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Taconite and Flint


Flint and Taconite


Definition

Definition
Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica   
Flint is a hard type of sedimentary rock that produces a small piece of burning material when hit by steel   

History
  
  

Origin
Western Australia, Minnesota   
Unknown   

Discoverer
Newton Horace Winchell   
Unknown   

Etymology
From the name of Taconic Mountains in New England   
From Old English flint - a type of rock mainly known for high hardness and for giving off sparks when struck   

Class
Sedimentary Rocks   
Sedimentary Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Not Applicable   

Other Categories
Coarse Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture

Texture
Banded, Trellis   
Banded, Rough   

Color
Red, Reddish Brown   
Black, Brown, Green, Grey, Red, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
Yes   
Yes   

Acid Resistant
No   
No   

Appearance
Layered, Banded, Veined and Shiny   
Glassy or Pearly   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration   
Decorative Aggregates, Homes, Interior Decoration   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Used for flooring, stair treads, borders and window sills.   
Arrowheads, Cutting Tool, Spear Points   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts   
Artifacts   

Other Uses
  
  

Commercial Uses
As a touchstone, Cemetery Markers, Creating Artwork   
Creating Artwork, Gemstone, In fire-starting tools, Manufacture of tools, Metallurgical Flux, Jewelry, To ignite fire, Used in flintlock firearms   

Types

Types
Not Available   
Not Available   

Features
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
Used   
Not Yet Used   

Famous Monuments
Data Not Available   
Not Applicable   

Sculpture
Used   
Not Yet Used   

Famous Sculptures
Data Not Available   
Not Applicable   

Pictographs
Not Used   
Not Used   

Petroglyphs
Not Used   
Not Used   

Figurines
Used   
Not Yet Used   

Fossils
Present   
Present   

Formation

Formation
Taconite is a type of sedimentary rock formed when a river carries or transports pieces of broken rock as it flows. When the river reaches a lake or sea, its load of transported rocks settles or deposits at the bottom of sea or lake.   
Flint is formed by the decomposition and compaction of various organisms such as sponges and diatoms under the water.   

Composition
  
  

Mineral Content
Hematite, Magnetite, Quartz   
Silicon   

Compound Content
Fe, Iron(III) Oxide, Silicon Dioxide   
Silicon Dioxide   

Transformation
  
  

Metamorphism
No   
No   

Types of Metamorphism
Not Applicable   
Not Applicable   

Weathering
Yes   
No   

Types of Weathering
Biological Weathering, Mechanical Weathering   
Not Applicable   

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion   
Chemical Erosion, Coastal Erosion, Water Erosion   

Properties

Physical Properties
  
  

Hardness
5.5-6   
7   

Grain Size
Large and Coarse Grained   
Very fine-grained   

Fracture
Uneven, Splintery or Conchoidal   
Conchoidal   

Streak
White   
White   

Porosity
Highly Porous   
Highly Porous   

Luster
Earthy   
Vitreous   

Compressive Strength
Not Available   
450.00 N/mm2   
1

Cleavage
Imperfect   
Non-Existent   

Toughness
1.5   
1.5   

Specific Gravity
5-5.3   
2.5-2.8   

Transparency
Translucent to Opaque   
Translucent to Opaque   

Density
Not Available   
2.7-2.71 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
3.20 kJ/Kg K   
1
0.74 kJ/Kg K   
19

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, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam   
Azerbaijan, China, Russia   

Africa
Kenya, Morocco, South Africa, Tanzania   
Not Yet Found   

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

Others
Greenland, Mid-Atlantic Ridge   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, Mexico, USA   
USA   

South America
Bolivia, Brazil   
Bolivia   

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Taconite and Flint Properties

Know all about Taconite and Flint properties here. All properties of rocks are important as they define the type of rock and its application. Taconite and Flint belong to Sedimentary Rocks.Texture of Taconite is Banded, Trellis whereas that of Flint is Banded, Rough. Taconite appears Layered, Banded, Veined and Shiny and Flint appears Glassy or Pearly. The luster of Taconite is earthy while that of Flint is vitreous. Taconite is available in red, reddish brown colors whereas Flint is available in black, brown, green, grey, red, white colors. The commercial uses of Taconite are as a touchstone, cemetery markers, creating artwork and that of Flint are creating artwork, gemstone, in fire-starting tools, manufacture of tools, metallurgical flux, jewelry, to ignite fire, used in flintlock firearms.

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