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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

History

Origin
-

Discoverer
Unknown

Etymology
From English clay and stone as the rock contains more amount of clay

Class
Sedimentary Rocks

Sub-Class
Durable Rock, Medium Hardness Rock

Family

Group
-

Other Categories
Fine Grained Rock, Opaque Rock

Texture

Texture
Clastic

Color
Black, Blue, Brown, Green, Grey, Orange, Red, White, Yellow

Maintenance
More

Durability
Durable

Water Resistant
Yes

Scratch Resistant
Yes

Stain Resistant
No

Wind Resistant
No

Acid Resistant
No

Appearance
Rough and Dull

Uses

Architecture

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

Exterior Uses
As Facing Stone, Roof Tiles

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

Medical Industry
-

Antiquity Uses
Artifacts, Sculpture, Small Figurines

Other Uses

Commercial Uses
Pottery

Types

Types
Claystone

Features
Available in Lots of Colors and Patterns, Smooth to touch, Very fine grained rock

Archaeological Significance

Monuments
-

Famous Monuments
-

Sculpture
-

Famous Sculptures
-

Pictographs
-

Petroglyphs
-

Figurines
-

Fossils
Present

Formation

Formation
Claystone is generally quite soft, but can be hard and brittle. It forms due to weathering of mudstone.

Composition

Mineral Content
Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz

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

Transformation

Metamorphism
No

Types of Metamorphism
-

Weathering
Yes

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion
Yes

Types of Erosion
Coastal Erosion, Water Erosion

Properties

Physical Properties

Hardness
3.5-4

Grain Size
Fine Grained

Fracture
-

Streak
White

Porosity
Very Less Porous

Luster
Dull

Compressive Strength
40.00 N/mm2 40

Cleavage
Perfect

Toughness
2.6

Specific Gravity
0

Transparency
Opaque

Density
2-2.9 g/cm3

Thermal Properties

Specific Heat Capacity
0.92 kJ/Kg K 10

Resistance
Heat Resistant, Impact Resistant

Reserves

Deposits in Eastern Continents

Asia
Bangladesh, China, India, Russia

Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania

Europe
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland

Others
-

Deposits in Western Continents

North America
Canada, Panama, USA

South America
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela

Deposits in Oceania Continent

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

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Sedimentary Rocks

Information about Claystone

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 Claystone Uses. We have provided you with all information about Claystone rock here. Claystone is a fine-grained, dark gray to pink sedimentary rock which mainly consists of compacted and hardened clay. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Claystone is white. Get to know more about Claystone rock and characteristics of Claystone rock in the next sections.

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