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Gabbro
Gabbro

Phonolite
Phonolite



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Gabbro vs Phonolite

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Definition

Definition

Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic

History

Origin

Germany
-

Discoverer

Christian Leopold von Buch
Unknown

Etymology

From Latin glaber bare, smooth, bald
From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock

Family

Group

Plutonic
-

Other Categories

Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Texture

Texture

Phaneritic
Granular

Color

Dark Grey to Black
Brown, Buff, Cream, Green, Grey, Pink, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Veined and Shiny
Banded and Foilated

Uses

Architecture

Interior Uses

Countertops, Decorative Aggregates, Homes, Interior Decoration
Countertops, Decorative Aggregates, Flooring, Homes

Exterior Uses

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

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, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories, Production of Glass and Ceramics

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments, Sculpture
Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones
Cemetery Markers, Creating Artwork

Types

Types

Anorthosite Gabbro and Norite Gabbro
Kenyte

Features

Smooth to touch
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

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.
Phonolite are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones.

Composition

Mineral Content

Augite, Olivine, Plagioclase, Pyroxene
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite

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

Types of Metamorphism

Impact Metamorphism
Contact Metamorphism

Weathering

Types of Weathering

Chemical Weathering
Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Coastal Erosion
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

75.5-6
1 7
👆🏻

Grain Size

Coarse Grained
Fine Grained

Fracture

Conchoidal
Conchoidal to Uneven

Streak

Black
White

Porosity

Highly Porous
Less Porous

Luster

-
Greasy to Dull

Compressive Strength

225.00 N/mm2150.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

1.6
-

Specific Gravity

2.86-2.872.6
0 8.4
👆🏻

Transparency

Opaque
Translucent to Opaque

Density

2.7-3.3 g/cm32.6 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.71 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

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

Africa

South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

Europe

Germany, Greece, Italy, Scotland, Turkey
Andorra, Finland, France, Germany, Great Britain, Italy, Norway, Portugal, Spain, Sweden

Others

Greenland
Greenland

Deposits in Western Continents

North America

Canada, USA
Canada, USA

South America

Brazil, Colombia, Venezuela
Brazil, Chile, Colombia, Uruguay, Venezuela

Deposits in Oceania Continent

Australia

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

Gabbro vs Phonolite 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 Phonolite Reserves. Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt. Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. 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 Phonolite information and Gabbro vs Phonolite characteristics in the upcoming sections.

Gabbro vs Phonolite 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 Phonolite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gabbro and Properties of Phonolite. Learn more about Gabbro vs Phonolite in the next section. The interior uses of Gabbro include Countertops, Decorative aggregates, Homes and Interior decoration whereas the interior uses of Phonolite include Countertops, Decorative aggregates, Flooring and Homes. Due to some exceptional properties of Gabbro and Phonolite, 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 Phonolite 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.

More about Gabbro and Phonolite

Here you can know more about Gabbro and Phonolite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gabbro and Phonolite consists of mineral content and compound content. The mineral content of Gabbro includes Augite, Olivine, Plagioclase, Pyroxene and mineral content of Phonolite includes Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite. You can also check out the list of all Igneous Rocks. When we have to compare Gabbro vs Phonolite, 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, Phonolite is available in brown, buff, cream, green, grey, pink, white colors. Appearance of Gabbro is Veined and Shiny and that of Phonolite is Banded and Foilated. Properties of rock is another aspect for Gabbro vs Phonolite. The hardness of Gabbro is 7 and that of Phonolite is 5.5-6. The types of Gabbro are Anorthosite Gabbro and Norite Gabbro whereas types of Phonolite are Kenyte. 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 Phonolite is white. The specific heat capacity of Gabbro is 0.71 kJ/Kg K and that of Phonolite 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.Gabbro is impact resistant, pressure resistant, wear resistant whereas Phonolite is heat resistant, impact resistant, wear resistant.