Quartzite

Flint

Quartzite vs Flint

Quartzite

Flint

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Definition

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

Flint is a hard type of sedimentary rock that produces a small piece of burning material when hit by steel

History

Origin

Discoverer

Unknown

Etymology

From quartz + -ite

From Old English flint - a type of rock mainly known for high hardness and for giving off sparks when struck

Class

Metamorphic Rocks

Sedimentary Rocks

Sub-Class

Durable Rock, Hard Rock

Family

Group

Other Categories

Medium Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

Texture

Foliated, Granular

Banded, Rough

Color

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

Black, Brown, Green, Grey, Red, White

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Lustrous

Glassy or Pearly

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

Other Architectural Uses

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

Arrowheads, Cutting Tool, Spear Points

Medical Industry

Antiquity Uses

Artifacts, Jewellery, Monuments, Sculpture

Artifacts

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

Creating Artwork, Gemstone, In fire-starting tools, Manufacture of tools, Metallurgical Flux, Jewelry, To ignite fire, Used in flintlock firearms

Types

Orthoquartzite and Metaquartzite

Chert and Jasper

Features

Generally rough to touch, Is one of the oldest rock

Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Present

Formation

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

Flint is formed by the decomposition and compaction of various organisms such as sponges and diatoms under the water.

Composition

Mineral Content

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

Silicon

Compound Content

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

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

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

Chemical Erosion, Coastal Erosion, Water Erosion

Properties

Physical Properties

Hardness

6-77

1 7

👆🏻

Grain Size

Medium Grained

Very fine-grained

Fracture

Uneven, Splintery or Conchoidal

Conchoidal

Streak

White

Porosity

Less Porous

Highly Porous

Luster

Vitreous

Compressive Strength

115.00 N/mm²450.00 N/mm²

0.15 450

👆🏻

Cleavage

Indiscernible

Toughness

1.9

1.5

Specific Gravity

2.6-2.82.5-2.8

0 8.4

👆🏻

Transparency

Transparent to Translucent

Translucent to Opaque

Density

2.32-2.42 g/cm³2.7-2.71 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.75 kJ/Kg K0.74 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

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

Azerbaijan, China, Russia

Africa

Ethiopia, Morocco, South Africa, Zimbabwe

Europe

England, Italy, Norway, Scotland, Sweden, United Kingdom

Austria, Belgium, Cyprus, Denmark, France, Germany, Italy, Malta, Netherlands, Poland, Portugal, Romania, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom

Others

Greenland

Deposits in Western Continents

North America

Bahamas, Canada, USA

USA

South America

Brazil, Colombia, Venezuela

Bolivia

Deposits in Oceania Continent

Australia

New Zealand, Queensland, Western Australia

New Zealand, South Australia

Quartzite vs Flint 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 Flint Reserves. Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone. Flint is a hard type of sedimentary rock that produces a small piece of burning material when hit by steel. 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 Flint information and Quartzite vs Flint characteristics in the upcoming sections.

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Quartzite vs Flint 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 Flint characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Quartzite and Properties of Flint. Learn more about Quartzite vs Flint in the next section. The interior uses of Quartzite include Countertops, Decorative aggregates, Flooring and Homes whereas the interior uses of Flint include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Quartzite and Flint, 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 Flint include Arrowheads, Cutting tool, Spear points.

More about Quartzite and Flint

Here you can know more about Quartzite and Flint. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Quartzite and Flint 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 Flint includes Silicon. You can also check out the list of all Metamorphic Rocks. When we have to compare Quartzite vs Flint, 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, Flint is available in black, brown, green, grey, red, white colors. Appearance of Quartzite is Lustrous and that of Flint is Glassy or Pearly. Properties of rock is another aspect for Quartzite vs Flint. The hardness of Quartzite is 6-7 and that of Flint is 7. The types of Quartzite are Orthoquartzite and Metaquartzite whereas types of Flint are Chert and Jasper. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Quartzite and Flint is white. The specific heat capacity of Quartzite is 0.75 kJ/Kg K and that of Flint is 0.74 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 Flint is heat resistant, impact resistant, pressure resistant, wear resistant.