What is Syenite?

Syenite

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1 Definition

1.1 Definition

Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals

1.2 History

1.2.1 Origin

Unknown

1.2.2 Discoverer

Unknown

1.3 Etymology

From French syénite, from Latin Syenites (lapis ) (stone) of Syene

1.4 Class

Igneous Rocks

1.4.1 Sub-Class

Durable Rock, Medium Hardness Rock

1.5 Family

1.5.1 Group

Plutonic

1.6 Other Categories

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Earthy

2.2 Color

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

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

81% Igneous Rocks Rocks have it !

2.4.2 Scratch Resistant

✔ ✘

86% Igneous Rocks Rocks have it !

2.4.3 Stain Resistant

✔ ✘

66% Igneous Rocks Rocks have it !

2.4.4 Wind Resistant

✔ ✘

49% Igneous Rocks Rocks have it !

2.4.5 Acid Resistant

✔ ✘

48% Igneous Rocks Rocks have it !

2.5 Appearance

Banded and Foilated

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Flooring, Homes, Hotels, Interior Decoration

3.1.2 Exterior Uses

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

3.1.3 Other Architectural Uses

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

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

3.4 Other Uses

3.4.1 Commercial Uses

Cemetery Markers, Creating Artwork

4 Types

4.1 Types

Shonkinite

4.2 Features

Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable

4.3 Archaeological Significance

4.3.1 Monuments

Used

4.3.2 Famous Monuments

Data Not Available

4.3.3 Sculpture

Used

4.3.4 Famous Sculptures

Data Not Available

4.3.5 Pictographs

Used

4.3.6 Petroglyphs

Used

4.3.7 Figurines

Used

4.4 Fossils

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.

5.2 Composition

5.2.1 Mineral Content

Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz

5.2.2 Compound Content

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 !

5.3.2 Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

5.3.3 Weathering

✔ ✘

99% Igneous Rocks Rocks have it !

5.3.4 Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

5.3.5 Erosion

✔ ✘

92% Igneous Rocks Rocks have it !

5.3.6 Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

5.5-6

6.1.2 Grain Size

Medium to Fine Coarse Grained

6.1.3 Fracture

Not Available

6.1.4 Streak

White

6.1.5 Porosity

Less Porous

6.1.6 Luster

Subvitreous to Dull

6.1.7 Compressive Strength

What Is Flint

⊕

▶

▼

150.00 N/mm²

Rank: 14 (Overall)▶

▲

What Is Obsidian

⊕

▶

175 (What Is Grani..)

◀ ▶ ADD ⊕

6.1.8 Cleavage

Perfect

6.1.9 Toughness

Not Available

6.1.10 Specific Gravity

2.6-2.7

6.1.11 Transparency

Opaque

6.1.12 Density

2.6-2.8 g/cm³

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

What Is Banded ..

⊕

▶

▼

0.92 kJ/Kg K

Rank: 10 (Overall)▶

▲

What Is Granulite

⊕

▶

1.09 (What Is Trave..)

◀ ▶ ADD ⊕

6.2.2 Resistance

Heat Resistant, Impact 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

7.1.2 Africa

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

7.1.3 Europe

Bulgaria, England, Germany, Norway, Romania, Switzerland

7.1.4 Others

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

USA

7.2.2 South America

Brazil, Chile

7.3 Deposits in Oceania Continent

7.3.1 Australia

New Zealand, Queensland, South Australia, Western Australia

Igneous Rocks » More

Dacite

Dunite

Monzonite

Anorthosite

Trachyte

Nepheline Syenite

More Igneous Rocks

Learn more about Properties of Syenite

What is Syenite? In this section, we will learn more about properties of Syenite i.e. physical and thermal properties. Physical properties of Syenite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Syenite is 150.00 N/mm². Streak of Syenite is white while its cleavage is perfect. Luster of Syenite is subvitreous to dull and its fracture is not available. Syenite is opaque in nature. Know all about Syenite, What is Syenite, its composition, features, facts and reserves in next sections.

Know about Composition of Syenite

What is Syenite composed of? Get to know about composition of Syenite here. Syenite definition gives information about the Formation of Syenite and its composition.The composition of Syenite can be further divided into mineral and compound content. The mineral content of Syenite rock includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz and The compound content of 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 Syenite rock in next section.