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What is Nepheline Syenite?



Definition
0

Definition
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz 0

History
0

Origin
Unknown 0

Discoverer
Unknown 0

Etymology
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China 0

Class
Igneous Rocks 0

Sub-Class
Durable Rock, Medium Hardness Rock 0

Family
0

Group
Plutonic 0

Other Categories
Fine Grained Rock, Opaque Rock 0

Texture
0

Texture
Granular 0

Color
Brown, Buff, Cream, Green, Grey, Pink, White 0

Maintenance
Less 0

Durability
Durable 0

Water Resistant
Yes 0

Scratch Resistant
No 0

Stain Resistant
Yes 0

Wind Resistant
Yes 0

Acid Resistant
Yes 0

Appearance
Banded and Foilated 0

Uses
0

Architecture
0

Interior Uses
Countertops, Decorative Aggregates, Flooring, Homes, Interior Decoration 0

Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone 0

Other Architectural Uses
Curbing 0

Industry
0

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 0

Medical Industry
Not Yet Used 0

Antiquity Uses
Artifacts, Monuments, Sculpture 0

Other Uses
0

Commercial Uses
Cemetery Markers, Creating Artwork 0

Types
0

Types
Borolanite and Litchfieldite 0

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 0

Archaeological Significance
0

Monuments
Used 0

Famous Monuments
Data Not Available 0

Sculpture
Used 0

Famous Sculptures
Data Not Available 0

Pictographs
Used 0

Petroglyphs
Used 0

Figurines
Used 0

Fossils
Absent 0

Formation
0

Formation
Nepheline Syenites are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones. 0

Composition
0

Mineral Content
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite 0

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide 0

Transformation
0

Metamorphism
Yes 0

Types of Metamorphism
Burial Metamorphism, Impact Metamorphism 0

Weathering
Yes 0

Types of Weathering
Biological Weathering, Chemical Weathering 0

Erosion
Yes 0

Types of Erosion
Chemical Erosion 0

Properties
0

Physical Properties
0

Hardness
5.5-6 0

Grain Size
Fine Grained 0

Fracture
Conchoidal to Uneven 0

Streak
White 0

Porosity
Less Porous 0

Luster
Greasy to Dull 0

Compressive Strength
150.00 N/mm2 14

Cleavage
Poor 0

Toughness
Not Available 0

Specific Gravity
2.6 0

Transparency
Translucent to Opaque 0

Density
2.6 g/cm3 0

Thermal Properties
0

Specific Heat Capacity
Not Available 0

Resistance
Heat Resistant, Impact Resistant, Wear Resistant 0

Reserves
0

Deposits in Eastern Continents
0

Asia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam 0

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa 0

Europe
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden 0

Others
Greenland 0

Deposits in Western Continents
0

North America
Canada, USA 0

South America
Brazil, Chile, Colombia, Uruguay, Venezuela 0

Deposits in Oceania Continent
0

Australia
New Zealand, Queensland, South Australia, Tasmania, Western Australia 0

Summary >>
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Igneous Rocks

Learn more about Properties of Nepheline Syenite

What is Nepheline Syenite? In this section, we will learn more about properties of Nepheline Syenite i.e. physical and thermal properties. Physical properties of Nepheline Syenite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Nepheline Syenite is 150.00 N/mm2. Streak of Nepheline Syenite is white while its cleavage is poor. Luster of Nepheline Syenite is greasy to dull and its fracture is conchoidal to uneven. Nepheline Syenite is translucent to opaque in nature. Know all about Nepheline Syenite, What is Nepheline Syenite, its composition, features, facts and reserves in next sections.

Know about Composition of Nepheline Syenite

What is Nepheline Syenite composed of? Get to know about composition of Nepheline Syenite here. Nepheline Syenite definition gives information about the Formation of Nepheline Syenite and its composition.The composition of Nepheline Syenite can be further divided into mineral and compound content. The mineral content of Nepheline Syenite rock includes Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite and The compound content of Nepheline Syenite rock includes Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide. Almost all rocks undergo transformation process. Know all about Nepheline Syenite rock in next section.

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