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Litchfieldite vs Pegmatite


Pegmatite vs Litchfieldite


Definition

Definition
Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite   
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals   

History
  
  

Origin
USA   
Unknown   

Discoverer
Bayley   
R. J. Hauy   

Etymology
From its occurrence at Litchfield, Maine, USA   
From Greek pegma, pegmat which means- thing joined together + -ite   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture

Texture
Granular   
Pegmatitic   

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

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
Banded and Foilated   
Layered, Banded, Veined and Shiny   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories, Production of Glass and Ceramics   
As Dimension Stone, Building houses or walls, Construction Aggregate, for Road Aggregate, Landscaping   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture   
Artifacts, Sculpture, Small Figurines   

Other Uses
  
  

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

Types

Types
Borolanite and Litchfieldite   
Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite   

Features
Application of acids on the surface causes cloudy frosting, Available in Lots of Colors and Patterns, Dissolves in hydrochloric acid, Is one of the oldest rock   
Generally rough to touch, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz   

Archaeological Significance
  
  

Monuments
Used   
Not Yet Used   

Famous Monuments
Data Not Available   
Not Applicable   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Litchfieldite 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.   
Pegmatite rock is holocrystalline, intrusive igneous rock which is formed by partial melting and dewatering during the process of metamorphism.   

Composition
  
  

Mineral Content
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite   
Apatite, Beryl, Feldspar, Fluorite, Garnet, Lepidolite, Quartz, Silica, Spodumene, Topaz   

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

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
5.5-6   
7   

Grain Size
Coarse Grained   
Medium to Coarse Grained   

Fracture
Conchoidal to Uneven   
Conchoidal   

Streak
White   
White   

Porosity
Less Porous   
Less Porous   

Luster
Greasy to Dull   
Grainy, Pearly and Vitreous   

Compressive Strength
150.00 N/mm2   
14
178.54 N/mm2   
12

Cleavage
Poor   
Perfect   

Toughness
Not Available   
2.1   

Specific Gravity
2.6   
2.6-2.63   

Transparency
Translucent to Opaque   
Translucent to Opaque   

Density
2.6 g/cm3   
2.6-2.65 g/cm3   

Thermal Properties
  
  

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Not Yet Found   
China, India, Iran, Japan, Nepal, North Korea, Russia, Saudi Arabia, South Korea   

Africa
South Africa   
South Africa   

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

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada   
Canada   

South America
Brazil   
Brazil   

Deposits in Oceania Continent
  
  

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

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Litchfieldite vs Pegmatite 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 Litchfieldite and Pegmatite Reserves. Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite. Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. 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 Litchfieldite vs Pegmatite information and Litchfieldite vs Pegmatite characteristics in the upcoming sections.

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Litchfieldite vs Pegmatite 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. Litchfieldite vs Pegmatite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Litchfieldite and Properties of Pegmatite. Learn more about Litchfieldite vs Pegmatite in the next section. The interior uses of Litchfieldite include Countertops, Decorative aggregates, Flooring and Interior decoration whereas the interior uses of Pegmatite include Decorative aggregates, Flooring and Interior decoration. Due to some exceptional properties of Litchfieldite and Pegmatite, they have various applications in construction industry. The uses of Litchfieldite in construction industry include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate, Landscaping, Making natural cement, Manufacture of magnesium and dolomite refractories, Production of glass and ceramics and that of Pegmatite include As dimension stone, Building houses or walls, Construction aggregate, For road aggregate, Landscaping.

More about Litchfieldite and Pegmatite

Here you can know more about Litchfieldite and Pegmatite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Litchfieldite and Pegmatite consists of mineral content and compound content. The mineral content of Litchfieldite includes Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite and mineral content of Pegmatite includes Apatite, Beryl, Feldspar, Fluorite, Garnet, Lepidolite, Quartz, Silica, Spodumene, Topaz. You can also check out the list of all Igneous Rocks. When we have to compare Litchfieldite vs Pegmatite, the texture, color and appearance plays an important role in determining the type of rock. Litchfieldite is available in brown, buff, cream, green, grey, pink, white colors whereas, Pegmatite is available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow colors. Appearance of Litchfieldite is Banded and Foilated and that of Pegmatite is Layered, Banded, Veined and Shiny. Properties of rock is another aspect for Litchfieldite vs Pegmatite. The hardness of Litchfieldite is 5.5-6 and that of Pegmatite is 7. The types of Litchfieldite are Borolanite and Litchfieldite whereas types of Pegmatite are Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Litchfieldite and Pegmatite is white. The specific heat capacity of Litchfieldite is Not Available and that of Pegmatite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Litchfieldite is heat resistant, impact resistant, wear resistant whereas Pegmatite is heat resistant, impact resistant, pressure resistant.

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