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Blue Granite vs Essexite 


Essexite  vs Blue Granite


Definition

Definition
Blue Granite is an igneous rock and a variety of Larvikite, notable for the presence of thumbnail-sized blue crystals of feldspar   
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From the color of rock, Blue   
From the locality in Essex County, Massachusetts,US   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture

Texture
Phaneritic   
Granular   

Color
Black, Brown, Light to Dark Grey, White   
Dark Grey to Black   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
Yes   
Yes   

Acid Resistant
No   
No   

Appearance
Shiny   
Banded   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Floor Tiles, Flooring, Interior Decoration   
Decorative Aggregates, Homes, Interior Decoration   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate   
As Dimension Stone, Building houses or walls, 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   
Cemetery Markers, Commemorative Tablets, Jewelry, Sea Defence, Tombstones   

Types

Types
Not Available   
Not Available   

Features
Available in lots of colors, Is one of the oldest rock   
Is one of the oldest rock, Smooth to touch   

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
Blue Granite is an igneous rock which is a variety of Larvikite and is known mainly for the presence of thumbnail-sized crystals of feldspar.   
Essexite is a type of igneous rock, which is usually dark grey to black plutonic rock. For the formation of essexite, suitable magma with exact composition of K, Ba, Rb, Cs, Sr should be produced.   

Composition
  
  

Mineral Content
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon   
Augite, Feldspar, Hornblende, Nepheline, Olivine, Plagioclase, Pyroxene   

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   
Aluminium Oxide, Ba, Ca, Cs, Potassium, Rb, Sodium, Sr   

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
6-7   
7   

Grain Size
Medium to Fine Coarse Grained   
Fine Grained   

Fracture
Not Available   
Conchoidal   

Streak
White   
Black   

Porosity
Less Porous   
Highly Porous   

Luster
Subvitreous to Dull   
Not Available   

Compressive Strength
175.00 N/mm2   
13
Not Available   

Cleavage
Not Available   
Not Available   

Toughness
Not Available   
1.6   

Specific Gravity
2.8-3   
Not Available   

Transparency
Opaque   
Opaque   

Density
2.9-2.91 g/cm3   
Not Available   

Thermal Properties
  
  

Specific Heat Capacity
0.79 kJ/Kg K   
16
Not Available   

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Not Yet Found   
India, Russia   

Africa
Not Yet Found   
South Africa   

Europe
Bulgaria, England, Germany, Norway, Romania, Switzerland   
Germany, Greece, Italy, Scotland, Turkey   

Others
Not Yet Found   
Greenland   

Deposits in Western Continents
  
  

North America
USA   
Canada, USA   

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

Deposits in Oceania Continent
  
  

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

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Blue Granite vs Essexite  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 Blue Granite and Essexite  Reserves. Blue Granite is an igneous rock and a variety of Larvikite, notable for the presence of thumbnail-sized blue crystals of feldspar. Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. 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 Blue Granite vs Essexite  information and Blue Granite vs Essexite  characteristics in the upcoming sections.

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

More about Blue Granite and Essexite 

Here you can know more about Blue Granite and Essexite . The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Blue Granite and Essexite  consists of mineral content and compound content. The mineral content of Blue Granite includes Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon and mineral content of Essexite  includes Augite, Feldspar, Hornblende, Nepheline, Olivine, Plagioclase, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Blue Granite vs Essexite , the texture, color and appearance plays an important role in determining the type of rock. Blue Granite is available in black, brown, light to dark grey, white colors whereas, Essexite  is available in dark grey to black colors. Appearance of Blue Granite is Shiny and that of Essexite  is Banded. Properties of rock is another aspect for Blue Granite vs Essexite . The hardness of Blue Granite is 6-7 and that of Essexite  is 7. The types of Blue Granite are Not Available whereas types of Essexite  are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Blue Granite is white while that of Essexite  is black. The specific heat capacity of Blue Granite is 0.79 kJ/Kg K and that of Essexite  is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Blue Granite is heat resistant, impact resistant, pressure resistant whereas Essexite  is impact resistant, pressure resistant, wear resistant.

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