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Diabase vs Amphibolite


Amphibolite vs Diabase


Definition

Definition
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar   
Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase   

History
  
  

Origin
Germany   
Unknown   

Discoverer
Christian Leopold von Buch   
Alexandre Brongniart   

Etymology
From Greek di + base   
From Amphibole + -ite   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture

Texture
Aphanitic, Granular   
Banded, Foliated, Massive   

Color
Dark Grey to Black   
Black, Brown, 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   
Yes   

Appearance
Vesicular   
Foliated   

Uses

Architecture
  
  

Interior Uses
Countertops, Decorative Aggregates, Homes, Interior Decoration, Kitchens   
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, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate   
As Dimension Stone, Building houses or walls, Cobblestones, Construction Aggregate, for Road Aggregate, Landscaping, Production of Glass and Ceramics, Roadstone   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines   
Artifacts, Sculpture, Small Figurines   

Other Uses
  
  

Commercial Uses
An Oil and Gas Reservoir, Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones   
Cemetery Markers, Commemorative Tablets, Creating Artwork   

Types

Types
Not Available   
Hornblendite   

Features
Smooth to touch   
Clasts are smooth to touch, Matrix variable, Surfaces are often shiny   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Stonehenge in English county of Wiltshire   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Not Used   
Not Used   

Petroglyphs
Not Used   
Not Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Diabase forms when molten igneous rock is squeezed up into a vertical crack in other rocks, the crack is usually forced apart and the molten rock cools in the space to form a tabular igneous intrusion cutting across the surrounding rocks and is known as a dike.   
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
Augite, Chlorite, Olivine, Plagioclase, Pyroxene, Pyrrhotite, Serpentine   
Amphibole, Andalusite, Biotite, Calcite, Epidote, Garnet, Hornblade, Kyanite, Magnetite, Olivine, Plagioclase, Pyroxene, Staurolite, Wollastonite   

Compound Content
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide   
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   
Not Applicable   

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
7   
6-7   

Grain Size
Fine to Medium Grained   
Medium to Coarse Grained   

Fracture
Conchoidal   
Irregular to Conchoidal   

Streak
Black   
White to Grey   

Porosity
Highly Porous   
Less Porous   

Luster
Not Available   
Vitreous to Dull   

Compressive Strength
225.00 N/mm2   
7
Not Available   

Cleavage
Not Available   
Irregular   

Toughness
1.6   
2.3   

Specific Gravity
2.86-2.87   
2.5   

Transparency
Opaque   
Opaque   

Density
2.7-3.3 g/cm3   
2.85-3.07 g/cm3   

Thermal Properties
  
  

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India   
Russia, Turkey   

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

Europe
Germany, Greece, Italy, Scotland, Turkey   
Germany, Greece, Iceland, Norway, Poland   

Others
Antarctica, Greenland   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Argentina, Brazil, Colombia, Venezuela   
Brazil   

Deposits in Oceania Continent
  
  

Australia
Central Australia, New Zealand, Queensland, Western Australia   
South Australia, Western Australia   

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Diabase 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 Diabase and Amphibolite Reserves. Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar. 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 Diabase vs Amphibolite information and Diabase vs Amphibolite characteristics in the upcoming sections.

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

Here you can know more about Diabase and Amphibolite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Diabase and Amphibolite consists of mineral content and compound content. The mineral content of Diabase includes Augite, Chlorite, Olivine, Plagioclase, Pyroxene, Pyrrhotite, Serpentine 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 Diabase vs Amphibolite, the texture, color and appearance plays an important role in determining the type of rock. Diabase is available in dark grey to black colors whereas, Amphibolite is available in black, brown, green, grey colors. Appearance of Diabase is Vesicular and that of Amphibolite is Foliated. Properties of rock is another aspect for Diabase vs Amphibolite. The hardness of Diabase is 7 and that of Amphibolite is 6-7. The types of Diabase are Not Available 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 Diabase is black while that of Amphibolite is white to grey. The specific heat capacity of Diabase is Not Available and that of Amphibolite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Diabase is heat resistant, impact resistant, pressure resistant, wear resistant whereas Amphibolite is heat resistant, pressure resistant, wear resistant.

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