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Pegmatite vs Jaspillite


Jaspillite vs Pegmatite


Definition

Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals  
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks  

History
  
  

Origin
-  
Western Australia, Minnesota  

Discoverer
R. J. Hauy  
Unknown  

Etymology
From Greek pegma, pegmat which means- thing joined together + -ite  
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper  

Class
Igneous Rocks  
Sedimentary Rocks  

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

Family
  
  

Group
Plutonic  
-  

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

Texture

Texture
Pegmatitic  
Banded, Trellis  

Color
Black, Brown, Cream, Green, Grey, Pink, Red, Rust, Silver, White, Yellow  
Red, Reddish Brown  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
No  

Scratch Resistant
Yes  
No  

Stain Resistant
Yes  
No  

Wind Resistant
No  
No  

Acid Resistant
No  
No  

Appearance
Layered, Banded, Veined and Shiny  
Banded and Glassy  

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone, Building houses or walls, Construction Aggregate, for Road Aggregate, Landscaping  
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, Sculpture, Small Figurines  
Artifacts, Jewellery, Monuments  

Other Uses
  
  

Commercial Uses
Creating Artwork, Jewelry, Source of corundum, tourmalines, beryls and topaz  
Creating Artwork, Jewelry  

Types

Types
Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite  
Algoma-type , Lake Superior-type and Superior-type  

Features
Generally rough to touch, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz  
Is one of the oldest rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Present  

Formation

Formation
Pegmatite rock is holocrystalline, intrusive igneous rock which is formed by partial melting and dewatering during the process of metamorphism.  
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
Apatite, Beryl, Feldspar, Fluorite, Garnet, Lepidolite, Quartz, Silica, Spodumene, Topaz  
Coesite, Quartz, Sand  

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

Transformation
  
  

Metamorphism
Yes  
No  

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

Weathering
Yes  
Yes  

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

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
7  
3  

Grain Size
Medium to Coarse Grained  
Large and Coarse Grained  

Fracture
Conchoidal  
Conchoidal  

Streak
White  
White  

Porosity
Less Porous  
Very Less Porous  

Luster
Grainy, Pearly and Vitreous  
Earthy  

Compressive Strength
178.54 N/mm2  
19
230.00 N/mm2  
7

Cleavage
Perfect  
-  

Toughness
2.1  
-  

Specific Gravity
2.6-2.63  
5.0-5.3  

Transparency
Translucent to Opaque  
Translucent to Opaque  

Density
2.6-2.65 g/cm3  
0-5.7 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.79 kJ/Kg K  
17
3.20 kJ/Kg K  
1

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Japan, Nepal, North Korea, Russia, Saudi Arabia, South Korea  
Russia  

Africa
South Africa  
-  

Europe
Austria, France, Greece, Ireland, Italy, Netherlands, Slovakia, Spain, Turkey, Ukraine  
Ukraine  

Others
-  
-  

Deposits in Western Continents
  
  

North America
Canada  
Canada, USA  

South America
Brazil  
Brazil  

Deposits in Oceania Continent
  
  

Australia
New South Wales, Queensland, South Australia, Western Australia  
Western Australia  

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Pegmatite 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 Pegmatite and Jaspillite Reserves. Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. 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 Pegmatite vs Jaspillite information and Pegmatite vs Jaspillite characteristics in the upcoming sections.

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Pegmatite 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. Pegmatite vs Jaspillite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Pegmatite and Properties of Jaspillite. Learn more about Pegmatite vs Jaspillite in the next section. The interior uses of Pegmatite include Decorative aggregates, Flooring and Interior decoration whereas the interior uses of Jaspillite include Decorative aggregates and Interior decoration. Due to some exceptional properties of Pegmatite and Jaspillite, they have various applications in construction industry. The uses of Pegmatite in construction industry include As dimension stone, Building houses or walls, Construction aggregate, For road aggregate, Landscaping 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 Pegmatite and Jaspillite

Here you can know more about Pegmatite and Jaspillite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Pegmatite and Jaspillite consists of mineral content and compound content. The mineral content of Pegmatite includes Apatite, Beryl, Feldspar, Fluorite, Garnet, Lepidolite, Quartz, Silica, Spodumene, Topaz and mineral content of Jaspillite includes Coesite, Quartz, Sand. You can also check out the list of all Igneous Rocks. When we have to compare Pegmatite vs Jaspillite, the texture, color and appearance plays an important role in determining the type of rock. Pegmatite is available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow colors whereas, Jaspillite is available in red, reddish brown colors. Appearance of Pegmatite is Layered, Banded, Veined and Shiny and that of Jaspillite is Banded and Glassy. Properties of rock is another aspect for Pegmatite vs Jaspillite. The hardness of Pegmatite is 7 and that of Jaspillite is 3. The types of Pegmatite are Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite 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 Pegmatite and Jaspillite is white. The specific heat capacity of Pegmatite is 0.79 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.Pegmatite is heat resistant, impact resistant, pressure resistant whereas Jaspillite is heat resistant, impact resistant, wear resistant.

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