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Hornfels vs Pantellerite


Pantellerite vs Hornfels


Definition

Definition
Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock   
Pantellerite is a peralkaline rhyolite. It has a higher iron and lower aluminium composition than comendite   

History
  
  

Origin
New Zealand   
Strait of sicily   

Discoverer
Unknown   
Unknown   

Etymology
From German which means hornstone   
From Pantelleria, a volcanic island in the Strait of Sicily   

Class
Metamorphic Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture

Texture
Granular, Platy   
Eutaxitic   

Color
Brown, Dark Greenish - Grey, Green, Reddish Brown   
Dark Greenish - Grey   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
No   
Yes   

Acid Resistant
No   
Yes   

Appearance
Dull   
Layered and Foliated   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Flooring, Homes, Interior Decoration   
Not Yet Used   

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

Other Architectural Uses
Curbing   
Not Yet Used   

Industry
  
  

Construction Industry
for Road Aggregate, Roadstone   
NA   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments   
Artifacts, Sculpture   

Other Uses
  
  

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

Types

Types
Biotite hornfels   
Pantelleritic Ignimbrite   

Features
Smooth to touch   
High Fe content   

Archaeological Significance
  
  

Monuments
Used   
Not Yet Used   

Famous Monuments
Data Not Available   
Not Applicable   

Sculpture
Not Yet Used   
Not Yet Used   

Famous Sculptures
Not Applicable   
Not Applicable   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Not Yet Used   
Not Yet Used   

Fossils
Absent   
Absent   

Formation

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

Composition
  
  

Mineral Content
Andalusite   
Amphibole, Feldspar, Ilmenite   

Compound Content
Fe, Mg   
Al, Fe   

Transformation
  
  

Metamorphism
No   
Yes   

Types of Metamorphism
Not Applicable   
Burial Metamorphism, Cataclastic Metamorphism   

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering   
Biological Weathering, Chemical Weathering   

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
2-3   
6-7   

Grain Size
Fine Grained   
Fine Grained   

Fracture
Conchoidal   
Sub-conchoidal   

Porosity
Highly Porous   
Less Porous   

Luster
Shiny   
Earthy   

Compressive Strength
5.80 N/mm2   
31
Not Available   

Cleavage
Perfect   
Conchoidal   

Toughness
Not Yet Found   
2   

Specific Gravity
3.4-3.9   
Not Available   

Transparency
Opaque   
Translucent to Opaque   

Density
0.25-0.30 g/cm3   
Not Available   

Thermal Properties
  
  

Specific Heat Capacity
0.84 kJ/Kg K   
15
Not Available   

Resistance
Heat Resistant, Impact Resistant, Pressure Resistant   
Heat Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand   
China, India   

Africa
Cameroon, East Africa, Tanzania, Western Africa   
Angola, Egypt, Madagascar, Namibia, Nigeria   

Europe
United Kingdom   
Germany, Iceland, Ireland, Italy, Spain, United Kingdom   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

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

Deposits in Oceania Continent
  
  

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

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Hornfels vs Pantellerite Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Hornfels and Pantellerite Reserves. Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock. Pantellerite is a peralkaline rhyolite. It has a higher iron and lower aluminium composition than comendite. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Hornfels vs Pantellerite information and Hornfels vs Pantellerite characteristics in the upcoming sections.

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Hornfels vs Pantellerite Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Hornfels vs Pantellerite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Hornfels and Properties of Pantellerite. Learn more about Hornfels vs Pantellerite in the next section. The interior uses of Hornfels include Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Pantellerite include Not yet used. Due to some exceptional properties of Hornfels and Pantellerite, they have various applications in construction industry. The uses of Hornfels in construction industry include For road aggregate, Roadstone and that of Pantellerite include Na.

More about Hornfels and Pantellerite

Here you can know more about Hornfels and Pantellerite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Hornfels and Pantellerite consists of mineral content and compound content. The mineral content of Hornfels includes Andalusite and mineral content of Pantellerite includes Amphibole, Feldspar, Ilmenite. You can also check out the list of all Metamorphic Rocks. When we have to compare Hornfels vs Pantellerite, the texture, color and appearance plays an important role in determining the type of rock. Hornfels is available in brown, dark greenish - grey, green, reddish brown colors whereas, Pantellerite is available in dark greenish - grey colors. Appearance of Hornfels is Dull and that of Pantellerite is Layered and Foliated. Properties of rock is another aspect for Hornfels vs Pantellerite. The hardness of Hornfels is 2-3 and that of Pantellerite is 6-7. The types of Hornfels are Biotite hornfels whereas types of Pantellerite are Pantelleritic Ignimbrite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Hornfels and Pantellerite is unknown. The specific heat capacity of Hornfels is 0.84 kJ/Kg K and that of Pantellerite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Hornfels is heat resistant, impact resistant, pressure resistant whereas Pantellerite is heat resistant.

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