Home
Compare Rocks


Lignite and Benmoreite


Benmoreite and Lignite


Definition

Definition
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat   
An iron rich extrusive rock found as a member of the alkali basalt magma series   

History
  
  

Origin
France   
Isle of Mull, Scotland   

Discoverer
Unknown   
Ben More   

Etymology
From French, Latin lignum wood + -ite1   
From the name of discoverer, Ben More   

Class
Sedimentary Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Not Applicable   
Volcanic   

Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture

Texture
Amorphous, Glassy   
Glassy, Massive, Porphyritic, Scoriaceous, Trachytic, Vesicular   

Color
Black, Brown, Dark Brown, Grey, Light to Dark Grey   
Black, Brown, Light to Dark Grey   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
No   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Veined or Pebbled   
Rough and Dull   

Uses

Architecture
  
  

Interior Uses
Not Yet Used   
Floor Tiles, Homes, Hotels, Kitchens   

Exterior Uses
Not Yet Used   
As Building Stone, Paving Stone, Garden Decoration, Office Buildings   

Other Architectural Uses
Not Yet Used   
Curbing   

Industry
  
  

Construction Industry
for Road Aggregate, Steel Production   
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Not Yet Used   
Artifacts, Monuments, Sculpture   

Other Uses
  
  

Commercial Uses
Electricity Generation   
Commemorative Tablets, Creating Artwork, Curling   

Types

Types
Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite   
Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB) and Tholeiitic Basalt   

Features
Generally rough to touch, Helps in production of Heat and Electricity, Used as fossil fuel   
Has High structural resistance against erosion and climate, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Data Not Available   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Not Yet Used   
Used   

Fossils
Present   
Absent   

Formation

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.   
Benmoreite is a type of Igneous rock which is formed through the cooling and solidification of lava or magma. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.   

Composition
  
  

Mineral Content
Not Available   
Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase   

Compound Content
Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur   
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   

Transformation
  
  

Metamorphism
No   
Yes   

Types of Metamorphism
Not Applicable   
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism   

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering   
Biological Weathering, Chemical Weathering, Mechanical Weathering   

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Water Erosion, Wind Erosion   
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
1   
6   

Grain Size
Medium to Fine Coarse Grained   
Fine Grained   

Fracture
Conchoidal   
Conchoidal   

Streak
Black   
Black   

Porosity
Highly Porous   
Less Porous   

Luster
Dull to Vitreous to Submetallic   
Earthy   

Compressive Strength
Not Available   
37.40 N/mm2   
28

Cleavage
Non-Existent   
Perfect   

Toughness
Not Available   
2.3   

Specific Gravity
1.1-1.4   
2.8-3   

Transparency
Opaque   
Opaque   

Density
800-801 g/cm3   
2.9-3.1 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
1.26 kJ/Kg K   
5
0.84 kJ/Kg K   
15

Resistance
Heat Resistant   
Heat Resistant, Pressure Resistant, Wear Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam   
India, Russia   

Africa
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania   
South Africa   

Europe
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom   
Iceland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, Mexico, USA   
Canada, USA   

South America
Brazil, Chile, Colombia, Venezuela   
Brazil   

Deposits in Oceania Continent
  
  

Australia
New South Wales, Queensland, Victoria   
Not Yet Found   

Summary >>
<< Reserves

All about Lignite and Benmoreite Properties

Know all about Lignite and Benmoreite properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Benmoreite belongs to Igneous Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Benmoreite is Glassy, Massive, Porphyritic, Scoriaceous, Trachytic, Vesicular. Lignite appears Veined or Pebbled and Benmoreite appears Rough and Dull. The luster of Lignite is dull to vitreous to submetallic while that of Benmoreite is earthy. Lignite and Benmoreite are available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Lignite are electricity generation and that of Benmoreite are commemorative tablets, creating artwork, curling.

Compare Sedimentary Rocks

Fossil Rocks

Fossil Rocks

» More Fossil Rocks

Compare Sedimentary Rocks

» More Compare Sedimentary Rocks