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Gabbro Rock

Types of Hard Rocks

Novaculite
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Granite
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Basalt
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Gabbro Definition

Definition
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt

History of Gabbro

Origin
Germany
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Discoverer
Christian Leopold von Buch

Etymology
From Latin glaber bare, smooth, bald

Class
Igneous Rocks
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Sub-Class
Durable Rock, Hard Rock
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Gabbro Family

Group
Plutonic

Other Categories
Coarse Grained Rock, Opaque Rock

Gabbro Texture

Texture
Phaneritic
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Gabbro Color
Dark Grey to Black

Maintenance
Less
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Durability
Durable

Water Resistant
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Scratch Resistant
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Stain Resistant
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Wind Resistant
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Acid Resistant
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Appearance
Veined and Shiny
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Gabbro Uses

Architecture

Interior Uses
Countertops, Decorative Aggregates, Homes, Interior Decoration
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Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
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Other Architectural Uses
Curbing

Industry

Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate

Medical Industry
Not Yet Used

Antiquity Uses
Artifacts, Monuments, Sculpture
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Other Uses

Commercial Uses
Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones
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Gabbro Types

Types
Not Available

Features
Smooth to touch
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Archaeological Significance of Gabbro

Monuments
Used

Famous Monuments
Data Not Available

Sculpture
Used

Famous Sculptures
Data Not Available

Pictographs
Not Used

Petroglyphs
Not Used

Figurines
Used

Fossils
Absent

Formation of Gabbro

Formation
Gabbro, a mafic rock, forms due to cooling and crystallization of magma underneath Earth's surface.

Composition

Mineral Content
Augite, Olivine, Plagioclase, Pyroxene
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Compound Content
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide
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Transformation

Metamorphism

Types of Metamorphism
Impact Metamorphism

Weathering

Types of Weathering
Chemical Weathering

Erosion

Types of Erosion
Coastal Erosion

Properties of Gabbro

Physical Properties of Gabbro

Hardness
7

Grain Size
Coarse Grained
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Fracture
Conchoidal
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Streak
Black
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Porosity
Highly Porous
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Luster
Not Available
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Compressive Strength
225.00 N/mm2
8
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Cleavage
Not Available
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Toughness
1.6

Specific Gravity
2.86-2.87

Transparency
Opaque
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Density
2.7-3.3 g/cm3

Thermal Properties of Gabbro

Specific Heat Capacity
Not Available
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Resistance
Impact Resistant, Pressure Resistant, Wear Resistant
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Gabbro Reserves

Gabbro Deposits in Eastern Continents

Asia
India, Russia

Africa
South Africa

Europe
Germany, Greece, Italy, Scotland, Turkey

Others
Greenland

Gabbro Deposits in Western Continents

North America
Canada, USA

South America
Brazil, Colombia, Venezuela

Gabbro Deposits in Oceania Continent

Australia
New Zealand, Queensland

Information about Gabbro

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Gabbro Uses. We have provided you with all information about Gabbro rock here. Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt. Gabbro is available in dark grey to black colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Gabbro is black. Get to know more about Gabbro rock and characteristics of Gabbro rock in the next sections.

Characteristics of Gabbro

Many rocks have distinct characteristics. Some of the Properties of Gabbro are hardness, structure, streak, fracture etc. Gabbro is significant as it is composed of minerals and has variety of uses in our day to day life. The characteristics of Gabbro plays an important role in its identification. The hardness of Gabbro is 7 on Moh’s hardness scale. Rocks according to their hardness are divided into:Hard Rocks, Soft Rocks and Rocks with Medium Hardness. Fracture of Gabbro rock is conchoidal. Its specific heat capacity is Not Available. Gabbro is impact resistant, pressure resistant, wear resistant. Some of its uses are:

  • Interior Uses: Countertops, Decorative aggregates, Homes and Interior decoration.
  • Construction Industry: As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate.

Know more about Gabbro rock in the next section.

More About Gabbro

Gabbro is a type of Igneous Rocks. The color of rock is one of its important property. Gabbro rock is available in dark grey to black colors. It is Veined and Shiny in appearance. The Gabbro mineral content includes Augite, Olivine, Plagioclase, Pyroxene. Its compound content includes Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide. Let’s move on to the types of Gabbro. Gabbro rock does not have any types. Fossils are the remains of prehistoric plants or animals which are embedded in rock and preserved in petrified form. Fossils are found only in sedimentary rocks. As Gabbro belongs to Igneous Rocks, fossils are not found in it.