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Nepheline Syenite
Nepheline Syenite

Trachyandesite
Trachyandesite



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Nepheline Syenite
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Nepheline Syenite vs Trachyandesite

1 Definition
1.1 Definition
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz
Trachyandesite is an extrusive igneous rock.
1.2 History
1.2.1 Origin
Unknown
Indonesia
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Granular
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular
2.2 Color
Brown, Buff, Cream, Green, Grey, Pink, White
Black, Brown, Light to Dark Grey
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
Dull and Soft
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Countertops, Decorative Aggregates, Flooring, Homes, Interior Decoration
Countertops, Decorative Aggregates, Homes, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
As Building Stone, As Facing Stone, Garden Decoration
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, Production of Glass and Ceramics
Building houses or walls, Cobblestones, for Road Aggregate, Rail Track Ballast, Roadstone
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts, Monuments, Sculpture
Artifacts, Sculpture
3.4 Other Uses
3.4.1 Commercial Uses
Cemetery Markers, Creating Artwork
Creating Artwork, Pottery
4 Types
4.1 Types
Borolanite and Litchfieldite
Basaltic Trachyandesite
4.2 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
Has High structural resistance against erosion and climate, Very fine grained rock
4.3 Archaeological Significance
4.3.1 Monuments
Used
Not Yet Used
4.3.2 Famous Monuments
Data Not Available
Not Applicable
4.3.3 Sculpture
Used
Used
4.3.4 Famous Sculptures
Data Not Available
Data Not Available
4.3.5 Pictographs
Used
Used
4.3.6 Petroglyphs
Used
Used
4.3.7 Figurines
Used
Used
4.4 Fossils
Absent
Absent
5 Formation
5.1 Formation
Nepheline Syenites are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones.
Trachyandesite 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.
5.2 Composition
5.2.1 Mineral Content
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite
Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase
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, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
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, Impact Metamorphism
Cataclastic Metamorphism, Contact Metamorphism, Regional 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
Biological Weathering, Chemical Weathering, Mechanical 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
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
5.5-6
4-5
6.1.2 Grain Size
Fine Grained
Fine Grained
6.1.3 Fracture
Conchoidal to Uneven
Conchoidal
6.1.4 Streak
White
Light to dark brown
6.1.5 Porosity
Less Porous
Less Porous
6.1.6 Luster
Greasy to Dull
Earthy
6.1.7 Compressive Strength
Flint
150.00 N/mm2
Rank: 14 (Overall)
37.40 N/mm2
Rank: 28 (Overall)
Obsidian
ADD ⊕
6.1.8 Cleavage
Poor
Perfect
6.1.9 Toughness
Not Available
2.3
6.1.10 Specific Gravity
2.6
2.8-3
6.1.11 Transparency
Translucent to Opaque
Opaque
6.1.12 Density
2.6 g/cm3
2.9-3.1 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
Not Available
Rank: N/A (Overall)
0.84 kJ/Kg K
Rank: 15 (Overall)
Granulite
ADD ⊕
6.2.2 Resistance
Heat Resistant, Impact Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
India, Russia
7.1.2 Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
South Africa
7.1.3 Europe
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden
Iceland
7.1.4 Others
Greenland
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Canada, USA
Canada, USA
7.2.2 South America
Brazil, Chile, Colombia, Uruguay, Venezuela
Brazil
7.3 Deposits in Oceania Continent
7.3.1 Australia
New Zealand, Queensland, South Australia, Tasmania, Western Australia
Not Yet Found

Nepheline Syenite vs Trachyandesite 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 Nepheline Syenite and Trachyandesite Reserves. Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Trachyandesite is an extrusive igneous 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 Nepheline Syenite vs Trachyandesite information and Nepheline Syenite vs Trachyandesite characteristics in the upcoming sections.

Nepheline Syenite vs Trachyandesite 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. Nepheline Syenite vs Trachyandesite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Nepheline Syenite and Properties of Trachyandesite. Learn more about Nepheline Syenite vs Trachyandesite in the next section. The interior uses of Nepheline Syenite include Countertops, Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Trachyandesite include Countertops, Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Nepheline Syenite and Trachyandesite, they have various applications in construction industry. The uses of Nepheline 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, Production of glass and ceramics and that of Trachyandesite include Building houses or walls, Cobblestones, For road aggregate, Rail track ballast, Roadstone.

More about Nepheline Syenite and Trachyandesite

Here you can know more about Nepheline Syenite and Trachyandesite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Nepheline Syenite and Trachyandesite consists of mineral content and compound content. The mineral content of Nepheline Syenite includes Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite and mineral content of Trachyandesite includes Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase. You can also check out the list of all Igneous Rocks. When we have to compare Nepheline Syenite vs Trachyandesite, the texture, color and appearance plays an important role in determining the type of rock. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas, Trachyandesite is available in black, brown, light to dark grey colors. Appearance of Nepheline Syenite is Banded and Foilated and that of Trachyandesite is Dull and Soft. Properties of rock is another aspect for Nepheline Syenite vs Trachyandesite. The hardness of Nepheline Syenite is 5.5-6 and that of Trachyandesite is 4-5. The types of Nepheline Syenite are Borolanite and Litchfieldite whereas types of Trachyandesite are Basaltic Trachyandesite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Nepheline Syenite is white while that of Trachyandesite is light to dark brown. The specific heat capacity of Nepheline Syenite is Not Available and that of Trachyandesite is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Nepheline Syenite is heat resistant, impact resistant, wear resistant whereas Trachyandesite is heat resistant, pressure resistant, wear resistant.