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Monzogranite and Nephelinite


Nephelinite and Monzogranite


Definition

Definition
Monzogranite is a type of igneous rock and belongs to biotite granite rocks that are considered to be the final fractionation product of magma   
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).   

History
  
  

Origin
Unknown   
Brazil   

Discoverer
Unknown   
Unknown   

Etymology
From its mineral content   
from French néphéline, from Greek nephelē   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture

Texture
Porphyritic   
Aphanitic   

Color
Black, Grey, Orange, Pink, White   
Black, Brown, Colourless, Green, Grey, White   

Maintenance
More   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
No   
Yes   

Acid Resistant
Yes   
Yes   

Appearance
Veined or Pebbled   
Skeletal   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Not Yet Used   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone   
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate   

Medical Industry
Not Yet Used   
Not Yet Used   

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

Other Uses
  
  

Commercial Uses
Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling, Tombstones   
Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)   

Types

Types
Muscovite-Biotite-Metagranite, Muscovite-Metagranite, Schollen-Metagranite and Biotite-Metagranite   
Peralkaline Nephelinite   

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

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   
Not Used   

Petroglyphs
Not Used   
Not Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Monzogranite 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.   
Nephelinite 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
Apatite, Biotite, Hornblende, Microcline, Perthite, Plagioclase, Quartz, Titanite, Zircon   
Clinopyroxene, Nepheline, Plagioclase   

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

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
6-7   
6.5   

Grain Size
Coarse Grained   
Fine Grained   

Fracture
Not Available   
Flat   

Streak
White   
White   

Porosity
Less Porous   
Less Porous   

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

Compressive Strength
175.00 N/mm2   
13
35.00 N/mm2   
29

Cleavage
Not Available   
Imperfect   

Toughness
Not Available   
2.7   

Specific Gravity
2.6-2.7   
2.4-2.9   

Transparency
Opaque   
Opaque   

Density
2.6-2.8 g/cm3   
2.5-3 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.79 kJ/Kg K   
16
0.88 kJ/Kg K   
13

Resistance
Heat Resistant, Wear Resistant   
Heat Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam   
Japan   

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

Europe
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela   
Not Yet Found   

Others
Not Yet Found   
Hawaii Islands   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Not Yet Found   
Colombia   

Deposits in Oceania Continent
  
  

Australia
Not Yet Found   
Not Yet Found   

Summary >>
<< Reserves

All about Monzogranite and Nephelinite Properties

Know all about Monzogranite and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Monzogranite and Nephelinite belong to Igneous Rocks.Texture of Monzogranite is Porphyritic whereas that of Nephelinite is Aphanitic. Monzogranite appears Veined or Pebbled and Nephelinite appears Skeletal. The luster of Monzogranite is dull to grainy with sporadic parts pearly and vitreous while that of Nephelinite is vitreous to metallic. Monzogranite is available in black, grey, orange, pink, white colors whereas Nephelinite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Monzogranite are cemetery markers, commemorative tablets, creating artwork, curling, tombstones and that of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo).

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