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Peridotite Rock

Rocks with Medium Hardness

Marble
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Limestone
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Basalt
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Peridotite Definition

Definition
Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle

History of Peridotite

Origin
Pike County, U.S
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Discoverer
Unknown

Etymology
From French, from peridot +‎ -ite

Class
Igneous Rocks
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Sub-Class
Durable Rock, Medium Hardness Rock
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Peridotite Family

Group
Plutonic

Other Categories
Coarse Grained Rock, Opaque Rock

Peridotite Texture

Texture
Phaneritic
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Peridotite Color
Dark Greenish - Grey

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
Rough and Shiny
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Peridotite Uses

Architecture

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

Industry

Construction Industry
As Dimension Stone, Cobblestones

Medical Industry
Not Yet Used

Antiquity Uses
Monuments, Sculpture, Small Figurines
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Other Uses

Commercial Uses
Creating Artwork, Gemstone, Jewelry, Source of Chromite, Platinum, Nickel and Garnet, Source of Diamonds
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Peridotite Types

Types
Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite

Features
Constitutes upper part of the Earth's mantle, Generally rough to touch, Host rock for Diamond, Is one of the oldest rock
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Archaeological Significance of Peridotite

Monuments
Used

Famous Monuments
Data Not Available

Sculpture
Used

Famous Sculptures
Data Not Available

Pictographs
Used

Petroglyphs
Used

Figurines
Used

Fossils
Absent

Formation of Peridotite

Formation
Peridotites can be formed in two ways: as mantle rocks formed during the accretion and differentiation of the Earth or as cumulate rocks formed by precipitation of olivine and pyroxenes from basaltic magmas.

Composition

Mineral Content
Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene
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Compound Content
Ca, Fe, Mg, Potassium, Silicon Dioxide, Sodium, Titanium Dioxide
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Transformation

Metamorphism

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion
Chemical Erosion

Properties of Peridotite

Physical Properties of Peridotite

Hardness
5.5-6

Grain Size
Coarse Grained
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Fracture
Irregular
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Streak
White
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Porosity
Less Porous
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Luster
Shiny
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Compressive Strength
107.55 N/mm2
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Cleavage
Imperfect
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Toughness
2.1

Specific Gravity
3-3.01

Transparency
Translucent to Opaque
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Density
3.1-3.4 g/cm3

Thermal Properties of Peridotite

Specific Heat Capacity
1.26 kJ/Kg K
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Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
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Peridotite Reserves

Peridotite Deposits in Eastern Continents

Asia
China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey

Africa
Morocco, South Africa

Europe
Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela

Others
Not Yet Found

Peridotite Deposits in Western Continents

North America
Canada, USA

South America
Brazil

Peridotite Deposits in Oceania Continent

Australia
New Zealand, Western Australia

Information about Peridotite

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 Peridotite Uses. We have provided you with all information about Peridotite rock here. Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle. Peridotite is available in dark greenish - grey colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Peridotite is white. Get to know more about Peridotite rock and characteristics of Peridotite rock in the next sections.

Characteristics of Peridotite

Many rocks have distinct characteristics. Some of the Properties of Peridotite are hardness, structure, streak, fracture etc. Peridotite is significant as it is composed of minerals and has variety of uses in our day to day life. The characteristics of Peridotite plays an important role in its identification. The hardness of Peridotite is 5.5-6 on Moh’s hardness scale. Rocks according to their hardness are divided into:Hard Rocks, Soft Rocks and Rocks with Medium Hardness. Fracture of Peridotite rock is irregular. Its specific heat capacity is 1.26 kJ/Kg K. Peridotite is heat resistant, pressure resistant, wear resistant. Some of its uses are:

  • Interior Uses: Decorative aggregates and Interior decoration.
  • Construction Industry: As dimension stone, Cobblestones.

Know more about Peridotite rock in the next section.

More About Peridotite

Peridotite is a type of Igneous Rocks. The color of rock is one of its important property. Peridotite rock is available in dark greenish - grey colors. It is Rough and Shiny in appearance. The Peridotite mineral content includes Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene. Its compound content includes Ca, Fe, Mg, Potassium, Silicon Dioxide, Sodium, Titanium Dioxide. Let’s move on to the types of Peridotite. The types of Peridotite include Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite. Fossils are the remains of prehistoric plants or animals which are embedded in rock and preserved in petrified form. Fossils are found only in sedimentary rocks. As Peridotite belongs to Igneous Rocks, fossils are not found in it.