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Quartzite
Quartzite

Argillite
Argillite



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Quartzite
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Argillite

Quartzite vs Argillite

Definition

Definition

Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone
Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate

History

Origin

-
-

Discoverer

Unknown
Unknown

Etymology

From quartz + -ite
From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite

Class

Metamorphic Rocks
Sedimentary Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Soft Rock

Family

Group

-
-

Other Categories

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

Texture

Texture

Foliated, Granular
Clastic, Polished

Color

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

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Lustrous
Rough and Dull

Uses

Architecture

Interior Uses

Countertops, Decorative Aggregates, Flooring, Homes
Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
As Building Stone, Garden Decoration, Office Buildings

Other Architectural Uses

Curbing
Curbing, Whetstones

Industry

Construction Industry

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
Used for flooring, stair treads, borders and window sills.

Medical Industry

-
-

Antiquity Uses

Artifacts, Jewellery, Monuments, Sculpture
Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

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
Fire resistant, Used to manufracture paperweights and bookends

Types

Types

Orthoquartzite and Metaquartzite
Metamorphic rock

Features

Generally rough to touch, Is one of the oldest rock
Is one of the oldest rock

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Present

Formation

Formation

Quartzite forms from sandstone and the mineral quartz being put under extreme heat and pressure.
An argillite is a fine-grained sedimentary rock mainly composed of clay particles which forms from lithified muds which contain variable amounts of silt-sized particles.

Composition

Mineral Content

Chlorite, Epidote, Hematite, Kyanite, Magnetite, Muscovite or Illite, Quartz
Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, MgO, Sodium Oxide, Silicon Dioxide
Iron(III) Oxide, Potassium Oxide, MgO, 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

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

6-72-3
1 7
👆🏻

Grain Size

Medium Grained
Fine Grained

Fracture

Uneven, Splintery or Conchoidal
Conchoidal to Uneven

Streak

White
White to Grey

Porosity

Less Porous
Highly Porous

Luster

Vitreous
Waxy and Dull

Compressive Strength

115.00 N/mm2-
0.15 450
👆🏻

Cleavage

Indiscernible
Slaty

Toughness

1.9
2.6

Specific Gravity

2.6-2.82.56-2.68
0 8.4
👆🏻

Transparency

Transparent to Translucent
Opaque

Density

2.32-2.42 g/cm32.54-2.66 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.75 kJ/Kg K0.87 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

China, India, Israel, Russia, South Korea, Thailand, Turkey
Bangladesh, China, India, Russia

Africa

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

Europe

England, Italy, Norway, Scotland, Sweden, United Kingdom
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland

Others

Greenland
-

Deposits in Western Continents

North America

Bahamas, Canada, USA
USA

South America

Brazil, Colombia, Venezuela
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela

Deposits in Oceania Continent

Australia

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

Quartzite vs Argillite 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 Quartzite and Argillite Reserves. Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone. Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate. 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 Quartzite vs Argillite information and Quartzite vs Argillite characteristics in the upcoming sections.

Quartzite vs Argillite 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. Quartzite vs Argillite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Quartzite and Properties of Argillite. Learn more about Quartzite vs Argillite in the next section. The interior uses of Quartzite include Countertops, Decorative aggregates, Flooring and Homes whereas the interior uses of Argillite include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Quartzite and Argillite, they have various applications in construction industry. The uses of Quartzite in construction industry 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 and that of Argillite include Used for flooring, stair treads, borders and window sills..

More about Quartzite and Argillite

Here you can know more about Quartzite and Argillite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Quartzite and Argillite consists of mineral content and compound content. The mineral content of Quartzite includes Chlorite, Epidote, Hematite, Kyanite, Magnetite, Muscovite or Illite, Quartz and mineral content of Argillite includes Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Quartzite vs Argillite, the texture, color and appearance plays an important role in determining the type of rock. Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors whereas, Argillite is available in dark grey to black, pink, red, white colors. Appearance of Quartzite is Lustrous and that of Argillite is Rough and Dull. Properties of rock is another aspect for Quartzite vs Argillite. The hardness of Quartzite is 6-7 and that of Argillite is 2-3. The types of Quartzite are Orthoquartzite and Metaquartzite whereas types of Argillite are Metamorphic rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Quartzite is white while that of Argillite is white to grey. The specific heat capacity of Quartzite is 0.75 kJ/Kg K and that of Argillite is 0.87 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Quartzite is heat resistant, impact resistant, pressure resistant, wear resistant whereas Argillite is heat resistant, impact resistant.