Definition
Definition
Claystone is a fine-grained, dark gray to pink sedimentary rock which mainly consists of compacted and hardened clay
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
History
Origin
-
Western Australia, Minnesota
Discoverer
Unknown
Unknown
Etymology
From English clay and stone as the rock contains more amount of clay
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
-
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock
Texture
Texture
Clastic
Banded, Trellis
Color
Black, Blue, Brown, Green, Grey, Orange, Red, White, Yellow
Red, Reddish Brown
Maintenance
More
Less
Durability
Durable
Durable
Water Resistant
✔
✘
✔
✘
Scratch Resistant
✔
✘
✔
✘
Stain Resistant
✔
✘
✔
✘
Wind Resistant
✔
✘
✔
✘
Acid Resistant
✔
✘
✔
✘
Appearance
Rough and Dull
Banded and Glassy
Uses
Architecture
Interior Uses
Decorative Aggregates, Entryways, Floor Tiles, Homes, Interior Decoration
Decorative Aggregates, Interior Decoration
Exterior Uses
As Facing Stone, Roof Tiles
As Facing Stone, Garden Decoration, Paving Stone
Other Architectural Uses
Curbing
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 a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories
Medical Industry
-
-
Antiquity Uses
Artifacts, Sculpture, Small Figurines
Artifacts, Jewellery, Monuments
Other Uses
Commercial Uses
Pottery
Creating Artwork, Jewelry
Types
Types
Claystone
Algoma-type , Lake Superior-type and Superior-type
Features
Available in Lots of Colors and Patterns, Smooth to touch, Very fine grained rock
Is one of the oldest rock
Archaeological Significance
Monuments
-
-
Famous Monuments
-
-
Sculpture
-
-
Famous Sculptures
-
-
Pictographs
-
-
Petroglyphs
-
-
Figurines
-
-
Fossils
Present
Present
Formation
Formation
Claystone is generally quite soft, but can be hard and brittle. It forms due to weathering of mudstone.
Jaspillite is a type of sedimentary rock which is formed by the compaction and sedimentation of pieces of broken or weathered rocks and minerals.
Composition
Mineral Content
Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz
Coesite, Quartz, Sand
Compound Content
Aluminium Oxide, Ca, NaCl, CaO, Iron(III) Oxide, MgO, Silicon Dioxide
Fe, Iron(III) Oxide, Silicon Dioxide
Transformation
Metamorphism
✔
✘
✔
✘
Types of Metamorphism
-
-
Weathering
✔
✘
✔
✘
Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering
Erosion
✔
✘
✔
✘
Types of Erosion
Coastal Erosion, Water Erosion
Chemical Erosion, Coastal Erosion
Properties
Physical Properties
Hardness
3.5-43
1
7
👆🏻
Grain Size
Fine Grained
Large and Coarse Grained
Fracture
-
Conchoidal
Streak
White
White
Porosity
Very Less Porous
Very Less Porous
Luster
Dull
Earthy
Compressive Strength
40.00 N/mm2230.00 N/mm2
0.15
450
👆🏻
Cleavage
Perfect
-
Toughness
2.6
-
Specific Gravity
05.0-5.3
0
8.4
👆🏻
Transparency
Opaque
Translucent to Opaque
Density
2-2.9 g/cm30-5.7 g/cm3
0
1400
👆🏻
Thermal Properties
Specific Heat Capacity
0.92 kJ/Kg K3.20 kJ/Kg K
0.14
3.2
👆🏻
Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Impact Resistant, Wear Resistant
Reserves
Deposits in Eastern Continents
Asia
Bangladesh, China, India, Russia
Russia
Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
-
Europe
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Ukraine
Others
-
-
Deposits in Western Continents
North America
Canada, Panama, USA
Canada, USA
South America
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Brazil
Deposits in Oceania Continent
Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia
Western Australia