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Felsite vs Harzburgite


Harzburgite vs Felsite


Definition

Definition
Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition   
Harzburgite is a plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine   

History
  
  

Origin
Unknown   
Germany   

Discoverer
Unknown   
Unknown   

Etymology
From English feldspar and -ite   
From the name of a town in Harzburg, Germany   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture

Texture
Arborescent Patterned, Vitreous   
Phaneritic   

Color
Black, Blue, Brown, Green, Orange, Red, Tan, Yellow   
Dark Greenish - Grey   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
Yes   
Yes   

Acid Resistant
No   
No   

Appearance
Layered, Banded, Veined and Shiny   
Rough and Shiny   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
Arrowheads, Cutting Tool, Knives, Scrapers, Spear Points   
As Dimension Stone, Cobblestones   

Medical Industry
Surgery   
Not Yet Used   

Antiquity Uses
Artifacts   
Artifacts, Monuments, Sculpture, Small Figurines   

Other Uses
  
  

Commercial Uses
Mirror, Jewelry   
Creating Artwork, Gemstone, Jewelry, Source of Chromite, Platinum, Nickel and Garnet, Source of Diamonds   

Types

Types
Not Available   
Not Available   

Features
Available in Lots of Colors and Patterns, Clasts are smooth to touch, Splintery, Very fine grained rock   
Constitutes upper part of the Earth's mantle, Generally rough to touch, Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Data Not Available   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Not Yet Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Felsite 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.   
Harzburgite 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
Feldspar, Iron Oxides   
Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene   

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   
Ca, Fe, Mg, Potassium, Silicon Dioxide, Sodium, Titanium Dioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
5-5.5   
5.5-6   

Grain Size
Fine Grained   
Coarse Grained   

Fracture
Conchoidal   
Irregular   

Streak
White   
White   

Porosity
Very Less Porous   
Less Porous   

Luster
Vitreous   
Shiny   

Compressive Strength
0.15 N/mm2   
33
Not Available   

Cleavage
Non-Existent   
Imperfect   

Toughness
Not Available   
2.1   

Specific Gravity
2.6-2.7   
3-3.01   

Transparency
Translucent   
Translucent to Opaque   

Density
2.6 g/cm3   
3.1-3.4 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.92 kJ/Kg K   
10
1.25 kJ/Kg K   
6

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Afghanistan, Indonesia, Japan, Russia   
Japan, Oman   

Africa
Kenya   
South Africa   

Europe
Greece, Hungary, Iceland, Italy, Turkey   
France, Germany, Italy, Venezuela   

Others
Not Yet Found   
Hawaii Islands, Mid-Atlantic Ridge   

Deposits in Western Continents
  
  

North America
Canada, Mexico, USA   
Canada, USA   

South America
Argentina, Chile, Ecuador, Peru   
Not Yet Found   

Deposits in Oceania Continent
  
  

Australia
New Zealand   
Not Yet Found   

Definition >>
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Felsite vs Harzburgite 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 Felsite and Harzburgite Reserves. Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Harzburgite is a plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine. 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 Felsite vs Harzburgite information and Felsite vs Harzburgite characteristics in the upcoming sections.

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Felsite vs Harzburgite 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. Felsite vs Harzburgite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Felsite and Properties of Harzburgite. Learn more about Felsite vs Harzburgite in the next section. The interior uses of Felsite include Decorative aggregates, Flooring and Interior decoration whereas the interior uses of Harzburgite include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Felsite and Harzburgite, they have various applications in construction industry. The uses of Felsite in construction industry include Arrowheads, Cutting tool, Knives, Scrapers, Spear points and that of Harzburgite include As dimension stone, Cobblestones.

More about Felsite and Harzburgite

Here you can know more about Felsite and Harzburgite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Felsite and Harzburgite consists of mineral content and compound content. The mineral content of Felsite includes Feldspar, Iron Oxides and mineral content of Harzburgite includes Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Felsite vs Harzburgite, the texture, color and appearance plays an important role in determining the type of rock. Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors whereas, Harzburgite is available in dark greenish - grey colors. Appearance of Felsite is Layered, Banded, Veined and Shiny and that of Harzburgite is Rough and Shiny. Properties of rock is another aspect for Felsite vs Harzburgite. The hardness of Felsite is 5-5.5 and that of Harzburgite is 5.5-6. The types of Felsite are Not Available whereas types of Harzburgite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Felsite and Harzburgite is white. The specific heat capacity of Felsite is 0.92 kJ/Kg K and that of Harzburgite is 1.25 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Felsite is heat resistant, impact resistant whereas Harzburgite is heat resistant, pressure resistant, wear resistant.

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