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Norite Rock

Norite Definition

Definition
Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine

History of Norite

Origin
Norway
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Discoverer
Unknown

Etymology
From the Norwegian name for Norway, Norge

Class
Igneous Rocks
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Sub-Class
Durable Rock, Hard Rock
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Norite Family

Group
Plutonic

Other Categories
Coarse Grained Rock, Opaque Rock

Norite Texture

Texture
Phaneritic
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Norite Color
Dark Grey to Black

Maintenance
Less
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Durability
Durable

Water Resistant
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Scratch Resistant
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Stain Resistant
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Wind Resistant
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Acid Resistant
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Appearance
Veined and Shiny
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Norite Uses

Architecture

Interior Uses
Decorative Aggregates, Entryways, Interior Decoration
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Exterior Uses
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration
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Other Architectural Uses
Curbing

Industry

Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate

Medical Industry
Not Yet Used

Antiquity Uses
Artifacts, Monuments, Sculpture
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Other Uses

Commercial Uses
Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones
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Norite Types

Types
Not Available

Features
Smooth to touch
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Archaeological Significance of Norite

Monuments
Used

Famous Monuments
Data Not Available

Sculpture
Used

Famous Sculptures
Data Not Available

Pictographs
Not Used

Petroglyphs
Not Used

Figurines
Used

Fossils
Absent

Formation of Norite

Formation
Norite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Composition

Mineral Content
Augite, Olivine, Plagioclase, Pyroxene
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Compound Content
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide
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Transformation

Metamorphism

Types of Metamorphism
Cataclastic Metamorphism, Impact Metamorphism

Weathering

Types of Weathering
Biological Weathering

Erosion

Types of Erosion
Chemical Erosion, Coastal Erosion

Properties of Norite

Physical Properties of Norite

Hardness
7

Grain Size
Coarse Grained
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Fracture
Conchoidal
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Streak
Black
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Porosity
Highly Porous
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Luster
Not Available

Compressive Strength
225.00 N/mm2
8
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Cleavage
Not Available

Toughness
1.6

Specific Gravity
2.86-2.87

Transparency
Opaque
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Density
2.7-3.3 g/cm3

Thermal Properties of Norite

Specific Heat Capacity
Not Available

Resistance
Impact Resistant, Pressure Resistant, Wear Resistant
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Norite Reserves

Norite Deposits in Eastern Continents

Asia
India, Russia

Africa
South Africa

Europe
Germany, Greece, Italy, Scotland, Turkey

Others
Greenland

Norite Deposits in Western Continents

North America
Canada, USA

South America
Brazil, Colombia, Venezuela

Norite Deposits in Oceania Continent

Australia
New Zealand, Queensland

Information about Norite

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 Norite Uses. We have provided you with all information about Norite rock here. Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. Norite is available in dark grey to black colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Norite is black. Get to know more about Norite rock and characteristics of Norite rock in the next sections.