1 Definition
1.1 Definition
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
1.2 History
1.2.1 Origin
Germany
1.2.2 Discoverer
Christian Leopold von Buch
1.3 Etymology
From Latin glaber bare, smooth, bald
1.4 Class
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Plutonic
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Phaneritic
2.2 Color
Dark Grey to Black
2.3 Maintenance
Less
2.4 Durability
Durable
2.4.1 Water Resistant
✔
✘
81% - Igneous Rocks Rocks have it !
▶
2.4.2 Scratch Resistant
✔
✘
86% - Igneous Rocks Rocks have it !
▶
2.4.3 Stain Resistant
✔
✘
66% - Igneous Rocks Rocks have it !
▶
2.4.4 Wind Resistant
✔
✘
49% - Igneous Rocks Rocks have it !
▶
2.4.5 Acid Resistant
✔
✘
48% - Igneous Rocks Rocks have it !
▶
2.5 Appearance
Veined and Shiny
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Countertops, Decorative Aggregates, Homes, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
3.1.3 Other Architectural Uses
Curbing
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate
3.2.2 Medical Industry
Not Yet Used
3.3 Antiquity Uses
Artifacts, Monuments, Sculpture
3.4 Other Uses
3.4.1 Commercial Uses
Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones
4 Types
4.1 Types
Not Available
4.2 Features
Smooth to touch
4.3 Archaeological Significance
4.3.1 Monuments
Used
4.3.2 Famous Monuments
Data Not Available
4.3.3 Sculpture
Used
4.3.4 Famous Sculptures
Data Not Available
4.3.5 Pictographs
Not Used
4.3.6 Petroglyphs
Not Used
4.3.7 Figurines
Used
4.4 Fossils
Absent
5 Formation
5.1 Formation
Gabbro, a mafic rock, forms due to cooling and crystallization of magma underneath Earth's surface.
5.2 Composition
5.2.1 Mineral Content
Augite, Olivine, Plagioclase, Pyroxene
5.2.2 Compound Content
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide
5.3 Transformation
5.3.1 Metamorphism
✔
✘
97% - Igneous Rocks Rocks have it !
▶
5.3.2 Types of Metamorphism
Impact Metamorphism
5.3.3 Weathering
✔
✘
99% - Igneous Rocks Rocks have it !
▶
5.3.4 Types of Weathering
Chemical Weathering
5.3.5 Erosion
✔
✘
92% - Igneous Rocks Rocks have it !
▶
5.3.6 Types of Erosion
Coastal Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
6.1.2 Grain Size
Coarse Grained
6.1.3 Fracture
Conchoidal
6.1.4 Streak
Black
6.1.5 Porosity
Highly Porous
6.1.6 Luster
Not Available
6.1.7 Compressive Strength
225.00 N/mm2
Rank: 7 (Overall) ▶
0.15
450
6.1.8 Cleavage
Not Available
6.1.9 Toughness
1.6
6.1.10 Specific Gravity
6.1.11 Transparency
Opaque
6.1.12 Density
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Not Available
Rank: N/A (Overall) ▶
0.14
3.2
6.2.2 Resistance
Impact Resistant, Pressure Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
India, Russia
7.1.2 Africa
South Africa
7.1.3 Europe
Germany, Greece, Italy, Scotland, Turkey
7.1.4 Others
Greenland
7.2 Deposits in Western Continents
7.2.1 North America
Canada, USA
7.2.2 South America
Brazil, Colombia, Venezuela
7.3 Deposits in Oceania Continent
7.3.1 Australia
New Zealand, Queensland