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Dacite vs Blue Granite


Blue Granite vs Dacite


Definition

Definition
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite   
Blue Granite is an igneous rock and a variety of Larvikite, notable for the presence of thumbnail-sized blue crystals of feldspar   

History
  
  

Origin
Romania and Moldova, Europe   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described   
From the color of rock, Blue   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

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

Texture

Texture
Aphanitic to Porphyritic   
Phaneritic   

Color
Bluish - Grey, Brown, Grey, Light to Dark Grey   
Black, Brown, Light to Dark Grey, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
No   
Yes   

Acid Resistant
No   
No   

Appearance
Vesicular   
Shiny   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Construction Aggregate, for Road Aggregate, Landscaping   
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts   
Artifacts, Monuments, Sculpture, Small Figurines   

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Creating Artwork   
Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling   

Types

Types
Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite   
Not Available   

Features
Host Rock for Lead, Is one of the oldest rock   
Available in lots of colors, Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Data Not Available   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Not Yet Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Dacitic magma is formed by the subduction of young oceanic crust under a thick felsic continental plate. Further, the Oceanic crust is hydrothermally altered as quartz and sodium are added.   
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.   

Composition
  
  

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

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

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism   
Burial Metamorphism, Cataclastic Metamorphism   

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering   
Biological Weathering, Chemical Weathering   

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
2-2.25   
6-7   

Grain Size
Medium to Fine Coarse Grained   
Medium to Fine Coarse Grained   

Fracture
Conchoidal   
Not Available   

Streak
White   
White   

Porosity
Less Porous   
Less Porous   

Luster
Subvitreous to Dull   
Subvitreous to Dull   

Compressive Strength
Not Available   
175.00 N/mm2   
13

Cleavage
Perfect   
Not Available   

Toughness
Not Available   
Not Available   

Specific Gravity
2.86-2.87   
2.8-3   

Transparency
Translucent   
Opaque   

Density
2.77-2.771 g/cm3   
2.9-2.91 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.92 kJ/Kg K   
10
0.79 kJ/Kg K   
16

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Not Yet Found   
Not Yet Found   

Africa
Not Yet Found   
Not Yet Found   

Europe
France, Greece, Romania, Scotland, Spain   
Bulgaria, England, Germany, Norway, Romania, Switzerland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
USA   
USA   

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

Deposits in Oceania Continent
  
  

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

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Dacite vs Blue Granite 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 Dacite and Blue Granite Reserves. Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Blue Granite is an igneous rock and a variety of Larvikite, notable for the presence of thumbnail-sized blue crystals of feldspar. 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 Dacite vs Blue Granite information and Dacite vs Blue Granite characteristics in the upcoming sections.

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Dacite vs Blue Granite 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. Dacite vs Blue Granite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Dacite and Properties of Blue Granite. Learn more about Dacite vs Blue Granite in the next section. The interior uses of Dacite include Decorative aggregates, Entryways and Interior decoration whereas the interior uses of Blue Granite include Decorative aggregates, Floor tiles, Flooring and Interior decoration. Due to some exceptional properties of Dacite and Blue Granite, they have various applications in construction industry. The uses of Dacite in construction industry include As dimension stone, Construction aggregate, For road aggregate, Landscaping and that of Blue Granite include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate.

More about Dacite and Blue Granite

Here you can know more about Dacite and Blue Granite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Dacite and Blue Granite consists of mineral content and compound content. The mineral content of Dacite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Magnetite, Plagioclase, Pyroxene, Quartz, Zircon and mineral content of Blue Granite includes Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon. You can also check out the list of all Igneous Rocks. When we have to compare Dacite vs Blue Granite, the texture, color and appearance plays an important role in determining the type of rock. Dacite is available in bluish - grey, brown, grey, light to dark grey colors whereas, Blue Granite is available in black, brown, light to dark grey, white colors. Appearance of Dacite is Vesicular and that of Blue Granite is Shiny. Properties of rock is another aspect for Dacite vs Blue Granite. The hardness of Dacite is 2-2.25 and that of Blue Granite is 6-7. The types of Dacite are Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite whereas types of Blue Granite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Dacite and Blue Granite is white. The specific heat capacity of Dacite is 0.92 kJ/Kg K and that of Blue Granite is 0.79 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Dacite is heat resistant, impact resistant, pressure resistant, wear resistant whereas Blue Granite is heat resistant, impact resistant, pressure resistant.

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