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Claystone
Claystone

Schist
Schist



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Claystone vs Schist

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Definition

Definition

Claystone is a fine-grained, dark gray to pink sedimentary rock which mainly consists of compacted and hardened clay
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation

History

Origin

-
-

Discoverer

Unknown
Unknown

Etymology

From English clay and stone as the rock contains more amount of clay
From French schiste, Greek skhistos i.e. split

Class

Sedimentary Rocks
Metamorphic Rocks

Sub-Class

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

Family

Group

-
-

Other Categories

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

Texture

Texture

Clastic
Foliated, Platy

Color

Black, Blue, Brown, Green, Grey, Orange, Red, White, Yellow
Black, Blue, Brown, Dark Brown, Green, Grey, Silver

Maintenance

More
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Rough and Dull
Layered and Shiny

Uses

Architecture

Interior Uses

Decorative Aggregates, Entryways, Floor Tiles, Homes, Interior Decoration
Decorative Aggregates, Floor Tiles, Interior Decoration

Exterior Uses

As Facing Stone, Roof Tiles
Garden Decoration, Paving Stone

Other Architectural Uses

Curbing
-

Industry

Construction Industry

As a Sintering Agent in Steel Industry to process Iron Ore, Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar
As Dimension Stone, Building houses or walls, Cement Manufacture, for Road Aggregate, Roadstone

Medical Industry

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-

Antiquity Uses

Artifacts, Sculpture, Small Figurines
Artifacts

Other Uses

Commercial Uses

Pottery
Used in aquariums, Writing Slates

Types

Types

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

Features

Available in Lots of Colors and Patterns, Smooth to touch, Very fine grained rock
Easily splits into thin plates, Smooth to touch

Archaeological Significance

Monuments

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Famous Monuments

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-

Sculpture

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Famous Sculptures

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Pictographs

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-

Petroglyphs

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-

Figurines

-
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Fossils

Present
Absent

Formation

Formation

Claystone is generally quite soft, but can be hard and brittle. It forms due to weathering of mudstone.
Schist formed by dynamic metamorphism at high temperatures and pressures that aligns the grains of mica, hornblende and other elongated minerals into thin layers.

Composition

Mineral Content

Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz
Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc

Compound Content

Aluminium Oxide, Ca, NaCl, CaO, Iron(III) Oxide, MgO, Silicon Dioxide
CaO, Carbon Dioxide, MgO

Transformation

Metamorphism

Types of Metamorphism

-
-

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Coastal Erosion, Water Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion

Properties

Physical Properties

Hardness

3.5-43.5-4
1 7
👆🏻

Grain Size

Fine Grained
Medium to Fine Coarse Grained

Fracture

-
Conchoidal

Streak

White
White

Porosity

Very Less Porous
Highly Porous

Luster

Dull
Shiny

Compressive Strength

40.00 N/mm2150.00 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
Slaty

Toughness

2.6
1.5

Specific Gravity

02.5-2.9
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2-2.9 g/cm32.8-2.9 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K0.70 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Impact Resistant
Impact Resistant, Pressure Resistant, Water Resistant

Reserves

Deposits in Eastern Continents

Asia

Bangladesh, China, India, Russia
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam

Africa

Ethiopia, Kenya, Morocco, South Africa, Tanzania
Egypt, Ethiopia, Morocco, Nigeria, South Africa

Europe

Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland

Others

-
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Deposits in Western Continents

North America

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

South America

Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Brazil, Colombia, Guyana

Deposits in Oceania Continent

Australia

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

Claystone vs Schist 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 Claystone and Schist Reserves. Claystone is a fine-grained, dark gray to pink sedimentary rock which mainly consists of compacted and hardened clay. Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. 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 Claystone vs Schist information and Claystone vs Schist characteristics in the upcoming sections.

Claystone vs Schist 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. Claystone vs Schist characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Claystone and Properties of Schist. Learn more about Claystone vs Schist in the next section. The interior uses of Claystone include Decorative aggregates, Entryways, Floor tiles, Homes and Interior decoration whereas the interior uses of Schist include Decorative aggregates, Floor tiles and Interior decoration. Due to some exceptional properties of Claystone and Schist, they have various applications in construction industry. The uses of Claystone in construction industry include As a sintering agent in steel industry to process iron ore, Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar and that of Schist include As dimension stone, Building houses or walls, Cement manufacture, For road aggregate, Roadstone.

More about Claystone and Schist

Here you can know more about Claystone and Schist. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Claystone and Schist consists of mineral content and compound content. The mineral content of Claystone includes Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz and mineral content of Schist includes Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc. You can also check out the list of all Sedimentary Rocks. When we have to compare Claystone vs Schist, the texture, color and appearance plays an important role in determining the type of rock. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas, Schist is available in black, blue, brown, dark brown, green, grey, silver colors. Appearance of Claystone is Rough and Dull and that of Schist is Layered and Shiny. Properties of rock is another aspect for Claystone vs Schist. Hardness of Claystone and Schist is 3.5-4. The types of Claystone are Claystone whereas types of Schist are Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist.. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Claystone and Schist is white. The specific heat capacity of Claystone is 0.92 kJ/Kg K and that of Schist is 0.70 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Claystone is heat resistant, impact resistant whereas Schist is impact resistant, pressure resistant, water resistant.