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Harzburgite vs Gossan


Gossan vs Harzburgite


Definition

Definition
Harzburgite is a plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine   
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.   

History
  
  

Origin
Germany   
Indonesia   

Discoverer
Unknown   
Cornish Gossen   

Etymology
From the name of a town in Harzburg, Germany   
From Cornish gossen from gos, blood from Old Cornish guit   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture

Texture
Phaneritic   
Rough, Sandy   

Color
Dark Greenish - Grey   
Brown, Brown- Black, Gold, Green, Rust   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
Yes   
No   

Acid Resistant
No   
No   

Appearance
Rough and Shiny   
Dull and Banded   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

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

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines   
Artifacts   

Other Uses
  
  

Commercial Uses
Creating Artwork, Gemstone, Jewelry, Source of Chromite, Platinum, Nickel and Garnet, Source of Diamonds   
Cemetery Markers, Commemorative Tablets, Gemstone   

Types

Types
Not Available   
Translocated gossan and Leakage gossan   

Features
Constitutes upper part of the Earth's mantle, Generally rough to touch, Is one of the oldest rock   
Clasts are smooth to touch, Easily splits into thin plates   

Archaeological Significance
  
  

Monuments
Used   
Not Yet Used   

Famous Monuments
Data Not Available   
Not Applicable   

Sculpture
Used   
Not Yet Used   

Famous Sculptures
Data Not Available   
Not Applicable   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Not Yet Used   

Fossils
Absent   
Absent   

Formation

Formation
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.   
Earth movements can cause rocks to be either deeply buried or squeezed and hence the rocks are heated and put under great pressure.   

Composition
  
  

Mineral Content
Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene   
Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon   

Compound Content
Ca, Fe, Mg, Potassium, Silicon Dioxide, Sodium, Titanium Dioxide   
Aluminium Oxide, CaO, Fe, FeO, Silicon Dioxide, Sulphur   

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Impact Metamorphism   
Not Applicable   

Weathering
Yes   
No   

Types of Weathering
Chemical Weathering, Mechanical Weathering   
Not Applicable   

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Sea Erosion   
Chemical Erosion, Sea Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
5.5-6   
4-5   

Grain Size
Coarse Grained   
Fine to Medium Grained   

Fracture
Irregular   
Conchoidal   

Streak
White   
White to Grey   

Porosity
Less Porous   
Highly Porous   

Luster
Shiny   
Metallic   

Cleavage
Imperfect   
Not Available   

Toughness
2.1   
Not Available   

Specific Gravity
3-3.01   
2.0   

Transparency
Translucent to Opaque   
Opaque   

Density
3.1-3.4 g/cm3   
Not Available   

Thermal Properties
  
  

Specific Heat Capacity
1.25 kJ/Kg K   
6
0.24 kJ/Kg K   
24

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Japan, Oman   
China, India, Indonesia, Russia, Singapore, South Korea   

Africa
South Africa   
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa   

Europe
France, Germany, Italy, Venezuela   
Albania, France, Germany, Great Britain, United Kingdom   

Others
Hawaii Islands, Mid-Atlantic Ridge   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Not Yet Found   
Brazil, Colombia, Ecuador   

Deposits in Oceania Continent
  
  

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

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Harzburgite vs Gossan 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 Harzburgite and Gossan Reserves. Harzburgite is a plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine. Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. 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 Harzburgite vs Gossan information and Harzburgite vs Gossan characteristics in the upcoming sections.

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

More about Harzburgite and Gossan

Here you can know more about Harzburgite and Gossan. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Harzburgite and Gossan consists of mineral content and compound content. The mineral content of Harzburgite includes Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene and mineral content of Gossan includes Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon. You can also check out the list of all Igneous Rocks. When we have to compare Harzburgite vs Gossan, the texture, color and appearance plays an important role in determining the type of rock. Harzburgite is available in dark greenish - grey colors whereas, Gossan is available in brown, brown- black, gold, green, rust colors. Appearance of Harzburgite is Rough and Shiny and that of Gossan is Dull and Banded. Properties of rock is another aspect for Harzburgite vs Gossan. The hardness of Harzburgite is 5.5-6 and that of Gossan is 4-5. The types of Harzburgite are Not Available whereas types of Gossan are Translocated gossan and Leakage gossan. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Harzburgite is white while that of Gossan is white to grey. The specific heat capacity of Harzburgite is 1.25 kJ/Kg K and that of Gossan is 0.24 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Harzburgite is heat resistant, pressure resistant, wear resistant whereas Gossan is heat resistant, impact resistant, pressure resistant.

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