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Lignite
Lignite

Granite
Granite



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Lignite vs Granite

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Definition

Definition

Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat
Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone

History

Origin

France
-

Discoverer

Unknown
Alexander von Humboldt

Etymology

From French, Latin lignum wood + -ite1
From Italian granito, which means grained rock, from grano grain, and from Latin granum

Class

Sedimentary Rocks
Igneous Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Hard Rock

Family

Group

-
Plutonic

Other Categories

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Texture

Texture

Amorphous, Glassy
Granular, Phaneritic

Color

Black, Brown, Dark Brown, Grey, Light to Dark Grey
Black, Grey, Orange, Pink, White

Maintenance

Less
More

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Veined or Pebbled
Veined or Pebbled

Uses

Architecture

Interior Uses

-
Countertops, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads

Exterior Uses

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As Building Stone, As Facing Stone, Bridges, Paving Stone, Garden Decoration, Near Swimming Pools, Office Buildings, Resorts

Other Architectural Uses

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Curbing

Industry

Construction Industry

for Road Aggregate, Steel Production
As Dimension Stone

Medical Industry

-
-

Antiquity Uses

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Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Electricity Generation
Curling, Gemstone, Laboratory bench tops, Tombstones, Used in aquariums

Types

Types

Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite
Igneous Protolith Granite, Sedimentary Protolith Granite, Mantle Granite, Anorogenic Granite, Hybrid Granite, Granodiorite and Alkali Feldspar Granite

Features

Generally rough to touch, Helps in production of Heat and Electricity, Used as fossil fuel
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock

Archaeological Significance

Monuments

-
-

Famous Monuments

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Agia Sophia in Istanbul, Turkey, Blue Domed Church in Santorini, Greece, Blue Mosque in Istanbul, Charminar in Hyderabad, India, Diana, Princess of Wales Memorial Fountain in London, UK, Ephesus in Turkey, Georgia Guidestones in Georgia, US, Hermitage in Saint Petersburg, Khajuraho Temples, India, Mahabalipuram in Tamil Nadu, India, Mysore Palace in Karnataka, India, Signers Monument in Augusta, Georgia, Statue of Liberty in New York, USA, Taj Mahal in Agra, India, Tower Bridge in London, Vietnam Veterans Memorial in Washington, US, Washington Monument, US

Sculpture

-
-

Famous Sculptures

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Avukana Buddha Statue in Sri Lanka, Lincoln Memorial in America, Mount Rushmore National Memorial in South Dakota, US, The Colossal Red Granite Statue of Amenhotep III in Karnak, Egypt

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

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.
Granite is an intrusive igneous rock which is very hard, crystalline and is visibly homogeneous in texture and forms by melting of continental rocks

Composition

Mineral Content

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Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz

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

Types of Metamorphism

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Burial Metamorphism, Cataclastic Metamorphism

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering

Erosion

Types of Erosion

Chemical Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Sea Erosion, Water Erosion

Properties

Physical Properties

Hardness

16-7
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Large and Coarse Grained

Fracture

Conchoidal
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Streak

Black
White

Porosity

Highly Porous
Less Porous

Luster

Dull to Vitreous to Submetallic
Dull to Grainy with Sporadic parts Pearly and Vitreous

Compressive Strength

-175.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
-

Specific Gravity

1.1-1.42.6-2.7
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

800-801 g/cm32.65-2.75 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

1.26 kJ/Kg K0.79 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant
Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

Africa

Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

Europe

Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic

Others

-
-

Deposits in Western Continents

North America

Canada, Mexico, USA
Canada, USA

South America

Brazil, Chile, Colombia, Venezuela
-

Deposits in Oceania Continent

Australia

New South Wales, Queensland, Victoria
-

Lignite vs Granite Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Lignite and Granite Reserves. Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat. Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Lignite vs Granite information and Lignite vs Granite characteristics in the upcoming sections.

Lignite vs Granite Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Lignite vs Granite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Lignite and Properties of Granite. Learn more about Lignite vs Granite in the next section. The interior uses of Lignite include whereas the interior uses of Granite include Countertops, Decorative aggregates, Entryways, Floor tiles, Flooring, Homes, Hotels, Interior decoration, Kitchens and Stair treads. Due to some exceptional properties of Lignite and Granite, they have various applications in construction industry. The uses of Lignite in construction industry include For road aggregate, Steel production and that of Granite include As dimension stone.

More about Lignite and Granite

Here you can know more about Lignite and Granite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Lignite and Granite consists of mineral content and compound content. The mineral content of Lignite includes and mineral content of Granite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Sedimentary Rocks. When we have to compare Lignite vs Granite, the texture, color and appearance plays an important role in determining the type of rock. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas, Granite is available in black, grey, orange, pink, white colors. Appearance of Lignite is Veined or Pebbled and that of Granite is Veined or Pebbled. Properties of rock is another aspect for Lignite vs Granite. The hardness of Lignite is 1 and that of Granite is 6-7. The types of Lignite are Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite whereas types of Granite are Igneous Protolith Granite, Sedimentary Protolith Granite, Mantle Granite, Anorogenic Granite, Hybrid Granite, Granodiorite and Alkali Feldspar Granite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Lignite is black while that of Granite is white. The specific heat capacity of Lignite is 1.26 kJ/Kg K and that of Granite is 0.79 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Lignite is heat resistant whereas Granite is heat resistant, wear resistant.