Home
Compare Rocks


What is Claystone?



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

Summary >>
<< Reserves

Sedimentary Rocks

Learn more about Properties of Claystone

What is Claystone? In this section, we will learn more about properties of Claystone i.e. physical and thermal properties. Physical properties of Claystone include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Claystone is 40.00 N/mm2. Streak of Claystone is white while its cleavage is perfect. Luster of Claystone is dull and its fracture is . Claystone is opaque in nature. Know all about Claystone, What is Claystone, its composition, features, facts and reserves in next sections.

Know about Composition of Claystone

What is Claystone composed of? Get to know about composition of Claystone here. Claystone definition gives information about the Formation of Claystone and its composition.The composition of Claystone can be further divided into mineral and compound content. The mineral content of Claystone rock includes Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz and The compound content of Claystone rock includes Aluminium Oxide, Ca, NaCl, CaO, Iron(III) Oxide, MgO, Silicon Dioxide. Almost all rocks undergo transformation process. Know all about Claystone rock in next section.

Compare Sedimentary Rocks

Sedimentary Rocks

» More Sedimentary Rocks

Compare Sedimentary Rocks

» More Compare Sedimentary Rocks