Blue Granite and Gabbro

Blue Granite

Gabbro

Definition

Blue Granite is an igneous rock and a variety of Larvikite, notable for the presence of thumbnail-sized blue crystals of feldspar

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

History

Origin

Unknown

Germany

Discoverer

Unknown

Christian Leopold von Buch

Etymology

From the color of rock, Blue

From Latin glaber bare, smooth, bald

Class

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Hard Rock

Family

Group

Volcanic

Plutonic

Other Categories

Fine Grained Rock, Opaque Rock

Coarse Grained Rock, Opaque Rock

Texture

Phaneritic

Color

Black, Brown, Light to Dark Grey, White

Dark Grey to Black

Maintenance

Less

Durability

Durable

Water Resistant

Yes

Scratch Resistant

Yes

Stain Resistant

Yes

Wind Resistant

Yes

Acid Resistant

Yes

Appearance

Shiny

Veined and Shiny

Uses

Architecture

Interior Uses

Decorative Aggregates, Floor Tiles, Flooring, Interior Decoration

Countertops, Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

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

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

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate

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

Medical Industry

Not Yet Used

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling

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

Types

Not Available

Features

Available in lots of colors, Is one of the oldest rock

Smooth to touch

Archaeological Significance

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

Blue Granite is an igneous rock which is a variety of Larvikite and is known mainly for the presence of thumbnail-sized crystals of feldspar.

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

Composition

Mineral Content

Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon

Augite, Olivine, Plagioclase, Pyroxene

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide

Transformation

Metamorphism

Yes

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism

Impact Metamorphism

Weathering

Yes

Types of Weathering

Biological Weathering, Chemical Weathering

Chemical Weathering

Erosion

Yes

Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion

Coastal Erosion

Properties

Physical Properties

Hardness

6-7

Grain Size

Medium to Fine Coarse Grained

Coarse Grained

Fracture

Not Available

Conchoidal

Streak

White

Black

Porosity

Less Porous

Highly Porous

Luster

Subvitreous to Dull

Not Available

Compressive Strength

175.00 N/mm²

225.00 N/mm²

Cleavage

Not Available

Toughness

Not Available

1.6

Specific Gravity

2.8-3

2.86-2.87

Transparency

Opaque

Density

2.9-2.91 g/cm³

2.7-3.3 g/cm³

Thermal Properties

Specific Heat Capacity

0.79 kJ/Kg K

Not Available

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Impact Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

Not Yet Found

India, Russia

Africa

Not Yet Found

South Africa

Europe

Bulgaria, England, Germany, Norway, Romania, Switzerland

Germany, Greece, Italy, Scotland, Turkey

Others

Not Yet Found

Greenland

Deposits in Western Continents

North America

USA

Canada, USA

South America

Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru

Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia

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

New Zealand, Queensland

Summary >>

<< Reserves

All about Blue Granite and Gabbro Properties

Know all about Blue Granite and Gabbro properties here. All properties of rocks are important as they define the type of rock and its application. Blue Granite and Gabbro belong to Igneous Rocks.Texture of Blue Granite is Phaneritic whereas that of Gabbro is Phaneritic. Blue Granite appears Shiny and Gabbro appears Veined and Shiny. The luster of Blue Granite is subvitreous to dull while that of Gabbro is not available. Blue Granite is available in black, brown, light to dark grey, white colors whereas Gabbro is available in dark grey to black colors. The commercial uses of Blue Granite are cemetery markers, commemorative tablets, creating artwork, curling and that of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.