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Schist
Schist

Serpentinite
Serpentinite



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Schist
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Serpentinite

Schist vs Serpentinite

Definition

Definition

Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation
A hydration and metamorphic transformation of ultramafic rock from the Earth's mantle is called as serpentinization, a group of minerals is formed by serpentinization compose rock 'serpentinite'.

History

Origin

-
USA

Discoverer

Unknown
Unknown

Etymology

From French schiste, Greek skhistos i.e. split
From English word serpentinization.

Class

Metamorphic Rocks
Metamorphic Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
-

Other Categories

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Texture

Texture

Foliated, Platy
Earthy

Color

Black, Blue, Brown, Dark Brown, Green, Grey, Silver
Black, Brown, Green, Grey, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Layered and Shiny
Rough and Dull

Uses

Architecture

Interior Uses

Decorative Aggregates, Floor Tiles, Interior Decoration
Decorative Aggregates, Interior Decoration

Exterior Uses

Garden Decoration, Paving Stone
As Building Stone, Paving Stone, Garden Decoration, Office Buildings

Other Architectural Uses

-
Curbing

Industry

Construction Industry

As Dimension Stone, Building houses or walls, Cement Manufacture, for Road Aggregate, Roadstone
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement

Medical Industry

-
-

Antiquity Uses

Artifacts
Artifacts, Jewellery, Monuments, Sculpture

Other Uses

Commercial Uses

Used in aquariums, Writing Slates
Commemorative Tablets, Creating Artwork

Types

Types

Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist.
Jadeitite

Features

Easily splits into thin plates, Smooth to touch
Host Rock for Lead

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Schist formed by dynamic metamorphism at high temperatures and pressures that aligns the grains of mica, hornblende and other elongated minerals into thin layers.
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Serpentinite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.

Composition

Mineral Content

Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc
Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides

Compound Content

CaO, Carbon Dioxide, MgO
Ca, CaO, Carbon Dioxide, KCl, MgO, Sulfur Dioxide, Sulphur

Transformation

Metamorphism

Types of Metamorphism

-
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
-

Erosion

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Wind Erosion

Properties

Physical Properties

Hardness

3.5-43-5
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Very fine-grained

Fracture

Conchoidal
Uneven

Streak

White
White, Greenish White or Grey

Porosity

Highly Porous
Less Porous

Luster

Shiny
Waxy and Dull

Compressive Strength

150.00 N/mm2310.00 N/mm2
0.15 450
👆🏻

Cleavage

Slaty
-

Toughness

1.5
7

Specific Gravity

2.5-2.92.79-3
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.8-2.9 g/cm32.5-3 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.70 kJ/Kg K0.95 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Impact Resistant, Pressure Resistant, Water Resistant
Heat Resistant

Reserves

Deposits in Eastern Continents

Asia

Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
India, Saudi Arabia, Singapore, South Korea

Africa

Egypt, Ethiopia, Morocco, Nigeria, South Africa
Ethiopia, Western Africa

Europe

Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
England, Georgia, Switzerland, United Kingdom

Others

-
-

Deposits in Western Continents

North America

Canada, Costa Rica, Cuba, Mexico, Panama, USA
Canada

South America

Brazil, Colombia, Guyana
Colombia

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Queensland
Central Australia, New South Wales, New Zealand, Western Australia

Schist vs Serpentinite 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 Schist and Serpentinite Reserves. Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. A hydration and metamorphic transformation of ultramafic rock from the Earth's mantle is called as serpentinization, a group of minerals is formed by serpentinization compose rock 'serpentinite'.. 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 Schist vs Serpentinite information and Schist vs Serpentinite characteristics in the upcoming sections.

Schist vs Serpentinite 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. Schist vs Serpentinite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Schist and Properties of Serpentinite. Learn more about Schist vs Serpentinite in the next section. The interior uses of Schist include Decorative aggregates, Floor tiles and Interior decoration whereas the interior uses of Serpentinite include Decorative aggregates and Interior decoration. Due to some exceptional properties of Schist and Serpentinite, they have various applications in construction industry. The uses of Schist in construction industry include As dimension stone, Building houses or walls, Cement manufacture, For road aggregate, Roadstone and that of Serpentinite include As dimension stone, Cement manufacture, For road aggregate, Making natural cement.

More about Schist and Serpentinite

Here you can know more about Schist and Serpentinite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Schist and Serpentinite consists of mineral content and compound content. The mineral content of Schist includes Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc and mineral content of Serpentinite includes Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides. You can also check out the list of all Metamorphic Rocks. When we have to compare Schist vs Serpentinite, the texture, color and appearance plays an important role in determining the type of rock. Schist is available in black, blue, brown, dark brown, green, grey, silver colors whereas, Serpentinite is available in black, brown, green, grey, white colors. Appearance of Schist is Layered and Shiny and that of Serpentinite is Rough and Dull. Properties of rock is another aspect for Schist vs Serpentinite. The hardness of Schist is 3.5-4 and that of Serpentinite is 3-5. The types of Schist are Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist. whereas types of Serpentinite are Jadeitite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Schist is white while that of Serpentinite is white, greenish white or grey. The specific heat capacity of Schist is 0.70 kJ/Kg K and that of Serpentinite is 0.95 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Schist is impact resistant, pressure resistant, water resistant whereas Serpentinite is heat resistant.