1 Definition
1.1 Definition
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat
1.2 History
1.2.1 Origin
France
1.2.2 Discoverer
Unknown
1.3 Etymology
From French, Latin lignum wood + -ite1
1.4 Class
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Amorphous, Glassy
2.2 Color
Black, Brown, Dark Brown, Grey, Light to Dark Grey
2.3 Maintenance
Less
2.4 Durability
Durable
2.4.1 Water Resistant
✔
✘
59% - Sedimentary Rocks Rocks have it !
▶
2.4.2 Scratch Resistant
✔
✘
62% - Sedimentary Rocks Rocks have it !
▶
2.4.3 Stain Resistant
✔
✘
43% - Sedimentary Rocks Rocks have it !
▶
2.4.4 Wind Resistant
✔
✘
38% - Sedimentary Rocks Rocks have it !
▶
2.4.5 Acid Resistant
✔
✘
22% - Sedimentary Rocks Rocks have it !
▶
2.5 Appearance
Veined or Pebbled
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Not Yet Used
3.1.2 Exterior Uses
Not Yet Used
3.1.3 Other Architectural Uses
Not Yet Used
3.2 Industry
3.2.1 Construction Industry
for Road Aggregate, Steel Production
3.2.2 Medical Industry
Not Yet Used
3.3 Antiquity Uses
Not Yet Used
3.4 Other Uses
3.4.1 Commercial Uses
Electricity Generation
4 Types
4.1 Types
Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite
4.2 Features
Generally rough to touch, Helps in production of Heat and Electricity, Used as fossil fuel
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
4.3.2 Famous Monuments
Not Applicable
4.3.3 Sculpture
Not Yet Used
4.3.4 Famous Sculptures
Not Applicable
4.3.5 Pictographs
Used
4.3.6 Petroglyphs
Used
4.3.7 Figurines
Not Yet Used
4.4 Fossils
Present
5 Formation
5.1 Formation
Coal formation takes place due to accumulation of plant debris in a swamp environment. The Coal formation process continues, as peat turns into lignite brown or black coal at increasing heat and pressure.
5.2 Composition
5.2.1 Mineral Content
Not Available
5.2.2 Compound Content
Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur
5.3 Transformation
5.3.1 Metamorphism
✔
✘
19% - Sedimentary Rocks Rocks have it !
▶
5.3.2 Types of Metamorphism
Not Applicable
5.3.3 Weathering
✔
✘
78% - Sedimentary Rocks Rocks have it !
▶
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
5.3.5 Erosion
✔
✘
86% - Sedimentary Rocks Rocks have it !
▶
5.3.6 Types of Erosion
Chemical Erosion, Water Erosion, Wind Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
6.1.2 Grain Size
Medium to Fine Coarse Grained
6.1.3 Fracture
Conchoidal
6.1.4 Streak
Black
6.1.5 Porosity
Highly Porous
6.1.6 Luster
Dull to Vitreous to Submetallic
6.1.7 Compressive Strength
Not Available
Rank: N/A (Overall) ▶
0.15
450
6.1.8 Cleavage
Non-Existent
6.1.9 Toughness
Not Available
6.1.10 Specific Gravity
6.1.11 Transparency
Opaque
6.1.12 Density
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
1.26 kJ/Kg K
Rank: 5 (Overall) ▶
0.14
3.2
6.2.2 Resistance
Heat Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
7.1.2 Africa
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
7.1.3 Europe
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
7.1.4 Others
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Canada, Mexico, USA
7.2.2 South America
Brazil, Chile, Colombia, Venezuela
7.3 Deposits in Oceania Continent
7.3.1 Australia
New South Wales, Queensland, Victoria