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Shoshonite and Jadeitite


Jadeitite and Shoshonite


Definition

Definition
Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass   
Jadeitite is a metamorphic rock usually found in blueschist grade metamorphic terrains   

History
  
  

Origin
Wyoming,USA   
Unknown   

Discoverer
Iddings   
Unknown   

Etymology
From the place of origin called Shoshone riverin Wyoming   
From pyroxene mineral jadeite   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture

Texture
Porphyritic   
Earthy   

Color
Brown- Black, Dark 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
Yes   
No   

Acid Resistant
Yes   
No   

Appearance
Dull   
Rough and Dull   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone   
As Dimension Stone, Cutting Tool, Knives   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
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
Has High structural resistance against erosion and climate, Very fine grained 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
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Shoshonite 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
Pyroxene   
Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides   

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

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism   
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
Chemical Erosion, Coastal Erosion, Glacier Erosion   
Coastal Erosion, Water Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
6   
3-5   

Grain Size
Medium to Fine Coarse Grained   
Very fine-grained   

Fracture
Uneven   
Uneven   

Streak
White to Grey   
White, Greenish White or Grey   

Porosity
Less Porous   
Less Porous   

Luster
Dull   
Waxy and Dull   

Compressive Strength
Not Available   
310.00 N/mm2   
2

Cleavage
Poor   
Irregular   

Toughness
1.6   
7   

Specific Gravity
2.98   
2.79-3   

Transparency
Opaque   
Opaque   

Density
2.9-3 g/cm3   
2.5-3 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.95 kJ/Kg K   
9

Resistance
Heat Resistant, Pressure Resistant   
Heat Resistant, Water Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia   
India, Saudi Arabia, Singapore, South Korea   

Africa
South Africa   
Ethiopia, Western Africa   

Europe
Iceland   
England, Georgia, Switzerland, United Kingdom   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada   

South America
Brazil   
Colombia   

Deposits in Oceania Continent
  
  

Australia
Not Yet Found   
Central Australia, New South Wales, New Zealand, Western Australia   

Summary >>
<< Reserves

All about Shoshonite and Jadeitite Properties

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

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