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Granulite vs Gossan


Gossan vs Granulite


Definition

Definition
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.  
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.  

History
  
  

Origin
Central Europe  
Indonesia  

Discoverer
Unknown  
Cornish Gossen  

Etymology
From Latin granulum, a little grain or fine grained  
From Cornish gossen from gos, blood from Old Cornish guit  

Class
Metamorphic Rocks  
Metamorphic Rocks  

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

Family
  
  

Group
-  
-  

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

Texture

Texture
Granoblastic  
Rough, Sandy  

Color
Black, Brown  
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
No  
No  

Acid Resistant
No  
No  

Appearance
Veined or Pebbled  
Dull and Banded  

Uses

Architecture
  
  

Interior Uses
Bathrooms, Countertops, Decorative Aggregates, Entryways, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads  
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, Building houses or walls  
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate  

Medical Industry
-  
-  

Antiquity Uses
Artifacts, Monuments, Sculpture  
Artifacts  

Other Uses
  
  

Commercial Uses
Curling, Gemstone, Laboratory bench tops, Soil Conditioner, Tombstones  
Cemetery Markers, Commemorative Tablets, Gemstone  

Types

Types
Metamorphic rock  
Translocated gossan and Leakage gossan  

Features
Clasts are smooth to touch  
Clasts are smooth to touch, Easily splits into thin plates  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Granulite is a fine-grained granular metamorphic rock in which the main component minerals are feldspars and quartz and forms at high temperature and pressure conditions.  
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, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Quartz  
Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon  

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

Transformation
  
  

Metamorphism
No  
No  

Types of Metamorphism
-  
-  

Weathering
Yes  
No  

Types of Weathering
Biological Weathering, Chemical Weathering  
-  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
6-7  
4-5  

Grain Size
Medium to Coarse Grained  
Fine to Medium Grained  

Fracture
-  
Conchoidal  

Streak
White  
White to Grey  

Porosity
Very Less Porous  
Highly Porous  

Luster
Vitreous  
Metallic  

Compressive Strength
175.00 N/mm2  
20
-  

Cleavage
-  
-  

Toughness
-  
-  

Specific Gravity
2.8-3.0  
2.0  

Transparency
Opaque  
Opaque  

Density
3.06-3.33 g/cm3  
-9999 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.14 kJ/Kg K  
33
0.24 kJ/Kg K  
31

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam  
China, India, Indonesia, Russia, Singapore, South Korea  

Africa
Angola, Egypt, Madagascar, Nigeria, South Africa  
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa  

Europe
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic  
Albania, France, Germany, Great Britain, United Kingdom  

Others
-  
-  

Deposits in Western Continents
  
  

North America
Canada, USA  
Canada, USA  

South America
-  
Brazil, Colombia, Ecuador  

Deposits in Oceania Continent
  
  

Australia
-  
New South Wales, South Australia, Western Australia  

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Granulite 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 Granulite and Gossan Reserves. Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.. 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 Granulite vs Gossan information and Granulite vs Gossan characteristics in the upcoming sections.

Compare Metamorphic Rocks

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

More about Granulite and Gossan

Here you can know more about Granulite and Gossan. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Granulite and Gossan consists of mineral content and compound content. The mineral content of Granulite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Quartz 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 Metamorphic Rocks. When we have to compare Granulite vs Gossan, the texture, color and appearance plays an important role in determining the type of rock. Granulite is available in black, brown colors whereas, Gossan is available in brown, brown- black, gold, green, rust colors. Appearance of Granulite is Veined or Pebbled and that of Gossan is Dull and Banded. Properties of rock is another aspect for Granulite vs Gossan. The hardness of Granulite is 6-7 and that of Gossan is 4-5. The types of Granulite are Metamorphic rock 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 Granulite is white while that of Gossan is white to grey. The specific heat capacity of Granulite is 0.14 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.Granulite is heat resistant, wear resistant whereas Gossan is heat resistant, impact resistant, pressure resistant.

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