Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
From French anorthose plagioclase + -ite1
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Opaque Rock
Black, Bluish - Grey, Brown, Green, Grey, Light Greenish Grey, Pink, White
Layered, Banded, Veined and Shiny
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration
As Building Stone, As Facing Stone, Garden Decoration
As Dimension Stone, Cement Manufacture, for Road Aggregate
Artifacts, Sculpture, Small Figurines
Creating Artwork, Curling
Proterozoic Anorthosite and Archean Anorthosite
Generally rough to touch, Is one of the oldest rock
Archaeological Significance
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.
Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene
Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide
Cataclastic Metamorphism, Contact Metamorphism
Chemical Erosion, Wind Erosion
Heat Resistant, Impact Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant
Deposits in Eastern Continents
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
Deposits in Western Continents
Deposits in Oceania Continent
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 180.00 N/mm2. Streak of Anorthosite is white while its cleavage is . 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.