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Boninite vs Hornblendite


Hornblendite vs Boninite


Definition

Definition
Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction  
Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock  

History
  
  

Origin
Japan  
-  

Discoverer
Unknown  
Unknown  

Etymology
From its occurrence in the Izu-Bonin arc south of Japan  
From German, Horn horn + blende  

Class
Igneous Rocks  
Igneous Rocks  

Sub-Class
Durable Rock, Hard Rock  
Durable Rock, Hard Rock  

Family
  
  

Group
Volcanic  
Plutonic  

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

Texture

Texture
Aphanitic to Porphyritic  
Banded, Foliated, Massive  

Color
Bluish - Grey, Brown, Green, Grey  
Black, Brown, Green, Grey  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
No  
Yes  

Scratch Resistant
Yes  
Yes  

Stain Resistant
Yes  
No  

Wind Resistant
Yes  
Yes  

Acid Resistant
No  
No  

Appearance
Dull and Soft  
Foliated  

Uses

Architecture
  
  

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

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

Other Architectural Uses
-  
Curbing  

Industry
  
  

Construction Industry
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories  
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
An Oil and Gas Reservoir, Cemetery Markers, Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)  
Cemetery Markers, Commemorative Tablets, Creating Artwork  

Types

Types
Basalt  
Hornblende Gabbro and Hornblende Peridotite  

Features
Available in Lots of Colors and Patterns, High Mg content, 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
Boninite is a type of Igneous rock which is formed through the cooling and solidification of lava or existing rocks.  
Hornblendite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.  

Composition
  
  

Mineral Content
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite  
Amphibole, Calcite, Hornblade, Magnetite, Plagioclase, Wollastonite  

Compound Content
Silicon 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
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism  
-  

Weathering
Yes  
Yes  

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

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
7  
6-7  

Grain Size
Fine Grained  
Medium to Coarse Grained  

Fracture
Uneven  
Irregular to Conchoidal  

Streak
White  
White to Grey  

Porosity
Less Porous  
Less Porous  

Luster
Vitreous  
Vitreous to Dull  

Compressive Strength
150.00 N/mm2  
22
250.00 N/mm2  
5

Cleavage
-  
-  

Toughness
1.1  
2.3  

Specific Gravity
2.5-2.8  
2.5  

Transparency
Opaque  
Opaque  

Density
-9999 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, Pressure Resistant, Wear Resistant  
Heat Resistant, Pressure Resistant, Wear Resistant  

Reserves

Deposits in Eastern Continents
  
  

Asia
-  
Russia, Turkey  

Africa
South Africa  
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda  

Europe
England, Finland, United Kingdom  
Germany, Greece, Iceland, Norway, Poland  

Others
Antarctica, Greenland  
-  

Deposits in Western Continents
  
  

North America
USA  
Canada, USA  

South America
Colombia, Uruguay  
Brazil  

Deposits in Oceania Continent
  
  

Australia
New Zealand, Western Australia  
South Australia, Western Australia  

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Boninite vs Hornblendite 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 Boninite and Hornblendite Reserves. Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction. Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock. 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 Boninite vs Hornblendite information and Boninite vs Hornblendite characteristics in the upcoming sections.

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

More about Boninite and Hornblendite

Here you can know more about Boninite and Hornblendite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Boninite and Hornblendite consists of mineral content and compound content. The mineral content of Boninite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite and mineral content of Hornblendite includes Amphibole, Calcite, Hornblade, Magnetite, Plagioclase, Wollastonite. You can also check out the list of all Igneous Rocks. When we have to compare Boninite vs Hornblendite, the texture, color and appearance plays an important role in determining the type of rock. Boninite is available in bluish - grey, brown, green, grey colors whereas, Hornblendite is available in black, brown, green, grey colors. Appearance of Boninite is Dull and Soft and that of Hornblendite is Foliated. Properties of rock is another aspect for Boninite vs Hornblendite. The hardness of Boninite is 7 and that of Hornblendite is 6-7. The types of Boninite are Basalt whereas types of Hornblendite are Hornblende Gabbro and Hornblende Peridotite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Boninite is white while that of Hornblendite is white to grey. The specific heat capacity of Boninite is 0.84 kJ/Kg K and that of Hornblendite 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.Boninite is heat resistant, impact resistant, pressure resistant, wear resistant whereas Hornblendite is heat resistant, pressure resistant, wear resistant.

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