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Syenite
Syenite

Essexite 
Essexite 



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Syenite vs Essexite 

1 Definition
1.1 Definition
Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock
1.2 History
1.2.1 Origin
Unknown
USA
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From French syénite, from Latin Syenites (lapis ) (stone) of Syene
From the locality in Essex County, Massachusetts,US
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Plutonic
Plutonic
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Earthy
Granular
2.2 Color
Brown, Buff, Cream, Green, Grey, Pink, White
Dark Grey to Black
2.3 Maintenance
Less
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
81% Igneous Rocks Rocks have it !
81% Igneous Rocks Rocks have it !
2.4.2 Scratch Resistant
86% Igneous Rocks Rocks have it !
86% Igneous Rocks Rocks have it !
2.4.3 Stain Resistant
66% Igneous Rocks Rocks have it !
66% Igneous Rocks Rocks have it !
2.4.4 Wind Resistant
49% Igneous Rocks Rocks have it !
49% Igneous Rocks Rocks have it !
2.4.5 Acid Resistant
48% Igneous Rocks Rocks have it !
48% Igneous Rocks Rocks have it !
2.5 Appearance
Banded and Foilated
Banded
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Flooring, Homes, Hotels, Interior Decoration
Decorative Aggregates, Homes, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
3.1.3 Other Architectural Uses
Curbing
Curbing
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines
Artifacts, Monuments, Sculpture, Small Figurines
3.4 Other Uses
3.4.1 Commercial Uses
Cemetery Markers, Creating Artwork
Cemetery Markers, Commemorative Tablets, Jewelry, Sea Defence, Tombstones
4 Types
4.1 Types
Shonkinite
Not Available
4.2 Features
Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable
Is one of the oldest rock, Smooth to touch
4.3 Archaeological Significance
4.3.1 Monuments
Used
Used
4.3.2 Famous Monuments
Data Not Available
Data Not Available
4.3.3 Sculpture
Used
Used
4.3.4 Famous Sculptures
Data Not Available
Data Not Available
4.3.5 Pictographs
Used
Not Used
4.3.6 Petroglyphs
Used
Not Used
4.3.7 Figurines
Used
Used
4.4 Fossils
Absent
Absent
5 Formation
5.1 Formation
Syenites are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones.
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.
5.2 Composition
5.2.1 Mineral Content
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz
Augite, Feldspar, Hornblende, Nepheline, Olivine, Plagioclase, Pyroxene
5.2.2 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
5.3 Transformation
5.3.1 Metamorphism
97% Igneous Rocks Rocks have it !
97% Igneous Rocks Rocks have it !
5.3.2 Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism
5.3.3 Weathering
99% Igneous Rocks Rocks have it !
99% Igneous Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering
5.3.5 Erosion
92% Igneous Rocks Rocks have it !
92% Igneous Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Coastal Erosion, Glacier Erosion, Water Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
5.5-6
7
6.1.2 Grain Size
Medium to Fine Coarse Grained
Fine Grained
6.1.3 Fracture
Not Available
Conchoidal
6.1.4 Streak
White
Black
6.1.5 Porosity
Less Porous
Highly Porous
6.1.6 Luster
Subvitreous to Dull
Not Available
6.1.7 Compressive Strength
Flint
150.00 N/mm2
Rank: 14 (Overall)
Not Available
Rank: N/A (Overall)
Obsidian
ADD ⊕
6.1.8 Cleavage
Perfect
Not Available
6.1.9 Toughness
Not Available
1.6
6.1.10 Specific Gravity
2.6-2.7
Not Available
6.1.11 Transparency
Opaque
Opaque
6.1.12 Density
2.6-2.8 g/cm3
Not Available
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
0.92 kJ/Kg K
Rank: 10 (Overall)
Not Available
Rank: N/A (Overall)
Granulite
ADD ⊕
6.2.2 Resistance
Heat Resistant, Impact Resistant, Wear Resistant
Impact Resistant, Pressure Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
India, Russia
7.1.2 Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
South Africa
7.1.3 Europe
Bulgaria, England, Germany, Norway, Romania, Switzerland
Germany, Greece, Italy, Scotland, Turkey
7.1.4 Others
Not Yet Found
Greenland
7.2 Deposits in Western Continents
7.2.1 North America
USA
Canada, USA
7.2.2 South America
Brazil, Chile
Brazil, Colombia, Venezuela
7.3 Deposits in Oceania Continent
7.3.1 Australia
New Zealand, Queensland, South Australia, Western Australia
New Zealand, Queensland

Syenite 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 Syenite and Essexite  Reserves. Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals. 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 Syenite vs Essexite  information and Syenite vs Essexite  characteristics in the upcoming sections.

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

More about Syenite and Essexite 

Here you can know more about Syenite and Essexite . The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Syenite and Essexite  consists of mineral content and compound content. The mineral content of Syenite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz 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 Syenite vs Essexite , the texture, color and appearance plays an important role in determining the type of rock. Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas, Essexite  is available in dark grey to black colors. Appearance of Syenite is Banded and Foilated and that of Essexite  is Banded. Properties of rock is another aspect for Syenite vs Essexite . The hardness of Syenite is 5.5-6 and that of Essexite  is 7. The types of Syenite are Shonkinite 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 Syenite is white while that of Essexite  is black. The specific heat capacity of Syenite is 0.92 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.Syenite is heat resistant, impact resistant, wear resistant whereas Essexite  is impact resistant, pressure resistant, wear resistant.

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