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Gabbro vs Lherzolite


Lherzolite vs Gabbro


Definition

Definition
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt  
Lherzolite is a type of ultramafic igneous rock which contains essential olivine and clinopyroxene and orthopyroxene in equal proportions  

History
  
  

Origin
Germany  
France  

Discoverer
Christian Leopold von Buch  
Unknown  

Etymology
From Latin glaber bare, smooth, bald  
From the Lherz Massif, an alpine peridotite complex, at Étang de Lers, near Massat in the French Pyrenees; Lherz is the archaic spelling of this location  

Class
Igneous Rocks  
Igneous Rocks  

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

Family
  
  

Group
Plutonic  
Plutonic  

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

Texture

Texture
Phaneritic  
Grenue  

Color
Dark Grey to Black  
Black, Dark Greenish - Grey, Green, Pink, Purple  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
No  

Scratch Resistant
Yes  
Yes  

Stain Resistant
Yes  
Yes  

Wind Resistant
Yes  
No  

Acid Resistant
Yes  
Yes  

Appearance
Veined and Shiny  
Glassy, Vesicular and Foilated  

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate  
Landscaping, Manufacture of Magnesium and Dolomite Refractories, Used for flooring, stair treads, borders and window sills.  

Medical Industry
-  
-  

Antiquity Uses
Artifacts, Monuments, Sculpture  
Artifacts, Sculpture  

Other Uses
  
  

Commercial Uses
Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones  
As armour rock for sea walls, Source of Magnesia (MgO), Used in aquariums  

Types

Types
Anorthosite Gabbro and Norite Gabbro  
Garnet Lherzolite  

Features
Smooth to touch  
Host Rock for Lead  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Gabbro, a mafic rock, forms due to cooling and crystallization of magma underneath Earth's surface.  
Lherzolite 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
Augite, Olivine, Plagioclase, Pyroxene  
Harzburgite, Olivine, Pyroxene, Pyrrhotite  

Compound Content
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide  
CaO, Cr, Chromium(III) Oxide, MgO  

Transformation
  
  

Metamorphism
Yes  
Yes  

Types of Metamorphism
Impact Metamorphism  
Cataclastic Metamorphism, Contact Metamorphism  

Weathering
Yes  
Yes  

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

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
7  
6.5  

Grain Size
Coarse Grained  
Fine Grained  

Fracture
Conchoidal  
Conchoidal  

Streak
Black  
White  

Porosity
Highly Porous  
Less Porous  

Luster
-  
Subvitreous to Dull  

Compressive Strength
225.00 N/mm2  
8
290.00 N/mm2  
3

Cleavage
-  
Perfect  

Toughness
1.6  
2.7  

Specific Gravity
2.86-2.87  
2.86  

Transparency
Opaque  
Opaque  

Density
2.7-3.3 g/cm3  
2.8-2.9 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.71 kJ/Kg K  
23
0.95 kJ/Kg K  
9

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia  
Russia, South Korea  

Africa
South Africa  
Western Africa  

Europe
Germany, Greece, Italy, Scotland, Turkey  
United Kingdom  

Others
Greenland  
-  

Deposits in Western Continents
  
  

North America
Canada, USA  
USA  

South America
Brazil, Colombia, Venezuela  
-  

Deposits in Oceania Continent
  
  

Australia
New Zealand, Queensland  
Central Australia, Western Australia  

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Gabbro vs Lherzolite 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 Gabbro and Lherzolite Reserves. Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt. Lherzolite is a type of ultramafic igneous rock which contains essential olivine and clinopyroxene and orthopyroxene in equal proportions. 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 Gabbro vs Lherzolite information and Gabbro vs Lherzolite characteristics in the upcoming sections.

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Gabbro vs Lherzolite 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. Gabbro vs Lherzolite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gabbro and Properties of Lherzolite. Learn more about Gabbro vs Lherzolite in the next section. The interior uses of Gabbro include Countertops, Decorative aggregates, Homes and Interior decoration whereas the interior uses of Lherzolite include Decorative aggregates, Entryways, Homes and Interior decoration. Due to some exceptional properties of Gabbro and Lherzolite, they have various applications in construction industry. The uses of Gabbro in construction industry include As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate and that of Lherzolite include Landscaping, Manufacture of magnesium and dolomite refractories, Used for flooring, stair treads, borders and window sills..

More about Gabbro and Lherzolite

Here you can know more about Gabbro and Lherzolite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gabbro and Lherzolite consists of mineral content and compound content. The mineral content of Gabbro includes Augite, Olivine, Plagioclase, Pyroxene and mineral content of Lherzolite includes Harzburgite, Olivine, Pyroxene, Pyrrhotite. You can also check out the list of all Igneous Rocks. When we have to compare Gabbro vs Lherzolite, the texture, color and appearance plays an important role in determining the type of rock. Gabbro is available in dark grey to black colors whereas, Lherzolite is available in black, dark greenish - grey, green, pink, purple colors. Appearance of Gabbro is Veined and Shiny and that of Lherzolite is Glassy, Vesicular and Foilated. Properties of rock is another aspect for Gabbro vs Lherzolite. The hardness of Gabbro is 7 and that of Lherzolite is 6.5. The types of Gabbro are Anorthosite Gabbro and Norite Gabbro whereas types of Lherzolite are Garnet Lherzolite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Gabbro is black while that of Lherzolite is white. The specific heat capacity of Gabbro is 0.71 kJ/Kg K and that of Lherzolite is 0.95 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Gabbro is impact resistant, pressure resistant, wear resistant whereas Lherzolite is heat resistant, impact resistant, pressure resistant, wear resistant.

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