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Blue Granite and Flint


Flint and Blue Granite


Definition

Definition
Blue Granite is an igneous rock and a variety of Larvikite, notable for the presence of thumbnail-sized blue crystals of feldspar   
Flint is a hard type of sedimentary rock that produces a small piece of burning material when hit by steel   

History
  
  

Discoverer
Unknown   
Unknown   

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

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture

Texture
Phaneritic   
Banded, Rough   

Color
Black, Brown, Light to Dark Grey, White   
Black, Brown, Green, Grey, Red, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
Yes   
Yes   

Acid Resistant
No   
No   

Appearance
Shiny   
Glassy or Pearly   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Floor Tiles, Flooring, Interior Decoration   
Decorative Aggregates, Homes, Interior Decoration   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate   
Arrowheads, Cutting Tool, Spear Points   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines   
Artifacts   

Other Uses
  
  

Commercial Uses
Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling   
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
Available in lots of colors, 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
Absent   
Present   

Formation

Formation
Blue Granite is an igneous rock which is a variety of Larvikite and is known mainly for the presence of thumbnail-sized crystals of feldspar.   
Flint is formed by the decomposition and compaction of various organisms such as sponges and diatoms under the water.   

Composition
  
  

Mineral Content
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon   
Silicon   

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   
Silicon Dioxide   

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism   
Not Applicable   

Weathering
Yes   
No   

Types of Weathering
Biological Weathering, Chemical Weathering   
Not Applicable   

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion   
Chemical Erosion, Coastal Erosion, Water Erosion   

Properties

Physical Properties
  
  

Hardness
6-7   
7   

Grain Size
Medium to Fine Coarse Grained   
Very fine-grained   

Fracture
Not Available   
Conchoidal   

Streak
White   
White   

Porosity
Less Porous   
Highly Porous   

Luster
Subvitreous to Dull   
Vitreous   

Compressive Strength
175.00 N/mm2   
13
450.00 N/mm2   
1

Cleavage
Not Available   
Non-Existent   

Toughness
Not Available   
1.5   

Specific Gravity
2.8-3   
2.5-2.8   

Transparency
Opaque   
Translucent to Opaque   

Density
2.9-2.91 g/cm3   
2.7-2.71 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.79 kJ/Kg K   
16
0.74 kJ/Kg K   
19

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Not Yet Found   
Azerbaijan, China, Russia   

Africa
Not Yet Found   
Not Yet Found   

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

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
USA   
USA   

South America
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru   
Bolivia   

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Blue Granite and Flint Properties

Know all about Blue Granite and Flint properties here. All properties of rocks are important as they define the type of rock and its application. Blue Granite belongs to Igneous Rocks while Flint belongs to Sedimentary Rocks.Texture of Blue Granite is Phaneritic whereas that of Flint is Banded, Rough. Blue Granite appears Shiny and Flint appears Glassy or Pearly. The luster of Blue Granite is subvitreous to dull while that of Flint is vitreous. Blue Granite is available in black, brown, light to dark grey, white colors whereas Flint is available in black, brown, green, grey, red, white colors. The commercial uses of Blue Granite are cemetery markers, commemorative tablets, creating artwork, curling 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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