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Foidolite vs Andesite


Andesite vs Foidolite


Definition

Definition
Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%   
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava   

History
  
  

Origin
Unknown   
North America   

Discoverer
Unknown   
Unknown   

Etymology
From the mineral feldspathoid which is the main content of rock   
From Andes mountains, where it is found in abundance   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture

Texture
Earthy   
Aphanitic to Porphyritic   

Color
Black, Brown, Colourless, Green, Grey, Pink, White   
Bluish - Grey, Grey, Pink, Yellow   

Maintenance
Less   
More   

Durability
Durable   
Durable   

Water Resistant
No   
No   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
No   
No   

Acid Resistant
No   
Yes   

Appearance
Dull   
Dull and Soft   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Interior Decoration   
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration, Kitchens   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate   
Cobblestones, Construction Aggregate, for Road Aggregate   

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

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

Other Uses
  
  

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

Types

Types
Not Available   
Icelandite   

Features
Host Rock for Lead   
Generally rough to touch, High silica content, Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Middle of the Earth in Ecuador   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Foidolites 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.   
Andesite is a fine-grained igneous rock that forms when the magma is erupted onto the surface and is crystallized quickly.   

Composition
  
  

Mineral Content
Amphibole, Biotite, Feldspar, Olivine, Plagioclase, Pyroxene   
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon   

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO   
Silicon Dioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
No   
Yes   

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

Erosion
No   
Yes   

Types of Erosion
Not Applicable   
Chemical Erosion, Coastal Erosion, Glacier Erosion   

Properties

Physical Properties
  
  

Hardness
1.5   
7   

Grain Size
Medium to Fine Coarse Grained   
Very fine-grained   

Fracture
Conchoidal   
Uneven   

Streak
White   
White   

Porosity
Very Less Porous   
Less Porous   

Luster
Subvitreous to Dull   
Vitreous   

Compressive Strength
Not Available   
225.00 N/mm2   
7

Cleavage
Perfect   
Not Available   

Toughness
Not Available   
1.1   

Specific Gravity
2.86   
2.5-2.8   

Transparency
Translucent   
Opaque   

Density
Not Available   
2.11-2.36 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
2.39 kJ/Kg K   
2

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Russia   
India, Indonesia, Japan, Nepal, South Korea   

Africa
South Africa, Western Africa   
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania   

Europe
Not Yet Found   
Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Mexico, USA   

South America
Not Yet Found   
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela   

Deposits in Oceania Continent
  
  

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

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Foidolite vs Andesite 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 Foidolite and Andesite Reserves. Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. 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 Foidolite vs Andesite information and Foidolite vs Andesite characteristics in the upcoming sections.

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Foidolite vs Andesite 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. Foidolite vs Andesite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Foidolite and Properties of Andesite. Learn more about Foidolite vs Andesite in the next section. The interior uses of Foidolite include Decorative aggregates and Interior decoration whereas the interior uses of Andesite include Decorative aggregates, Floor tiles, Homes, Interior decoration and Kitchens. Due to some exceptional properties of Foidolite and Andesite, they have various applications in construction industry. The uses of Foidolite in construction industry include As dimension stone, Cement manufacture, For road aggregate and that of Andesite include Cobblestones, Construction aggregate, For road aggregate.

More about Foidolite and Andesite

Here you can know more about Foidolite and Andesite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Foidolite and Andesite consists of mineral content and compound content. The mineral content of Foidolite includes Amphibole, Biotite, Feldspar, Olivine, Plagioclase, Pyroxene and mineral content of Andesite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon. You can also check out the list of all Igneous Rocks. When we have to compare Foidolite vs Andesite, the texture, color and appearance plays an important role in determining the type of rock. Foidolite is available in black, brown, colourless, green, grey, pink, white colors whereas, Andesite is available in bluish - grey, grey, pink, yellow colors. Appearance of Foidolite is Dull and that of Andesite is Dull and Soft. Properties of rock is another aspect for Foidolite vs Andesite. The hardness of Foidolite is 1.5 and that of Andesite is 7. The types of Foidolite are Not Available whereas types of Andesite are Icelandite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Foidolite and Andesite is white. The specific heat capacity of Foidolite is Not Available and that of Andesite is 2.39 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Foidolite is heat resistant, wear resistant whereas Andesite is heat resistant, pressure resistant, wear resistant.

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