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Flint Rock

Types of Hard Rocks

Novaculite
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Granite
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Basalt
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Flint Definition

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

History of Flint

Origin
Unknown
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Discoverer
Unknown

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

Class
Sedimentary Rocks
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Sub-Class
Durable Rock, Hard Rock
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Flint Family

Group
Not Applicable

Other Categories
Fine Grained Rock, Opaque Rock

Flint Texture

Texture
Banded, Rough
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Flint Color
Black, Brown, Green, Grey, Red, White

Maintenance
Less
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Durability
Durable

Water Resistant
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Scratch Resistant
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Stain Resistant
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Wind Resistant
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Acid Resistant
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Appearance
Glassy or Pearly
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Flint Uses

Architecture

Interior Uses
Decorative Aggregates, Homes, Interior Decoration
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Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
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Other Architectural Uses
Curbing

Industry

Construction Industry
Arrowheads, Cutting Tool, Spear Points

Medical Industry
Not Yet Used

Antiquity Uses
Artifacts
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Other Uses

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

Types
Not Available

Features
Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate
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Archaeological Significance of Flint

Monuments
Not Yet Used

Famous Monuments
Not Applicable

Sculpture
Not Yet Used

Famous Sculptures
Not Applicable

Pictographs
Not Used

Petroglyphs
Not Used

Figurines
Not Yet Used

Fossils
Present

Formation of Flint

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

Composition

Mineral Content
Silicon
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Compound Content
Silicon Dioxide
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Transformation

Metamorphism

Types of Metamorphism
Not Applicable

Weathering

Types of Weathering
Not Applicable

Erosion

Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion

Properties of Flint

Physical Properties of Flint

Hardness
7

Grain Size
Very fine-grained
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Fracture
Conchoidal
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Streak
White
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Porosity
Highly Porous
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Luster
Vitreous
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Compressive Strength
450.00 N/mm2
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Cleavage
Non-Existent
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Toughness
1.5

Specific Gravity
2.5-2.8

Transparency
Translucent to Opaque
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Density
2.7-2.71 g/cm3

Thermal Properties of Flint

Specific Heat Capacity
0.74 kJ/Kg K
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Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
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Flint Reserves

Flint Deposits in Eastern Continents

Asia
Azerbaijan, China, Russia

Africa
Not Yet Found

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

Others
Not Yet Found

Flint Deposits in Western Continents

North America
USA

South America
Bolivia

Flint Deposits in Oceania Continent

Australia
New Zealand, South Australia

Information about Flint

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Flint Uses. We have provided you with all information about Flint rock here. Flint is a hard type of sedimentary rock that produces a small piece of burning material when hit by steel. Flint is available in black, brown, green, grey, red, white colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Flint is white. Get to know more about Flint rock and characteristics of Flint rock in the next sections.

Characteristics of Flint

Many rocks have distinct characteristics. Some of the Properties of Flint are hardness, structure, streak, fracture etc. Flint is significant as it is composed of minerals and has variety of uses in our day to day life. The characteristics of Flint plays an important role in its identification. The hardness of Flint is 7 on Moh’s hardness scale. Rocks according to their hardness are divided into:Hard Rocks, Soft Rocks and Rocks with Medium Hardness. Fracture of Flint rock is conchoidal. Its specific heat capacity is 0.74 kJ/Kg K. Flint is heat resistant, impact resistant, pressure resistant, wear resistant. Some of its uses are:

  • Interior Uses: Decorative aggregates, Homes and Interior decoration.
  • Construction Industry: Arrowheads, Cutting tool, Spear points.

Know more about Flint rock in the next section.

More About Flint

Flint is a type of Sedimentary Rocks. The color of rock is one of its important property. Flint rock is available in black, brown, green, grey, red, white colors. It is Glassy or Pearly in appearance. The Flint mineral content includes Silicon. Its compound content includes Silicon Dioxide. Let’s move on to the types of Flint. Flint rock does not have any types. Fossils are the remains of prehistoric plants or animals which are embedded in rock and preserved in petrified form. Fossils are found only in sedimentary rocks. As Flint belongs to Sedimentary Rocks, fossils are found in it.