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Borolanite vs Amphibolite


Amphibolite vs Borolanite


Definition

Definition
Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix  
Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase  

History
  
  

Origin
Scotland  
-  

Discoverer
Unknown  
Alexandre Brongniart  

Etymology
From Alkalic Igneous complex near Loch Borralan in northwest Scotland  
From Amphibole + -ite  

Class
Igneous Rocks  
Metamorphic Rocks  

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

Family
  
  

Group
Plutonic  
-  

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

Texture

Texture
Granular  
Banded, Foliated, Massive  

Color
Brown, Buff, Cream, Green, Grey, Pink, White  
Black, Brown, Green, Grey  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
No  
Yes  

Stain Resistant
No  
Yes  

Wind Resistant
Yes  
No  

Acid Resistant
Yes  
Yes  

Appearance
Banded and Foilated  
Foliated  

Uses

Architecture
  
  

Interior Uses
Countertops, Decorative Aggregates, Flooring, Homes, Interior Decoration  
Countertops, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Kitchens  

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories, Production of Glass and Ceramics  
As Dimension Stone, Building houses or walls, Cobblestones, Construction Aggregate, for Road Aggregate, Landscaping, Production of Glass and Ceramics, Roadstone  

Medical Industry
-  
-  

Antiquity Uses
Artifacts  
Artifacts, Sculpture, Small Figurines  

Other Uses
  
  

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

Types

Types
-  
Hornblendite  

Features
Application of acids on the surface causes cloudy frosting, Available in Lots of Colors and Patterns, Dissolves in hydrochloric acid, Is one of the oldest rock  
Clasts are smooth to touch, Matrix variable, Surfaces are often shiny  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Borolanites are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones.  
Amphibolite is a coarse-grained metamorphic rock which forms by metamorphism of mafic igneous rocks like basalt and gabbro or from the metamorphism of clay-rich sedimentary rocks like marl or graywacke.  

Composition
  
  

Mineral Content
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite  
Amphibole, Andalusite, Biotite, Calcite, Epidote, Garnet, Hornblade, Kyanite, Magnetite, Olivine, Plagioclase, Pyroxene, Staurolite, Wollastonite  

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

Transformation
  
  

Metamorphism
Yes  
No  

Types of Metamorphism
Regional Metamorphism  
-  

Weathering
Yes  
Yes  

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

Erosion
Yes  
Yes  

Types of Erosion
Wind Erosion  
Chemical Erosion, Glacier Erosion, Sea Erosion, Wind Erosion  

Properties

Physical Properties
  
  

Hardness
5.5-6  
6-7  

Grain Size
Fine Grained  
Medium to Coarse Grained  

Fracture
Conchoidal to Uneven  
Irregular to Conchoidal  

Streak
White  
White to Grey  

Porosity
Less Porous  
Less Porous  

Luster
Greasy to Dull  
Vitreous to Dull  

Compressive Strength
150.00 N/mm2  
22
90.00 N/mm2  
32

Cleavage
-  
-  

Toughness
-  
2.3  

Specific Gravity
2.6  
2.5  

Transparency
Translucent to Opaque  
Opaque  

Density
2.6 g/cm3  
2.85-3.07 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.84 kJ/Kg K  
15
0.84 kJ/Kg K  
15

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam  
Russia, Turkey  

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa  
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda  

Europe
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden  
Germany, Greece, Iceland, Norway, Poland  

Others
Greenland  
-  

Deposits in Western Continents
  
  

North America
Canada, USA  
Canada, USA  

South America
Brazil, Chile, Colombia, Uruguay, Venezuela  
Brazil  

Deposits in Oceania Continent
  
  

Australia
New Zealand, Queensland, South Australia, Tasmania, Western Australia  
South Australia, Western Australia  

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Borolanite vs Amphibolite 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 Borolanite and Amphibolite Reserves. Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. 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 Borolanite vs Amphibolite information and Borolanite vs Amphibolite characteristics in the upcoming sections.

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Borolanite vs Amphibolite 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. Borolanite vs Amphibolite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Borolanite and Properties of Amphibolite. Learn more about Borolanite vs Amphibolite in the next section. The interior uses of Borolanite include Countertops, Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Amphibolite include Countertops, Decorative aggregates, Entryways, Floor tiles, Flooring, Homes, Hotels and Kitchens. Due to some exceptional properties of Borolanite and Amphibolite, they have various applications in construction industry. The uses of Borolanite in construction industry include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate, Landscaping, Making natural cement, Manufacture of magnesium and dolomite refractories, Production of glass and ceramics and that of Amphibolite include As dimension stone, Building houses or walls, Cobblestones, Construction aggregate, For road aggregate, Landscaping, Production of glass and ceramics, Roadstone.

More about Borolanite and Amphibolite

Here you can know more about Borolanite and Amphibolite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Borolanite and Amphibolite consists of mineral content and compound content. The mineral content of Borolanite includes Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite and mineral content of Amphibolite includes Amphibole, Andalusite, Biotite, Calcite, Epidote, Garnet, Hornblade, Kyanite, Magnetite, Olivine, Plagioclase, Pyroxene, Staurolite, Wollastonite. You can also check out the list of all Igneous Rocks. When we have to compare Borolanite vs Amphibolite, the texture, color and appearance plays an important role in determining the type of rock. Borolanite is available in brown, buff, cream, green, grey, pink, white colors whereas, Amphibolite is available in black, brown, green, grey colors. Appearance of Borolanite is Banded and Foilated and that of Amphibolite is Foliated. Properties of rock is another aspect for Borolanite vs Amphibolite. The hardness of Borolanite is 5.5-6 and that of Amphibolite is 6-7. The types of Borolanite are - whereas types of Amphibolite are Hornblendite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Borolanite is white while that of Amphibolite is white to grey. The specific heat capacity of Borolanite is 0.84 kJ/Kg K and that of Amphibolite is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Borolanite is heat resistant, impact resistant, wear resistant whereas Amphibolite is heat resistant, pressure resistant, wear resistant.

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