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Picrite
Picrite

Peridotite
Peridotite



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Picrite vs Peridotite

1 Definition
1.1 Definition
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine
Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle
1.2 History
1.2.1 Origin
Hawaii Islands
Pike County, U.S
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Greek pikros bitter + -ite, 19th century
From French, from peridot +‎ -ite
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Volcanic
Plutonic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Earthy, Rough
Phaneritic
2.2 Color
Black, Brown, Colourless, Green, Grey, Pink, White, Yellow
Dark Greenish - Grey
2.3 Maintenance
Less
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
81% Igneous Rocks Rocks have it !
81% Igneous Rocks Rocks have it !
2.4.2 Scratch Resistant
86% Igneous Rocks Rocks have it !
86% Igneous Rocks Rocks have it !
2.4.3 Stain Resistant
66% Igneous Rocks Rocks have it !
66% Igneous Rocks Rocks have it !
2.4.4 Wind Resistant
49% Igneous Rocks Rocks have it !
49% Igneous Rocks Rocks have it !
2.4.5 Acid Resistant
48% Igneous Rocks Rocks have it !
48% Igneous Rocks Rocks have it !
2.5 Appearance
Rough and Shiny
Rough and Shiny
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Countertops, Decorative Aggregates, Homes, Interior Decoration
Decorative Aggregates, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
As Building Stone, As Facing Stone, Garden Decoration
3.1.3 Other Architectural Uses
Curbing
Curbing
3.2 Industry
3.2.1 Construction Industry
As a Sintering Agent in Steel Industry to process Iron Ore, Cement Manufacture, for Road Aggregate, Manufacture of Magnesium and Dolomite Refractories, Roadstone, Used for flooring, stair treads, borders and window sills.
As Dimension Stone, Cobblestones
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts, Monuments, Sculpture
Monuments, Sculpture, Small Figurines
3.4 Other Uses
3.4.1 Commercial Uses
As a Feed Additive for Livestock, As armour rock for sea walls, Metallurgical Flux, Pottery, Source of Magnesia (MgO)
Creating Artwork, Gemstone, Jewelry, Source of Chromite, Platinum, Nickel and Garnet, Source of Diamonds
4 Types
4.1 Types
Oceanite
Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite
4.2 Features
Host Rock for Lead
Constitutes upper part of the Earth's mantle, Generally rough to touch, Host rock for Diamond, Is one of the oldest rock
4.3 Archaeological Significance
4.3.1 Monuments
Used
Used
4.3.2 Famous Monuments
Data Not Available
Data Not Available
4.3.3 Sculpture
Used
Used
4.3.4 Famous Sculptures
Data Not Available
Data Not Available
4.3.5 Pictographs
Not Used
Used
4.3.6 Petroglyphs
Not Used
Used
4.3.7 Figurines
Used
Used
4.4 Fossils
Absent
Absent
5 Formation
5.1 Formation
Picrite 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.
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.
5.2 Composition
5.2.1 Mineral Content
Biotite, Olivine, Plagioclase, Pyrrhotite
Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene
5.2.2 Compound Content
Al, CaO, Carbon Dioxide, Mg, MgO
Ca, Fe, Mg, Potassium, Silicon Dioxide, Sodium, Titanium Dioxide
5.3 Transformation
5.3.1 Metamorphism
97% Igneous Rocks Rocks have it !
97% Igneous Rocks Rocks have it !
5.3.2 Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Impact Metamorphism, Regional Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
5.3.3 Weathering
99% Igneous Rocks Rocks have it !
99% Igneous Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
5.3.5 Erosion
92% Igneous Rocks Rocks have it !
92% Igneous Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Chemical Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
6.8
5.5-6
6.1.2 Grain Size
Fine Grained
Coarse Grained
6.1.3 Fracture
Uneven
Irregular
6.1.4 Streak
White, Greenish White or Grey
White
6.1.5 Porosity
Less Porous
Less Porous
6.1.6 Luster
Subvitreous to Dull
Shiny
6.1.7 Compressive Strength
Flint
189.00 N/mm2
Rank: 11 (Overall)
107.55 N/mm2
Rank: 19 (Overall)
Obsidian
ADD ⊕
6.1.8 Cleavage
Imperfect
Imperfect
6.1.9 Toughness
2.1
2.1
6.1.10 Specific Gravity
2.75-2.92
3-3.01
6.1.11 Transparency
Opaque
Translucent to Opaque
6.1.12 Density
1.5-2.5 g/cm3
3.1-3.4 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
0.88 kJ/Kg K
Rank: 13 (Overall)
1.26 kJ/Kg K
Rank: 5 (Overall)
Granulite
ADD ⊕
6.2.2 Resistance
Heat Resistant
Heat Resistant, Pressure Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
India, Russia
China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey
7.1.2 Africa
South Africa
Morocco, South Africa
7.1.3 Europe
Iceland
Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela
7.1.4 Others
Not Yet Found
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Canada, USA
Canada, USA
7.2.2 South America
Brazil
Brazil
7.3 Deposits in Oceania Continent
7.3.1 Australia
Not Yet Found
New Zealand, Western Australia

Picrite vs Peridotite Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Picrite and Peridotite Reserves. Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Picrite vs Peridotite information and Picrite vs Peridotite characteristics in the upcoming sections.

Picrite vs Peridotite Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Picrite vs Peridotite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Picrite and Properties of Peridotite. Learn more about Picrite vs Peridotite in the next section. The interior uses of Picrite include Countertops, Decorative aggregates, Homes and Interior decoration whereas the interior uses of Peridotite include Decorative aggregates and Interior decoration. Due to some exceptional properties of Picrite and Peridotite, they have various applications in construction industry. The uses of Picrite in construction industry include As a sintering agent in steel industry to process iron ore, Cement manufacture, For road aggregate, Manufacture of magnesium and dolomite refractories, Roadstone, Used for flooring, stair treads, borders and window sills. and that of Peridotite include As dimension stone, Cobblestones.

More about Picrite and Peridotite

Here you can know more about Picrite and Peridotite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Picrite and Peridotite consists of mineral content and compound content. The mineral content of Picrite includes Biotite, Olivine, Plagioclase, Pyrrhotite and mineral content of Peridotite includes Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Picrite vs Peridotite, the texture, color and appearance plays an important role in determining the type of rock. Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors whereas, Peridotite is available in dark greenish - grey colors. Appearance of Picrite is Rough and Shiny and that of Peridotite is Rough and Shiny. Properties of rock is another aspect for Picrite vs Peridotite. The hardness of Picrite is 6.8 and that of Peridotite is 5.5-6. The types of Picrite are Oceanite whereas types of Peridotite are Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Picrite and Peridotite is white, greenish white or grey. The specific heat capacity of Picrite is 0.88 kJ/Kg K and that of Peridotite is 1.26 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Picrite is heat resistant whereas Peridotite is heat resistant, pressure resistant, wear resistant.

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