom   
England, Georgia, Switzerland, United Kingdom   

Others
Greenland   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada   

South America
Brazil   
Colombia   

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Arkose and Jadeitite Properties

Know all about Arkose and Jadeitite properties here. All properties of rocks are important as they define the type of rock and its application. Arkose belongs to Sedimentary Rocks while Jadeitite belongs to Metamorphic Rocks.Texture of Arkose is Clastic whereas that of Jadeitite is Earthy. Arkose appears Rough and Dull and Jadeitite appears Rough and Dull. The luster of Arkose is dull while that of Jadeitite is waxy and dull. Arkose is available in reddish brown colors whereas Jadeitite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones and that of Jadeitite are commemorative tablets, creating artwork, jewelry.

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