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What is Trachyte?



Definition

Definition
Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar

History

Origin
-

Discoverer
Alexandre Brongniart and René Just Haüy

Etymology
From Greek trakhus rough’ or trakhutēs roughness

Class
Igneous Rocks

Sub-Class
Durable Rock, Medium Hardness Rock

Family

Group
Volcanic

Other Categories
Fine Grained Rock, Opaque Rock

Texture

Texture
Aphanitic to Porphyritic

Color
Black, Brown, Dark Greenish - Grey, Green, Grey, Light to Dark Grey, White

Maintenance
Less

Durability
Durable

Water Resistant
Yes

Scratch Resistant
Yes

Stain Resistant
Yes

Wind Resistant
Yes

Acid Resistant
No

Appearance
Banded

Uses

Architecture

Interior Uses
Decorative Aggregates, Flooring, Homes, Interior Decoration

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

Other Architectural Uses
Curbing

Industry

Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

Medical Industry
-

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses
Cemetery Markers, Creating Artwork

Types

Types
Felsic volcanic rock

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

Archaeological Significance

Monuments
-

Famous Monuments
-

Sculpture
-

Famous Sculptures
-

Pictographs
-

Petroglyphs
-

Figurines
-

Fossils
Absent

Formation

Formation
Trachyte is an igneous volcanic rock with an aphanitic to porphyritic texture. It is the volcanic equivalent of syenite rock and forms as a result of magmatic differentiation.

Composition

Mineral Content
Augite, Biotite, Feldspar, Hornblade, Plagioclase, Quartz

Compound Content
Potassium Oxide, Sodium Oxide, Silicon Dioxide

Transformation

Metamorphism
Yes

Types of Metamorphism
Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering
Yes

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion
Yes

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

Properties

Physical Properties

Hardness
6

Grain Size
Fine Grained

Fracture
-

Streak
White

Porosity
Less Porous

Luster
Metallic

Compressive Strength
150.00 N/mm2 22

Cleavage
-

Toughness
-

Specific Gravity
2.7

Transparency
Opaque

Density
2.43-2.45 g/cm3

Thermal Properties

Specific Heat Capacity
0.84 kJ/Kg K 15

Resistance
Heat Resistant, Impact Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

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

Europe
Bulgaria, England, Germany, Norway, Romania, Switzerland

Others
-

Deposits in Western Continents

North America
USA

South America
Brazil, Chile

Deposits in Oceania Continent

Australia
New Zealand, Queensland, South Australia, Western Australia

Summary >>
<< Reserves

Igneous Rocks

Learn more about Properties of Trachyte

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

Know about Composition of Trachyte

What is Trachyte composed of? Get to know about composition of Trachyte here. Trachyte definition gives information about the Formation of Trachyte and its composition.The composition of Trachyte can be further divided into mineral and compound content. The mineral content of Trachyte rock includes Augite, Biotite, Feldspar, Hornblade, Plagioclase, Quartz and The compound content of Trachyte rock includes Potassium Oxide, Sodium Oxide, Silicon Dioxide. Almost all rocks undergo transformation process. Know all about Trachyte rock in next section.

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