What is Anorthosite?

Add ⊕
1 Definition
1.1 Definition
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
1.2 History
1.2.1 Origin
1.2.2 Discoverer
1.3 Etymology
From French anorthose plagioclase + -ite1
1.4 Class
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Foliated, Glassy
2.2 Color
Black, Bluish - Grey, Brown, Green, Grey, Light Greenish Grey, Pink, White
2.3 Maintenance
2.4 Durability
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
Layered, Banded, Veined and Shiny
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration
3.1.3 Other Architectural Uses
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate
3.2.2 Medical Industry
Not Yet Used
3.3 Antiquity Uses
Artifacts, Sculpture, Small Figurines
3.4 Other Uses
3.4.1 Commercial Uses
Creating Artwork, Curling
4 Types
4.1 Types
Proterozoic Anorthosite and Archean Anorthosite
4.2 Features
Generally rough to touch, Is one of the oldest rock
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
4.3.2 Famous Monuments
Not Applicable
4.3.3 Sculpture
4.3.4 Famous Sculptures
Not Applicable
4.3.5 Pictographs
Not Used
4.3.6 Petroglyphs
Not Used
4.3.7 Figurines
4.4 Fossils
5 Formation
5.1 Formation
Anorthosite is a phaneritic, intrusive igneous rock which is characterized by a predominance of plagioclase feldspar which is almost 90–100%, and a minimal mafic component.
5.2 Composition
5.2.1 Mineral Content
Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene
5.2.2 Compound Content
Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide
5.3 Transformation
5.3.1 Metamorphism
97% Igneous Rocks Rocks have it !
5.3.2 Types of Metamorphism
Cataclastic Metamorphism, Contact Metamorphism
5.3.3 Weathering
99% Igneous Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering
5.3.5 Erosion
92% Igneous Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Wind Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
6.1.2 Grain Size
Coarse Grained
6.1.3 Fracture
6.1.4 Streak
6.1.5 Porosity
Less Porous
6.1.6 Luster
Pearly to Subvitreous
6.1.7 Compressive Strength
What Is Flint
Not Available
Rank: N/A (Overall)
What Is Obsidian
6.1.8 Cleavage
6.1.9 Toughness
Not Available
6.1.10 Specific Gravity
6.1.11 Transparency
6.1.12 Density
2.7-4 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
What Is Banded ..
0.84 kJ/Kg K
Rank: 15 (Overall)
What Is Granulite
6.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Not Yet Found
7.1.2 Africa
Not Yet Found
7.1.3 Europe
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
7.1.4 Others
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
7.2.2 South America
Bolivia, Colombia
7.3 Deposits in Oceania Continent
7.3.1 Australia
Central Australia, South Australia, Western Australia

Learn more about Properties of Anorthosite

What is Anorthosite? In this section, we will learn more about properties of Anorthosite i.e. physical and thermal properties. Physical properties of Anorthosite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Anorthosite is Not Available. Streak of Anorthosite is white while its cleavage is irregular. Luster of Anorthosite is pearly to subvitreous and its fracture is irregular. Anorthosite is translucent in nature. Know all about Anorthosite, What is Anorthosite, its composition, features, facts and reserves in next sections.

Know about Composition of Anorthosite

What is Anorthosite composed of? Get to know about composition of Anorthosite here. Anorthosite definition gives information about the Formation of Anorthosite and its composition.The composition of Anorthosite can be further divided into mineral and compound content. The mineral content of Anorthosite rock includes Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene and The compound content of Anorthosite rock includes Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide. Almost all rocks undergo transformation process. Know all about Anorthosite rock in next section.

Let Others Know