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Pyroxenite vs Lamprophyre


Lamprophyre vs Pyroxenite


Definition

Definition
Pyroxenite is a dark, greenish, granular intrusive igneous rock consisting mainly of pyroxenes and olivine  
Lamprophyre is uncommon igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions  

History
  
  

Origin
-  
-  

Discoverer
Unknown  
Unknown  

Etymology
From pyro- fire + Greek xenos stranger as the mineral group was new to igneous rocks  
From Greek lampros bright and shining + porphureos purple  

Class
Igneous Rocks  
Igneous Rocks  

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

Family
  
  

Group
Plutonic  
Plutonic  

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

Texture

Texture
Clastic, Granular, Phaneritic, Porphyritic  
Porphyritic  

Color
Black to Grey, Bluish - Grey, Dark Greenish - Grey, Green, Light Greenish Grey  
Black, Bluish - Grey, Brown, Dark Greenish - Grey, Green, Grey  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
Yes  

Stain Resistant
Yes  
Yes  

Wind Resistant
Yes  
No  

Acid Resistant
Yes  
No  

Appearance
Layered, Banded, Veined and Shiny  
Dull, Banded and Foilated  

Uses

Architecture
  
  

Interior Uses
Countertops, Decorative Aggregates, Interior Decoration, Kitchens  
Decorative Aggregates, Interior Decoration  

Exterior Uses
As Building Stone, As Facing Stone  
As Building 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  
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories  

Medical Industry
-  
Taken as a Supplement for Calcium or Magnesium  

Antiquity Uses
Artifacts  
Artifacts, Monuments, Sculpture  

Other Uses
  
  

Commercial Uses
Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones  
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)  

Types

Types
Clinopyroxenites, Orthopyroxenites and Websterites  
Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite  

Features
Generally rough to touch, Host rock for Diamond, Is one of the oldest rock  
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Pyroxenites are ultramafic igneous rocks which are made up of minerals of the pyroxene group, such as augite and diopside, hypersthene, bronzite or enstatite.  
Lamprophyre formation takes place deep beneath the Earth’s surface at around 150 to 450 kilometres, and are erupted rapidly and violently.  

Composition
  
  

Mineral Content
Amphibole, Augite, Bronzite, Chromite, Diopside, Enstatite, Garnet, Hornblende, Hypersthene, Magnetite, Pyroxene  
Amphibole, Carbonate, Garnet, Micas, Olivine, Phlogopite, Pyroxene  

Compound Content
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide  
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide  

Transformation
  
  

Metamorphism
Yes  
Yes  

Types of Metamorphism
Burial Metamorphism, Impact Metamorphism, Regional Metamorphism  
Cataclastic Metamorphism, Impact Metamorphism  

Weathering
Yes  
Yes  

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

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
7  
5-6  

Grain Size
Coarse Grained  
Fine to Coarse Grained  

Fracture
Uneven  
Conchoidal  

Streak
White, Greenish White or Grey  
White  

Porosity
Less Porous  
Very Less Porous  

Luster
Dull to Vitreous to Submetallic  
Subvitreous to Dull  

Compressive Strength
150.00 N/mm2  
22
120.00 N/mm2  
26

Cleavage
-  
Conchoidal  

Toughness
-  
-  

Specific Gravity
3.2-3.5  
2.86-2.87  

Transparency
Opaque  
Translucent to Opaque  

Density
3.1-3.6 g/cm3  
2.95-2.96 g/cm3  

Thermal Properties
  
  

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

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia  
Russia  

Africa
South Africa  
Angola, Botswana, Cameroon, Ethiopia, South Africa  

Europe
Germany, Greece, Italy, Scotland, Turkey  
England, Hungary, Iceland, United Kingdom  

Others
Greenland  
Antarctica, Greenland  

Deposits in Western Continents
  
  

North America
Canada, USA  
Canada, Mexico, USA  

South America
Brazil, Colombia, Venezuela  
Argentina, Colombia, Ecuador  

Deposits in Oceania Continent
  
  

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

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Pyroxenite vs Lamprophyre 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 Pyroxenite and Lamprophyre Reserves. Pyroxenite is a dark, greenish, granular intrusive igneous rock consisting mainly of pyroxenes and olivine. Lamprophyre is uncommon igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions. 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 Pyroxenite vs Lamprophyre information and Pyroxenite vs Lamprophyre characteristics in the upcoming sections.

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

More about Pyroxenite and Lamprophyre

Here you can know more about Pyroxenite and Lamprophyre. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Pyroxenite and Lamprophyre consists of mineral content and compound content. The mineral content of Pyroxenite includes Amphibole, Augite, Bronzite, Chromite, Diopside, Enstatite, Garnet, Hornblende, Hypersthene, Magnetite, Pyroxene and mineral content of Lamprophyre includes Amphibole, Carbonate, Garnet, Micas, Olivine, Phlogopite, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Pyroxenite vs Lamprophyre, the texture, color and appearance plays an important role in determining the type of rock. Pyroxenite is available in black to grey, bluish - grey, dark greenish - grey, green, light greenish grey colors whereas, Lamprophyre is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. Appearance of Pyroxenite is Layered, Banded, Veined and Shiny and that of Lamprophyre is Dull, Banded and Foilated. Properties of rock is another aspect for Pyroxenite vs Lamprophyre. The hardness of Pyroxenite is 7 and that of Lamprophyre is 5-6. The types of Pyroxenite are Clinopyroxenites, Orthopyroxenites and Websterites whereas types of Lamprophyre are Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Pyroxenite and Lamprophyre is white, greenish white or grey. The specific heat capacity of Pyroxenite is 0.84 kJ/Kg K and that of Lamprophyre 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.Pyroxenite is impact resistant, pressure resistant, wear resistant whereas Lamprophyre is heat resistant, impact resistant.

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