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Quartzite
Quartzite

Scoria
Scoria



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Quartzite
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Scoria

Quartzite vs Scoria

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Definition

Definition

Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities

History

Origin

-
-

Discoverer

Unknown
Unknown

Etymology

From quartz + -ite
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung

Class

Metamorphic Rocks
Igneous Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
Volcanic

Other Categories

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

Texture

Texture

Foliated, Granular
Vesicular

Color

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

Maintenance

Less
More

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Lustrous
Glassy and Vesicular

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

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
Cement Manufacture, Construction Aggregate, for Road Aggregate, In landscaping and drainage works

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
As a traction material on snow-covered roads, Creating Artwork, High-temperature insulation, In gas barbecue grills

Types

Types

Orthoquartzite and Metaquartzite
Basaltic Scoria and Andesitic Scoria

Features

Generally rough to touch, Is one of the oldest rock
Available in Lots of Colors and Patterns, Generally rough to touch, Surfaces are often shiny

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Quartzite forms from sandstone and the mineral quartz being put under extreme heat and pressure.
Scoria forms when magma containing huge amount of dissolved gas flows from a volcano during an eruption.

Composition

Mineral Content

Chlorite, Epidote, Hematite, Kyanite, Magnetite, Muscovite or Illite, Quartz
Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica

Compound Content

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

Transformation

Metamorphism

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Hydrothermal Metamorphism, Regional Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

Weathering

Types of Weathering

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

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

6-75-6
1 7
👆🏻

Grain Size

Medium Grained
Fine Grained

Fracture

Uneven, Splintery or Conchoidal
Conchoidal

Streak

White
White

Porosity

Less Porous
Highly Porous

Luster

Vitreous
Subvitreous to Dull

Compressive Strength

115.00 N/mm270.00 N/mm2
0.15 450
👆🏻

Cleavage

Indiscernible
Perfect

Toughness

1.9
2.1

Specific Gravity

2.6-2.8-9999
0 8.4
👆🏻

Transparency

Transparent to Translucent
Opaque

Density

2.32-2.42 g/cm3-9999 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.75 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

China, India, Israel, Russia, South Korea, Thailand, Turkey
Afghanistan, Indonesia, Japan, Russia

Africa

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

Europe

England, Italy, Norway, Scotland, Sweden, United Kingdom
Greece, Hungary, Iceland, Italy, Turkey

Others

Greenland
-

Deposits in Western Continents

North America

Bahamas, Canada, USA
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA

South America

Brazil, Colombia, Venezuela
Argentina, Chile, Ecuador, Peru

Deposits in Oceania Continent

Australia

New Zealand, Queensland, Western Australia
New Zealand, Western Australia

Quartzite vs Scoria 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 Scoria Reserves. Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone. Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. 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 Scoria information and Quartzite vs Scoria characteristics in the upcoming sections.

Quartzite vs Scoria 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 Scoria characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Quartzite and Properties of Scoria. Learn more about Quartzite vs Scoria in the next section. The interior uses of Quartzite include Countertops, Decorative aggregates, Flooring and Homes whereas the interior uses of Scoria include Decorative aggregates and Interior decoration. Due to some exceptional properties of Quartzite and Scoria, 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 Scoria include Cement manufacture, Construction aggregate, For road aggregate, In landscaping and drainage works.

More about Quartzite and Scoria

Here you can know more about Quartzite and Scoria. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Quartzite and Scoria 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 Scoria includes Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica. You can also check out the list of all Metamorphic Rocks. When we have to compare Quartzite vs Scoria, 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, Scoria is available in black, brown, dark grey to black, red colors. Appearance of Quartzite is Lustrous and that of Scoria is Glassy and Vesicular. Properties of rock is another aspect for Quartzite vs Scoria. The hardness of Quartzite is 6-7 and that of Scoria is 5-6. The types of Quartzite are Orthoquartzite and Metaquartzite whereas types of Scoria are Basaltic Scoria and Andesitic Scoria. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Quartzite and Scoria is white. The specific heat capacity of Quartzite is 0.75 kJ/Kg K and that of Scoria is 0.84 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 Scoria is heat resistant, impact resistant, pressure resistant, wear resistant.