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Gneiss vs Jaspillite


Jaspillite vs Gneiss


Definition

Definition
Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks  
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks  

History
  
  

Origin
-  
Western Australia, Minnesota  

Discoverer
Unknown  
Unknown  

Etymology
From the Middle High German verb gneist (to spark; so called because the rock glitters)  
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper  

Class
Metamorphic Rocks  
Sedimentary Rocks  

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

Family
  
  

Group
-  
-  

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

Texture

Texture
Banded, Foliated, Platy  
Banded, Trellis  

Color
Black, Brown, Pink, Red, White  
Red, Reddish Brown  

Maintenance
More  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
No  

Scratch Resistant
Yes  
No  

Stain Resistant
Yes  
No  

Wind Resistant
Yes  
No  

Acid Resistant
No  
No  

Appearance
Foliated  
Banded and Glassy  

Uses

Architecture
  
  

Interior Uses
Countertops, Decorative Aggregates, Flooring, Interior Decoration  
Decorative Aggregates, Interior Decoration  

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone  
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories  

Medical Industry
-  
-  

Antiquity Uses
Artifacts  
Artifacts, Jewellery, Monuments  

Other Uses
  
  

Commercial Uses
Cemetery Markers, Jewelry, Tombstones, Used in aquariums  
Creating Artwork, Jewelry  

Types

Types
Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.  
Algoma-type , Lake Superior-type and Superior-type  

Features
Generally rough to touch, Is one of the oldest rock  
Is one of the oldest rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
Konark Sun Temple in India, Washington Monument, US  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Present  

Formation

Formation
Gneiss is a high grade metamorphic rock i.e. it has been subjected to higher temperatures and pressures than schist. It is formed by the metamorphosis of Gneiss forms from volcanic rock, shale or granitie.   
Jaspillite is a type of sedimentary rock which is formed by the compaction and sedimentation of pieces of broken or weathered rocks and minerals.  

Composition
  
  

Mineral Content
Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon  
Coesite, Quartz, Sand  

Compound Content
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, MnO, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide  
Fe, Iron(III) Oxide, Silicon Dioxide  

Transformation
  
  

Metamorphism
Yes  
No  

Types of Metamorphism
Impact Metamorphism  
-  

Weathering
Yes  
Yes  

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

Erosion
Yes  
Yes  

Types of Erosion
Chemical Erosion, Coastal Erosion, Sea Erosion  
Chemical Erosion, Coastal Erosion  

Properties

Physical Properties
  
  

Hardness
7  
3  

Grain Size
Medium to Coarse Grained  
Large and Coarse Grained  

Fracture
Irregular  
Conchoidal  

Streak
White  
White  

Porosity
Very Less Porous  
Very Less Porous  

Luster
Dull  
Earthy  

Compressive Strength
125.00 N/mm2  
25
230.00 N/mm2  
7

Cleavage
-  
-  

Toughness
1.2  
-  

Specific Gravity
2.5-2.7  
5.0-5.3  

Transparency
Translucent to Opaque  
Translucent to Opaque  

Density
2.6-2.9 g/cm3  
0-5.7 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.70 kJ/Kg K  
24
3.20 kJ/Kg K  
1

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia  
Russia  

Africa
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo  
-  

Europe
Albania, Austria, Bosnia and Herzegovina, Finland, France, Georgia, Germany, Hungary, Italy, Kosovo, Monaco, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, Switzerland, Ukraine, United Kingdom  
Ukraine  

Others
-  
-  

Deposits in Western Continents
  
  

North America
Canada, Costa Rica, Cuba, Mexico, Panama, USA  
Canada, USA  

South America
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela  
Brazil  

Deposits in Oceania Continent
  
  

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

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Gneiss vs Jaspillite 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 Gneiss and Jaspillite Reserves. Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks. 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 Gneiss vs Jaspillite information and Gneiss vs Jaspillite characteristics in the upcoming sections.

Compare Metamorphic Rocks

Gneiss vs Jaspillite 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. Gneiss vs Jaspillite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gneiss and Properties of Jaspillite. Learn more about Gneiss vs Jaspillite in the next section. The interior uses of Gneiss include Countertops, Decorative aggregates, Flooring and Interior decoration whereas the interior uses of Jaspillite include Decorative aggregates and Interior decoration. Due to some exceptional properties of Gneiss and Jaspillite, they have various applications in construction industry. The uses of Gneiss in construction industry include As dimension stone and that of Jaspillite include As a flux in the production of steel and pig iron, As a sintering agent in steel industry to process iron ore, As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories.

More about Gneiss and Jaspillite

Here you can know more about Gneiss and Jaspillite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gneiss and Jaspillite consists of mineral content and compound content. The mineral content of Gneiss includes Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon and mineral content of Jaspillite includes Coesite, Quartz, Sand. You can also check out the list of all Metamorphic Rocks. When we have to compare Gneiss vs Jaspillite, the texture, color and appearance plays an important role in determining the type of rock. Gneiss is available in black, brown, pink, red, white colors whereas, Jaspillite is available in red, reddish brown colors. Appearance of Gneiss is Foliated and that of Jaspillite is Banded and Glassy. Properties of rock is another aspect for Gneiss vs Jaspillite. The hardness of Gneiss is 7 and that of Jaspillite is 3. The types of Gneiss are Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss. whereas types of Jaspillite are Algoma-type , Lake Superior-type and Superior-type. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Gneiss and Jaspillite is white. The specific heat capacity of Gneiss is 0.70 kJ/Kg K and that of Jaspillite is 3.20 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Gneiss is heat resistant, pressure resistant, scratch resistant, wear resistant whereas Jaspillite is heat resistant, impact resistant, wear resistant.

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