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Trachyte Rock



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

Definition >>
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Igneous Rocks

Information about Trachyte

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Trachyte Uses. We have provided you with all information about Trachyte rock here. Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Trachyte is available in black, brown, dark greenish - grey, green, grey, light to dark grey, white colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Trachyte is white. Get to know more about Trachyte rock and characteristics of Trachyte rock in the next sections.

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