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Pantellerite and Greenschist


Greenschist and Pantellerite


Definition

Definition
Pantellerite is a peralkaline rhyolite. It has a higher iron and lower aluminium composition than comendite   
Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism   

History
  
  

Origin
Strait of sicily   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Pantelleria, a volcanic island in the Strait of Sicily   
From minerals such as chlorite, serpentine, and epidote, and platy minerals such as muscovite and platy serpentine which are green in color   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture

Texture
Eutaxitic   
Foliated, Platy   

Color
Dark Greenish - Grey   
Dark Greenish - Grey, Green   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
No   

Wind Resistant
Yes   
No   

Acid Resistant
Yes   
No   

Appearance
Layered and Foliated   
Layered and Shiny   

Uses

Architecture
  
  

Interior Uses
Not Yet Used   
Bathrooms, Countertops, Decorative Aggregates, Entryways, Homes, Interior Decoration   

Exterior Uses
Not Yet Used   
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings   

Other Architectural Uses
Not Yet Used   
Curbing   

Industry
  
  

Construction Industry
NA   
As Dimension Stone, Building houses or walls, Cement Manufacture, Cutting Tool, for Road Aggregate, Roadstone   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Sculpture   
Artifacts   

Other Uses
  
  

Commercial Uses
Creating Artwork   
Blackboards, Manufacture of tools, Writing Slates   

Types

Types
Pantelleritic Ignimbrite   
Not Available   

Features
High Fe content   
Easily splits into thin plates, Smooth to touch   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Not Yet Used   

Famous Monuments
Not Applicable   
Not Applicable   

Sculpture
Not Yet Used   
Not Yet Used   

Famous Sculptures
Not Applicable   
Not Applicable   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Not Yet Used   
Not Yet Used   

Fossils
Absent   
Absent   

Formation

Formation
Pantellerite 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.   
Greenschist is medium grade metamorphic rock, formed by the metamorphosis of mudstone or shale, or some types of igneous rock, when it is subjected to higher temperatures and pressures.   

Composition
  
  

Mineral Content
Amphibole, Feldspar, Ilmenite   
Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Serpentine, Sillimanite, Staurolite, Talc   

Compound Content
Al, Fe   
CaO, Carbon Dioxide, MgO   

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism   
Not Applicable   

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
6-7   
3.5-4   

Grain Size
Fine Grained   
Medium to Fine Coarse Grained   

Fracture
Sub-conchoidal   
Conchoidal   

Streak
Unknown   
White   

Porosity
Less Porous   
Highly Porous   

Luster
Earthy   
Shiny   

Cleavage
Conchoidal   
Slaty   

Toughness
2   
1.5   

Specific Gravity
Not Available   
2.5-2.9   

Transparency
Translucent to Opaque   
Opaque   

Density
Not Available   
2.8-2.9 g/cm3   

Thermal Properties
  
  

Resistance
Heat Resistant   
Impact Resistant, Pressure Resistant, Water Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India   
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam   

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

Europe
Germany, Iceland, Ireland, Italy, Spain, United Kingdom   
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, Costa Rica, Cuba, Mexico, Panama, USA   

South America
Argentina, Bolivia, Brazil, Colombia, Ecuador   
Brazil, Colombia, Guyana   

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Pantellerite and Greenschist Properties

Know all about Pantellerite and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Pantellerite belongs to Igneous Rocks while Greenschist belongs to Metamorphic Rocks.Texture of Pantellerite is Eutaxitic whereas that of Greenschist is Foliated, Platy. Pantellerite appears Layered and Foliated and Greenschist appears Layered and Shiny. The luster of Pantellerite is earthy while that of Greenschist is shiny. Pantellerite is available in dark greenish - grey colors whereas Greenschist is available in dark greenish - grey, green colors. The commercial uses of Pantellerite are creating artwork and that of Greenschist are blackboards, manufacture of tools, writing slates.

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