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Granophyre and Litchfieldite


Litchfieldite and Granophyre


Definition

Definition
Granophyre is a type of granitic rock which consists of intergrown feldspar and quartz crystals in a medium to fine grained groundmass   
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   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Bayley   

Etymology
From German Granophyr, from Granit granite + Porphyr   
From its occurrence at Litchfield, Maine, USA   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture

Texture
Granophyric   
Granular   

Color
Black, Grey, Orange, Pink, White   
Brown, Buff, Cream, Green, Grey, Pink, White   

Maintenance
More   
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
Veined or Pebbled   
Banded and Foilated   

Uses

Architecture
  
  

Interior Uses
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads   
Countertops, Decorative Aggregates, Flooring, Interior Decoration   

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

Other Architectural Uses
Not Yet Used   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone   
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   

Medical Industry
Not Yet Used   
Not Yet Used   

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

Other Uses
  
  

Commercial Uses
Curling, Gemstone, Laboratory bench tops, Tombstones   
Creating Artwork   

Types

Types
Not Available   
Borolanite and Litchfieldite   

Features
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock   
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   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Granophyre 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.   
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.   

Composition
  
  

Mineral Content
Hornblade, Orthoclase, Plagioclase, Quartz   
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite   

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, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering   
Biological Weathering, Mechanical Weathering   

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
6-7   
5.5-6   

Grain Size
Medium to Fine Coarse Grained   
Coarse Grained   

Fracture
Not Available   
Conchoidal to Uneven   

Streak
White   
White   

Porosity
Less Porous   
Less Porous   

Luster
Dull to Grainy with Sporadic parts Pearly and Vitreous   
Greasy to Dull   

Compressive Strength
175.00 N/mm2   
13
150.00 N/mm2   
14

Cleavage
Not Available   
Poor   

Toughness
Not Available   
Not Available   

Specific Gravity
2.6-2.7   
2.6   

Transparency
Opaque   
Translucent to Opaque   

Density
2.6-2.8 g/cm3   
2.6 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.79 kJ/Kg K   
16
Not Available   

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam   
Not Yet Found   

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa   
South Africa   

Europe
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela   
Finland, Norway, Portugal   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada   

South America
Not Yet Found   
Brazil   

Deposits in Oceania Continent
  
  

Australia
Not Yet Found   
Not Yet Found   

Summary >>
<< Reserves

All about Granophyre and Litchfieldite Properties

Know all about Granophyre and Litchfieldite properties here. All properties of rocks are important as they define the type of rock and its application. Granophyre and Litchfieldite belong to Igneous Rocks.Texture of Granophyre is Granophyric whereas that of Litchfieldite is Granular. Granophyre appears Veined or Pebbled and Litchfieldite appears Banded and Foilated. The luster of Granophyre is dull to grainy with sporadic parts pearly and vitreous while that of Litchfieldite is greasy to dull. Granophyre is available in black, grey, orange, pink, white colors whereas Litchfieldite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Granophyre are curling, gemstone, laboratory bench tops, tombstones and that of Litchfieldite are creating artwork.

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