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Lignite
Lignite

Quartzite
Quartzite



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Lignite vs Quartzite

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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
Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone

History

Origin

France
-

Discoverer

Unknown
Unknown

Etymology

From French, Latin lignum wood + -ite1
From quartz + -ite

Class

Sedimentary Rocks
Metamorphic Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Hard Rock

Family

Group

-
-

Other Categories

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

Texture

Texture

Amorphous, Glassy
Foliated, Granular

Color

Black, Brown, Dark Brown, Grey, Light to Dark Grey
Black, Blue, Brown, Green, Light Grey, Purple, White, Yellow

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Veined or Pebbled
Lustrous

Uses

Architecture

Interior Uses

-
Countertops, Decorative Aggregates, Flooring, Homes

Exterior Uses

-
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone

Other Architectural Uses

-
Curbing

Industry

Construction Industry

for Road Aggregate, Steel Production
Arrowheads, As Dimension Stone, Cement Manufacture, Construction Aggregate, Cutting Tool, for Road Aggregate, Making natural cement, Production of Glass and Ceramics, Rail Track Ballast, Roadstone

Medical Industry

-
-

Antiquity Uses

-
Artifacts, Jewellery, Monuments, Sculpture

Other Uses

Commercial Uses

Electricity Generation
An Oil and Gas Reservoir, As armour rock for sea walls, Cemetery Markers, Commemorative Tablets, In aquifers, Laboratory bench tops, Petroleum reservoirs, Soil Conditioner, Source of Magnesia (MgO), Tombstones, Used in aquariums

Types

Types

Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite
Orthoquartzite and Metaquartzite

Features

Generally rough to touch, Helps in production of Heat and Electricity, Used as fossil fuel
Generally rough to touch, Is one of the oldest rock

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

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.
Quartzite forms from sandstone and the mineral quartz being put under extreme heat and pressure.

Composition

Mineral Content

-
Chlorite, Epidote, Hematite, Kyanite, Magnetite, Muscovite or Illite, Quartz

Compound Content

Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur
Aluminium Oxide, CaO, Iron(III) Oxide, MgO, Sodium Oxide, Silicon Dioxide

Transformation

Metamorphism

Types of Metamorphism

-
Burial Metamorphism, Cataclastic Metamorphism, Hydrothermal Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

16-7
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Medium Grained

Fracture

Conchoidal
Uneven, Splintery or Conchoidal

Streak

Black
White

Porosity

Highly Porous
Less Porous

Luster

Dull to Vitreous to Submetallic
Vitreous

Compressive Strength

-115.00 N/mm2
0.15 450
👆🏻

Cleavage

-
Indiscernible

Toughness

-
1.9

Specific Gravity

1.1-1.42.6-2.8
0 8.4
👆🏻

Transparency

Opaque
Transparent to Translucent

Density

800-801 g/cm32.32-2.42 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

1.26 kJ/Kg K0.75 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
China, India, Israel, Russia, South Korea, Thailand, Turkey

Africa

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

Europe

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

Others

-
Greenland

Deposits in Western Continents

North America

Canada, Mexico, USA
Bahamas, Canada, USA

South America

Brazil, Chile, Colombia, Venezuela
Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia

New South Wales, Queensland, Victoria
New Zealand, Queensland, Western Australia

Lignite vs Quartzite 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 Quartzite Reserves. Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat. Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone. 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 Quartzite information and Lignite vs Quartzite characteristics in the upcoming sections.

Lignite vs Quartzite 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 Quartzite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Lignite and Properties of Quartzite. Learn more about Lignite vs Quartzite in the next section. The interior uses of Lignite include whereas the interior uses of Quartzite include Countertops, Decorative aggregates, Flooring and Homes. Due to some exceptional properties of Lignite and Quartzite, they have various applications in construction industry. The uses of Lignite in construction industry include For road aggregate, Steel production and that of Quartzite include Arrowheads, As dimension stone, Cement manufacture, Construction aggregate, Cutting tool, For road aggregate, Making natural cement, Production of glass and ceramics, Rail track ballast, Roadstone.

More about Lignite and Quartzite

Here you can know more about Lignite and Quartzite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Lignite and Quartzite consists of mineral content and compound content. The mineral content of Lignite includes and mineral content of Quartzite includes Chlorite, Epidote, Hematite, Kyanite, Magnetite, Muscovite or Illite, Quartz. You can also check out the list of all Sedimentary Rocks. When we have to compare Lignite vs Quartzite, 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, Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. Appearance of Lignite is Veined or Pebbled and that of Quartzite is Lustrous. Properties of rock is another aspect for Lignite vs Quartzite. The hardness of Lignite is 1 and that of Quartzite is 6-7. The types of Lignite are Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite whereas types of Quartzite are Orthoquartzite and Metaquartzite. 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 Quartzite is white. The specific heat capacity of Lignite is 1.26 kJ/Kg K and that of Quartzite is 0.75 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 Quartzite is heat resistant, impact resistant, pressure resistant, wear resistant.